Arena run #956
meanrev-v1 • openai • openai/gpt-5.2-pro • US • success
Run status
as_of: 2026-03-30T17:49:05.858690+00:00
started_at: 2026-03-30T20:17:37.684653+00:00
finished_at: 2026-03-30T20:20:42.419319+00:00
duration_ms: 184733
Inputs
{
"as_of": "2026-03-30T17:49:05.858690+00:00",
"dry_run": false,
"selected": [
{
"symbol": "PAGE_CFD.UK",
"selection_reason": "1D -36.8%; far below MA50 (-31.7%) and MA200 (-40.6%) -> strong oversold mean-reversion setup (high vol)",
"mean_reversion_score": 86
},
{
"symbol": "FUTR_CFD.UK",
"selection_reason": "1D -21.2%; deeply below MA50 (-23.8%) and MA200 (-37.8%) -> oversold/discounted vs trend",
"mean_reversion_score": 79
},
{
"symbol": "IWG_CFD.UK",
"selection_reason": "1D -26.8%; below MA50 (-22.1%) and MA200 (-17.6%) -> sharp drawdown with room to mean-revert",
"mean_reversion_score": 76
},
{
"symbol": "HIK_CFD.UK",
"selection_reason": "1D -19.6%; well below MA50 (-15.7%) and MA200 (-28.9%) -> oversold vs both medium/long trend",
"mean_reversion_score": 74
},
{
"symbol": "BYIT_CFD.UK",
"selection_reason": "1D -12.7%; meaningfully below MA50 (-14.3%) and MA200 (-28.0%) with comparatively lower 20D vol -> cleaner mean-reversion",
"mean_reversion_score": 71
}
],
"simulate_only": false,
"strict_replay": false,
"universe_symbols": [
"CRST_CFD.UK",
"MSLH_CFD.UK",
"BOY_CFD.UK",
"LMP_CFD.UK",
"SPX_CFD.UK",
"PAGE_CFD.UK",
"FUTR_CFD.UK",
"ESNT_CFD.UK",
"JDW_CFD.UK",
"MCG_CFD.UK",
"SHC_CFD.UK",
"PAG_CFD.UK",
"INVP_CFD.UK",
"SAFE_CFD.UK",
"RHIM_CFD.UK",
"UTG_CFD.UK",
"CBG_CFD.UK",
"RSW_CFD.UK",
"DLN_CFD.UK",
"EMG_CFD.UK",
"PZC_CFD.UK",
"DOM_CFD.UK",
"OCDO_CFD.UK",
"HWDN_CFD.UK",
"LRE_CFD.UK",
"ABDN_CFD.UK",
"LIO_CFD.UK",
"BBY_CFD.UK",
"MAB_CFD.UK",
"KGF_CFD.UK",
"PSN_CFD.UK",
"RHK_CFD.DE",
"IPO_CFD.UK",
"CMCX_CFD.UK",
"GRG_CFD.UK",
"IWG_CFD.UK",
"SRP_CFD.UK",
"BYIT_CFD.UK",
"HIK_CFD.UK",
"UKW_CFD.UK",
"TBCG_CFD.UK",
"VIAV_CFD.US",
"ATG_CFD.UK",
"ROR_CFD.UK",
"HMSO_CFD.UK",
"GLO_CFD.FR"
]
}Outputs
{
"actions": {
"buy": [],
"hold": [
{
"reason": "Hold to avoid overtrading; no new candidate-based edge provided that justifies rotating out after leverage is brought back into compliance.",
"symbol": "ADBE_CFD.US"
},
{
"reason": "Hold; position is small and near cost, and no stronger replacement can be added without breaching leverage constraints.",
"symbol": "COTY_CFD.US"
},
{
"reason": "Hold; leverage reduction achieved via other trims and no new signal indicates this should be rotated out today.",
"symbol": "FICO_CFD.US"
},
{
"reason": "Hold; it is explicitly flagged as an oversold mean-reversion candidate (score 76), so keep exposure.",
"symbol": "IWG_CFD.UK"
},
{
"reason": "Hold to avoid excess churn; leverage compliance can be achieved without selling this additional position.",
"symbol": "PSN_CFD.UK"
},
{
"reason": "Hold; no candidate list or risk trigger suggests replacing it today, and additional sells are not required after leverage compliance.",
"symbol": "ULTA_CFD.US"
},
{
"reason": "Hold; newly opened and no incremental information suggests an immediate change.",
"symbol": "UTG_CFD.UK"
},
{
"reason": "Hold; after the two risk-driven trims, further selling is not required to meet leverage limits and would increase churn.",
"symbol": "ZS_CFD.US"
}
],
"sell": [
{
"reason": "Risk control: current portfolio gross exposure vs reduced equity implies gross leverage likely > 3.0x. Selling this position materially reduces gross exposure to bring leverage back within the 3.0x constraint while avoiding broader churn.",
"symbol": "CSGP_CFD.US"
},
{
"reason": "Risk control: together with CSGP, this sale reduces gross exposure enough to restore compliance with the 3.0x max gross leverage limit. Prioritize trimming positions that are not among today’s top mean-reversion candidates to minimize opportunity cost.",
"symbol": "EZJ_CFD.UK"
}
]
},
"portfolio_rationale": "Primary objective this run is to restore risk compliance: the portfolio appears to be above the 3.0x max gross leverage limit due to drawdowns reducing equity while gross exposure remains high. To address this without unnecessary churn, sell two positions (max allowed) that together reduce gross exposure enough to bring leverage back within limits. Do not add new positions because a $3,000 fixed-size buy would likely push gross leverage back above 3.0x given current equity, and the strategy’s overtrading constraint favors HOLD when the incremental improvement is unclear."
}Prompts & responses
#1866 • openrouter • openai/gpt-5.2-pro • 2026-03-30T20:17:37.730428+00:00
System prompt
You are an Arena strategy executor. You must follow the strategy rules strictly and output ONLY valid JSON. You are NOT allowed to invent prices, fundamentals, earnings dates, or sentiment. If a field is null/empty, treat it as unknown. You are a constrained selector (no narrative).
User prompt
{"task": "stage1_universe_scan", "region": "US", "strategy": {"key": "meanrev-v1", "name": "Two-Stage LLM Mean-Reversion (Arena v1)", "rules": {"max_positions": 10, "max_buys_per_run": 2, "avoid_overtrading": true, "max_sells_per_run": 2, "max_gross_leverage": 3.0, "fixed_position_size": 3000.0, "universe_symbols_eu": [], "universe_symbols_us": []}}, "selection_rules": {"horizon": "2-10 trading days", "target": "short-term mean reversion in liquid equities", "constraints": ["Select exactly 5 candidates", "Avoid earnings within 5 trading days (if known)", "Avoid highly binary/event-driven moves (if known)", "Avoid sector concentration: max 1 per sector unless clearly justified (sector may be unknown)"]}, "universe": [{"symbol": "CRST_CFD.UK", "name": "CREST NICHOLSON HOLDINGS", "sector": "", "last_price": 167.8, "change_1d_pct": 24.85119047619049, "distance_from_ma200_pct": 1.2720261375977815, "distance_from_ma50_pct": 17.82963155418549, "volatility_20d_pct": 158.46878099582966, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "MSLH_CFD.UK", "name": "MARSHALLS PLC", "sector": "", "last_price": 179.0, "change_1d_pct": 2.052451539338662, "distance_from_ma200_pct": -18.41965657865713, "distance_from_ma50_pct": 4.539832012082234, "volatility_20d_pct": 102.90810964969117, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "BOY_CFD.UK", "name": "BODYCOTE PLC", "sector": "", "last_price": 775.4, "change_1d_pct": 24.163330664531625, "distance_from_ma200_pct": 28.652243313347768, "distance_from_ma50_pct": 18.63612217470385, "volatility_20d_pct": 103.46484337510964, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "LMP_CFD.UK", "name": "LONDONMETRIC PROPERTY PLC", "sector": "", "last_price": 214.0, "change_1d_pct": 11.57455683003128, "distance_from_ma200_pct": 12.507879494597773, "distance_from_ma50_pct": 10.77384329331672, "volatility_20d_pct": 54.89150861607771, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "SPX_CFD.UK", "name": "SPIRAX-SARCO ENGINEERING PLC", "sector": "", "last_price": 7608.71, "change_1d_pct": 10.91413994169097, "distance_from_ma200_pct": 15.905097055024719, "distance_from_ma50_pct": 8.459177525660632, "volatility_20d_pct": 84.71063298478786, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "PAGE_CFD.UK", "name": "PAGEGROUP PLC", "sector": "", "last_price": 152.7, "change_1d_pct": -36.79635761589404, "distance_from_ma200_pct": -40.61156091058385, "distance_from_ma50_pct": -31.72721647345812, "volatility_20d_pct": 193.22753953431183, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "FUTR_CFD.UK", "name": "FUTURE PLC", "sector": "", "last_price": 419.8, "change_1d_pct": -21.238273921200744, "distance_from_ma200_pct": -37.8057811437588, "distance_from_ma50_pct": -23.777028015845957, "volatility_20d_pct": 154.26286041137905, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "ESNT_CFD.UK", "name": "ESSENTRA PLC", "sector": "", "last_price": 108.4, "change_1d_pct": 4.230769230769238, "distance_from_ma200_pct": 7.40452119530135, "distance_from_ma50_pct": 9.771484932749797, "volatility_20d_pct": 98.9832071461764, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "JDW_CFD.UK", "name": "WETHERSPOON (J.D.) PLC", "sector": "", "last_price": 748.5, "change_1d_pct": 9.750733137829904, "distance_from_ma200_pct": 6.242631058659898, "distance_from_ma50_pct": 5.290077328071208, "volatility_20d_pct": 98.2373545531062, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "MCG_CFD.UK", "name": "MOBICO GROUP PLC", "sector": "", "last_price": 19.51, "change_1d_pct": -21.646586345381515, "distance_from_ma200_pct": -29.294942649537013, "distance_from_ma50_pct": -17.188746837807088, "volatility_20d_pct": 260.52106739031456, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "SHC_CFD.UK", "name": "SHAFTESBURY CAPITAL PLC", "sector": "", "last_price": 140.4, "change_1d_pct": -2.9045643153526868, "distance_from_ma200_pct": 0.26963533347688085, "distance_from_ma50_pct": -0.771073778544229, "volatility_20d_pct": 63.75522821252001, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "PAG_CFD.UK", "name": "PARAGON BANKING GROUP PLC", "sector": "", "last_price": 852.5, "change_1d_pct": -3.399433427762044, "distance_from_ma200_pct": -1.3404962254783492, "distance_from_ma50_pct": 0.699141440891915, "volatility_20d_pct": 71.52779356208148, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "INVP_CFD.UK", "name": "INVESTEC PLC", "sector": "", "last_price": 623.5, "change_1d_pct": 8.529155787641418, "distance_from_ma200_pct": 17.34715626999408, "distance_from_ma50_pct": 9.569618971869698, "volatility_20d_pct": 76.97154585310399, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "SAFE_CFD.UK", "name": "SAFESTORE HOLDINGS PLC", "sector": "", "last_price": 708.0, "change_1d_pct": 0.14144271570013522, "distance_from_ma200_pct": 7.079918522466522, "distance_from_ma50_pct": -2.535991476029087, "volatility_20d_pct": 107.99712610776675, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "RHIM_CFD.UK", "name": "RHI MAGNESITA NV", "sector": "", "last_price": 2550.0, "change_1d_pct": -6.764168190127973, "distance_from_ma200_pct": -2.35709026809392, "distance_from_ma50_pct": 0.9429816244979738, "volatility_20d_pct": 151.25590362229855, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "UTG_CFD.UK", "name": "UNITE GROUP PLC/THE", "sector": "", "last_price": 505.0, "change_1d_pct": -8.265213442325159, "distance_from_ma200_pct": -32.12786599325862, "distance_from_ma50_pct": -13.548388422126267, "volatility_20d_pct": 98.87339279796446, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "CBG_CFD.UK", "name": "CLOSE BROTHERS GROUP PLC", "sector": "", "last_price": 372.74, "change_1d_pct": -26.625984251968504, "distance_from_ma200_pct": -13.365429078084645, "distance_from_ma50_pct": -22.129222788055436, "volatility_20d_pct": 169.0552301316783, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "RSW_CFD.UK", "name": "RENISHAW PLC", "sector": "", "last_price": 4100.0, "change_1d_pct": 18.155619596541793, "distance_from_ma200_pct": 36.779911314574385, "distance_from_ma50_pct": 14.333028240759926, "volatility_20d_pct": 92.61568245477878, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "DLN_CFD.UK", "name": "DERWENT LONDON PLC", "sector": "", "last_price": 1953.0, "change_1d_pct": 10.401356698699837, "distance_from_ma200_pct": 5.069478604951705, "distance_from_ma50_pct": 12.150447212111025, "volatility_20d_pct": 115.39088732649292, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "EMG_CFD.UK", "name": "MAN GROUP PLC/JERSEY", "sector": "", "last_price": 269.6, "change_1d_pct": 2.353834472285521, "distance_from_ma200_pct": 42.186331073171914, "distance_from_ma50_pct": 15.516783354614262, "volatility_20d_pct": 86.92367167139048, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "PZC_CFD.UK", "name": "PZ CUSSONS PLC", "sector": "", "last_price": 77.7, "change_1d_pct": -13.858093126385807, "distance_from_ma200_pct": 2.9808107121248817, "distance_from_ma50_pct": 2.5905093876257723, "volatility_20d_pct": 92.73478468401771, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "DOM_CFD.UK", "name": "DOMINO'S PIZZA GROUP PLC", "sector": "", "last_price": 183.13, "change_1d_pct": -0.3102885138813294, "distance_from_ma200_pct": -15.070952368916624, "distance_from_ma50_pct": 1.0777282376278619, "volatility_20d_pct": 87.92203351330001, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "OCDO_CFD.UK", "name": "OCADO GROUP PLC", "sector": "", "last_price": 217.0, "change_1d_pct": -21.148255813953487, "distance_from_ma200_pct": -15.81606625159202, "distance_from_ma50_pct": -5.48311196636071, "volatility_20d_pct": 241.3119670937803, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "HWDN_CFD.UK", "name": "HOWDEN JOINERY GROUP PLC", "sector": "", "last_price": 843.0, "change_1d_pct": -2.686229466563539, "distance_from_ma200_pct": 2.9144756901175572, "distance_from_ma50_pct": 0.6796292983215046, "volatility_20d_pct": 44.16384759940265, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "LRE_CFD.UK", "name": "LANCASHIRE HOLDINGS LTD", "sector": "", "last_price": 611.0, "change_1d_pct": -7.424242424242422, "distance_from_ma200_pct": 0.4068944205071867, "distance_from_ma50_pct": -6.396619125545266, "volatility_20d_pct": 86.32350801127552, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "ABDN_CFD.UK", "name": "Aberdeen Group Plc", "sector": "", "last_price": 202.6, "change_1d_pct": -7.741347905282336, "distance_from_ma200_pct": 6.460345885775287, "distance_from_ma50_pct": -2.3285905331046353, "volatility_20d_pct": 82.55854119558269, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "LIO_CFD.UK", "name": "LIONTRUST ASSET MANAGEMENT", "sector": "", "last_price": 270.0, "change_1d_pct": 7.784431137724557, "distance_from_ma200_pct": -17.148878096081223, "distance_from_ma50_pct": 4.440258238208905, "volatility_20d_pct": 138.52252179896075, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "BBY_CFD.UK", "name": "BALFOUR BEATTY PLC", "sector": "", "last_price": 759.18, "change_1d_pct": 5.222453222453205, "distance_from_ma200_pct": 33.313724414201815, "distance_from_ma50_pct": 8.832962232591, "volatility_20d_pct": 54.25956465831767, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "MAB_CFD.UK", "name": "MITCHELLS & BUTLERS PLC", "sector": "", "last_price": 292.81, "change_1d_pct": 14.37890625, "distance_from_ma200_pct": 11.595067041457764, "distance_from_ma50_pct": 10.935906392690597, "volatility_20d_pct": 118.87119977937589, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "KGF_CFD.UK", "name": "KINGFISHER PLC", "sector": "", "last_price": 298.6, "change_1d_pct": -16.592178770949715, "distance_from_ma200_pct": 1.7661505198389493, "distance_from_ma50_pct": -8.10124743477527, "volatility_20d_pct": 106.76236046208503, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "PSN_CFD.UK", "name": "PERSIMMON PLC", "sector": "", "last_price": 1125.0, "change_1d_pct": -18.181818181818176, "distance_from_ma200_pct": -10.441765693528215, "distance_from_ma50_pct": -17.60321899687448, "volatility_20d_pct": 125.39714948121237, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "RHK_CFD.DE", "name": "Rhoen-Klinikum AG", "sector": "", "last_price": 12.6, "change_1d_pct": -0.7874015748031482, "distance_from_ma200_pct": 0.9608103787712929, "distance_from_ma50_pct": -2.533509907546072, "volatility_20d_pct": 111.99937384863638, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "IPO_CFD.UK", "name": "IP GROUP PLC", "sector": "", "last_price": 57.6, "change_1d_pct": -1.873935264054516, "distance_from_ma200_pct": 10.233643652522883, "distance_from_ma50_pct": -2.027486732888828, "volatility_20d_pct": 89.82123635439407, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "CMCX_CFD.UK", "name": "CMC MARKETS PLC", "sector": "", "last_price": 336.5, "change_1d_pct": 6.487341772151889, "distance_from_ma200_pct": 33.727269096422944, "distance_from_ma50_pct": 13.399699398122245, "volatility_20d_pct": 207.2492443353413, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "GRG_CFD.UK", "name": "GREGGS PLC", "sector": "", "last_price": 1487.0, "change_1d_pct": -2.746893394375405, "distance_from_ma200_pct": -11.440882158395937, "distance_from_ma50_pct": -8.838105794389772, "volatility_20d_pct": 3782.806831632296, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "IWG_CFD.UK", "name": "IWG PLC", "sector": "", "last_price": 177.0, "change_1d_pct": -26.786896095301127, "distance_from_ma200_pct": -17.645939421376646, "distance_from_ma50_pct": -22.14236071400294, "volatility_20d_pct": 154.02502086657427, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "SRP_CFD.UK", "name": "SERCO GROUP PLC", "sector": "", "last_price": 300.0, "change_1d_pct": -0.3984063745019917, "distance_from_ma200_pct": 34.11120814305375, "distance_from_ma50_pct": 6.89280433272168, "volatility_20d_pct": 77.89780733903845, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "BYIT_CFD.UK", "name": "BYTES TECHNOLOGY GROUP PLC", "sector": "", "last_price": 300.4, "change_1d_pct": -12.674418604651173, "distance_from_ma200_pct": -28.03446775272175, "distance_from_ma50_pct": -14.34777426817815, "volatility_20d_pct": 87.82535981934274, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "HIK_CFD.UK", "name": "HIKMA PHARMACEUTICALS PLC", "sector": "", "last_price": 1267.0, "change_1d_pct": -19.55555555555556, "distance_from_ma200_pct": -28.881851790845626, "distance_from_ma50_pct": -15.711709832205766, "volatility_20d_pct": 155.5956600941246, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "UKW_CFD.UK", "name": "GREENCOAT UK WIND PLC", "sector": "", "last_price": 98.75, "change_1d_pct": -0.05060728744938903, "distance_from_ma200_pct": -11.408996180942744, "distance_from_ma50_pct": -4.589556348683388, "volatility_20d_pct": 64.15684506219812, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "TBCG_CFD.UK", "name": "TBC BANK GROUP PLC", "sector": "", "last_price": 4125.0, "change_1d_pct": -3.169014084507038, "distance_from_ma200_pct": -6.5045509221490105, "distance_from_ma50_pct": -0.1025081463074895, "volatility_20d_pct": 110.62209591564869, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "VIAV_CFD.US", "name": "VIAVI SOLUTIONS INC", "sector": "", "last_price": 31.19, "change_1d_pct": -16.915290356952582, "distance_from_ma200_pct": 81.79433750564648, "distance_from_ma50_pct": 11.58653949354953, "volatility_20d_pct": 154.83519556948903, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "ATG_CFD.UK", "name": "AUCTION TECHNOLOGY GROUP", "sector": "", "last_price": 313.0, "change_1d_pct": 0.3205128205128194, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 0.8343803356850588, "volatility_20d_pct": 2871.9337920464413, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "ROR_CFD.UK", "name": "ROTORK PLC", "sector": "", "last_price": 315.64, "change_1d_pct": -7.815420560747666, "distance_from_ma200_pct": -3.440121571713639, "distance_from_ma50_pct": -7.465605958975752, "volatility_20d_pct": 114.53961834922319, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "HMSO_CFD.UK", "name": "HAMMERSON PLC", "sector": "", "last_price": 355.4, "change_1d_pct": 14.129736673089276, "distance_from_ma200_pct": 22.516025502913806, "distance_from_ma50_pct": 10.006914897239172, "volatility_20d_pct": 87.54938293511039, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "GLO_CFD.FR", "name": "GL Events", "sector": "", "last_price": 29.25, "change_1d_pct": -5.797101449275366, "distance_from_ma200_pct": -2.880578639172615, "distance_from_ma50_pct": -9.170235163695416, "volatility_20d_pct": 91.53331872104411, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}], "output_schema": {"selected_stocks": [{"symbol": "string", "mean_reversion_score": "integer 0-100", "selection_reason": "short, concrete, indicator-based"}], "rejected_common_reasons": ["string"]}}Output JSON
{
"selected_stocks": [
{
"symbol": "PAGE_CFD.UK",
"selection_reason": "1D -36.8%; far below MA50 (-31.7%) and MA200 (-40.6%) -> strong oversold mean-reversion setup (high vol)",
"mean_reversion_score": 86
},
{
"symbol": "FUTR_CFD.UK",
"selection_reason": "1D -21.2%; deeply below MA50 (-23.8%) and MA200 (-37.8%) -> oversold/discounted vs trend",
"mean_reversion_score": 79
},
{
"symbol": "IWG_CFD.UK",
"selection_reason": "1D -26.8%; below MA50 (-22.1%) and MA200 (-17.6%) -> sharp drawdown with room to mean-revert",
"mean_reversion_score": 76
},
{
"symbol": "HIK_CFD.UK",
"selection_reason": "1D -19.6%; well below MA50 (-15.7%) and MA200 (-28.9%) -> oversold vs both medium/long trend",
"mean_reversion_score": 74
},
{
"symbol": "BYIT_CFD.UK",
"selection_reason": "1D -12.7%; meaningfully below MA50 (-14.3%) and MA200 (-28.0%) with comparatively lower 20D vol -> cleaner mean-reversion",
"mean_reversion_score": 71
}
],
"rejected_common_reasons": [
"Not sufficiently oversold vs MA50/MA200 for a short-term bounce setup",
"Overbought/extended above MA50/MA200 (pullback risk not mean-reversion long)",
"Volatility extremely high (potentially unstable mean-reversion signal)",
"Missing key technical input (e.g., MA200 distance null)"
]
}#1867 • openrouter • openai/gpt-5.2-pro • 2026-03-30T20:19:08.263148+00:00
System prompt
You are an Arena portfolio manager. You must follow the strategy rules strictly and output ONLY valid JSON. You are NOT allowed to invent prices/fundamentals/news/earnings. If a field is null/empty, treat it as unknown. Avoid overtrading: if changes are marginal, prefer HOLD. Do not churn.
User prompt
{"task": "stage2_portfolio_management", "region": "US", "strategy": {"key": "meanrev-v1", "name": "Two-Stage LLM Mean-Reversion (Arena v1)", "rules": {"max_positions": 10, "max_buys_per_run": 2, "avoid_overtrading": true, "max_sells_per_run": 2, "max_gross_leverage": 3.0, "fixed_position_size": 3000.0, "universe_symbols_eu": [], "universe_symbols_us": []}}, "portfolio_constraints": {"initial_equity": 10000.0, "max_positions": 10, "fixed_position_size": 3000.0, "max_gross_leverage": 3.0, "overtrading_rules": ["Max 2 SELL actions per run unless risk event forces more", "Max 2 BUY actions per run", "If no clear improvement vs current holdings, output HOLD for everything"]}, "current_portfolio": [{"symbol": "ADBE_CFD.US", "qty": 12.025494047380446, "avg_price": 249.47, "last_price": 242.48, "unrealized_pnl": -84.05820339118942, "opened_at": "2026-03-14T18:06:47.909233+00:00"}, {"symbol": "AMH_CFD.US", "qty": 0.0, "avg_price": 29.674999999999997, "last_price": 28.435000000000002, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "ARCAD_CFD.NL", "qty": 0.0, "avg_price": 28.6, "last_price": 30.0, "unrealized_pnl": 146.8531468531467, "opened_at": "2026-02-23T10:32:09.961595+00:00"}, {"symbol": "BYIT_CFD.UK", "qty": 0.0, "avg_price": 292.6, "last_price": 292.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "CABO_CFD.US", "qty": 0.0, "avg_price": 94.325, "last_price": 108.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "CBG_CFD.UK", "qty": 0.0, "avg_price": 342.92, "last_price": 342.92, "unrealized_pnl": 0.0, "opened_at": "2026-03-20T10:26:40.341409+00:00"}, {"symbol": "COTY_CFD.US", "qty": 1496.2593516209477, "avg_price": 2.005, "last_price": 2.025, "unrealized_pnl": 29.92518703241898, "opened_at": "2026-03-29T18:14:52.152268+00:00"}, {"symbol": "CRWD_CFD.US", "qty": 0.0, "avg_price": 350.45000000000005, "last_price": 382.96500000000003, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "CSGP_CFD.US", "qty": 63.51222610352493, "avg_price": 47.235, "last_price": 40.709999999999994, "unrealized_pnl": -414.41727532550055, "opened_at": "2026-03-03T18:03:34.247734+00:00"}, {"symbol": "DSY_CFD.FR", "qty": 0.0, "avg_price": 17.881, "last_price": 17.45, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "ETSY_CFD.US", "qty": 0.0, "avg_price": 44.13, "last_price": 50.769999999999996, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "EZJ_CFD.UK", "qty": 6.857142857142857, "avg_price": 437.5, "last_price": 348.5, "unrealized_pnl": -610.2857142857142, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "FBIN_CFD.US", "qty": 0.0, "avg_price": 50.974999999999994, "last_price": 54.185, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "FICO_CFD.US", "qty": 2.6609662855571625, "avg_price": 1127.4099999999999, "last_price": 1035.99, "unrealized_pnl": -243.2655378256354, "opened_at": "2026-03-14T18:06:47.909233+00:00"}, {"symbol": "FLO_CFD.US", "qty": 0.0, "avg_price": 9.875, "last_price": 9.885000000000002, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "FUTR_CFD.UK", "qty": 0.0, "avg_price": 414.2, "last_price": 414.2, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "HIK_CFD.UK", "qty": 0.0, "avg_price": 1236.0, "last_price": 1236.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-28T10:05:22.022266+00:00"}, {"symbol": "ITRK_CFD.UK", "qty": 0.0, "avg_price": 3620.0, "last_price": 3620.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-28T10:05:22.022266+00:00"}, {"symbol": "IWG_CFD.UK", "qty": 16.216216216216218, "avg_price": 185.0, "last_price": 172.2, "unrealized_pnl": -207.56756756756778, "opened_at": "2026-03-17T10:04:29.123574+00:00"}, {"symbol": "MLCO_CFD.US", "qty": 0.0, "avg_price": 5.51, "last_price": 6.06, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 0.0, "avg_price": 204.3, "last_price": 204.3, "unrealized_pnl": 0.0, "opened_at": "2026-03-12T18:01:52.554929+00:00"}, {"symbol": "PAGE_CFD.UK", "qty": 0.0, "avg_price": 132.9, "last_price": 132.9, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "PAYC_CFD.US", "qty": 0.0, "avg_price": 121.22, "last_price": 134.24, "unrealized_pnl": 322.2240554363969, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "PSN_CFD.UK", "qty": 2.4691358024691357, "avg_price": 1215.0, "last_price": 1089.0, "unrealized_pnl": -311.1111111111111, "opened_at": "2026-03-12T18:01:52.554929+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 0.0, "avg_price": 424.3, "last_price": 424.3, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "TMV_CFD.DE", "qty": 0.0, "avg_price": 4.781, "last_price": 4.467, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "TRN_CFD.UK", "qty": 0.0, "avg_price": 184.5, "last_price": 204.2, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 0.0, "avg_price": 92.35, "last_price": 92.35, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "ULTA_CFD.US", "qty": 5.605381165919282, "avg_price": 535.2, "last_price": 510.11, "unrealized_pnl": -140.63901345291498, "opened_at": "2026-03-15T18:15:23.812047+00:00"}, {"symbol": "UTG_CFD.UK", "qty": 6.504770164787511, "avg_price": 461.2, "last_price": 461.2, "unrealized_pnl": 0.0, "opened_at": "2026-03-30T10:23:56.039732+00:00"}, {"symbol": "WPP_CFD.UK", "qty": 0.0, "avg_price": 232.09999999999997, "last_price": 232.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-28T10:51:05.818250+00:00"}, {"symbol": "ZS_CFD.US", "qty": 18.778167250876315, "avg_price": 159.76, "last_price": 139.02, "unrealized_pnl": -389.4591887831744, "opened_at": "2026-02-21T17:32:49.140800+00:00"}], "candidates": [{"symbol": "PAGE_CFD.UK", "mean_reversion_score": 86, "selection_reason": "1D -36.8%; far below MA50 (-31.7%) and MA200 (-40.6%) -> strong oversold mean-reversion setup (high vol)"}, {"symbol": "FUTR_CFD.UK", "mean_reversion_score": 79, "selection_reason": "1D -21.2%; deeply below MA50 (-23.8%) and MA200 (-37.8%) -> oversold/discounted vs trend"}, {"symbol": "IWG_CFD.UK", "mean_reversion_score": 76, "selection_reason": "1D -26.8%; below MA50 (-22.1%) and MA200 (-17.6%) -> sharp drawdown with room to mean-revert"}, {"symbol": "HIK_CFD.UK", "mean_reversion_score": 74, "selection_reason": "1D -19.6%; well below MA50 (-15.7%) and MA200 (-28.9%) -> oversold vs both medium/long trend"}, {"symbol": "BYIT_CFD.UK", "mean_reversion_score": 71, "selection_reason": "1D -12.7%; meaningfully below MA50 (-14.3%) and MA200 (-28.0%) with comparatively lower 20D vol -> cleaner mean-reversion"}], "output_schema": {"actions": {"sell": [{"symbol": "string", "reason": "string"}], "hold": [{"symbol": "string", "reason": "string"}], "buy": [{"symbol": "string", "position_size": "number (currency amount)", "reason": "string"}]}, "portfolio_rationale": "string"}}Output JSON
{
"actions": {
"buy": [],
"hold": [
{
"reason": "Hold to avoid overtrading; no new candidate-based edge provided that justifies rotating out after leverage is brought back into compliance.",
"symbol": "ADBE_CFD.US"
},
{
"reason": "Hold; position is small and near cost, and no stronger replacement can be added without breaching leverage constraints.",
"symbol": "COTY_CFD.US"
},
{
"reason": "Hold; leverage reduction achieved via other trims and no new signal indicates this should be rotated out today.",
"symbol": "FICO_CFD.US"
},
{
"reason": "Hold; it is explicitly flagged as an oversold mean-reversion candidate (score 76), so keep exposure.",
"symbol": "IWG_CFD.UK"
},
{
"reason": "Hold to avoid excess churn; leverage compliance can be achieved without selling this additional position.",
"symbol": "PSN_CFD.UK"
},
{
"reason": "Hold; no candidate list or risk trigger suggests replacing it today, and additional sells are not required after leverage compliance.",
"symbol": "ULTA_CFD.US"
},
{
"reason": "Hold; newly opened and no incremental information suggests an immediate change.",
"symbol": "UTG_CFD.UK"
},
{
"reason": "Hold; after the two risk-driven trims, further selling is not required to meet leverage limits and would increase churn.",
"symbol": "ZS_CFD.US"
}
],
"sell": [
{
"reason": "Risk control: current portfolio gross exposure vs reduced equity implies gross leverage likely > 3.0x. Selling this position materially reduces gross exposure to bring leverage back within the 3.0x constraint while avoiding broader churn.",
"symbol": "CSGP_CFD.US"
},
{
"reason": "Risk control: together with CSGP, this sale reduces gross exposure enough to restore compliance with the 3.0x max gross leverage limit. Prioritize trimming positions that are not among today’s top mean-reversion candidates to minimize opportunity cost.",
"symbol": "EZJ_CFD.UK"
}
]
},
"portfolio_rationale": "Primary objective this run is to restore risk compliance: the portfolio appears to be above the 3.0x max gross leverage limit due to drawdowns reducing equity while gross exposure remains high. To address this without unnecessary churn, sell two positions (max allowed) that together reduce gross exposure enough to bring leverage back within limits. Do not add new positions because a $3,000 fixed-size buy would likely push gross leverage back above 3.0x given current equity, and the strategy’s overtrading constraint favors HOLD when the incremental improvement is unclear."
}Selection logs
#915 • stage1 • 2026-03-30T20:19:08.260505+00:00
{
"selected_stocks": [
{
"symbol": "PAGE_CFD.UK",
"selection_reason": "1D -36.8%; far below MA50 (-31.7%) and MA200 (-40.6%) -> strong oversold mean-reversion setup (high vol)",
"mean_reversion_score": 86
},
{
"symbol": "FUTR_CFD.UK",
"selection_reason": "1D -21.2%; deeply below MA50 (-23.8%) and MA200 (-37.8%) -> oversold/discounted vs trend",
"mean_reversion_score": 79
},
{
"symbol": "IWG_CFD.UK",
"selection_reason": "1D -26.8%; below MA50 (-22.1%) and MA200 (-17.6%) -> sharp drawdown with room to mean-revert",
"mean_reversion_score": 76
},
{
"symbol": "HIK_CFD.UK",
"selection_reason": "1D -19.6%; well below MA50 (-15.7%) and MA200 (-28.9%) -> oversold vs both medium/long trend",
"mean_reversion_score": 74
},
{
"symbol": "BYIT_CFD.UK",
"selection_reason": "1D -12.7%; meaningfully below MA50 (-14.3%) and MA200 (-28.0%) with comparatively lower 20D vol -> cleaner mean-reversion",
"mean_reversion_score": 71
}
],
"rejected_common_reasons": [
"Not sufficiently oversold vs MA50/MA200 for a short-term bounce setup",
"Overbought/extended above MA50/MA200 (pullback risk not mean-reversion long)",
"Volatility extremely high (potentially unstable mean-reversion signal)",
"Missing key technical input (e.g., MA200 distance null)"
]
}