Arena run #62

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).

{"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": "FLTR_CFD.UK", "name": "FLUTTER ENTERTAINMENT PLC-DI", "sector": "", "last_price": 12305.0, "change_1d_pct": -25.78407720144753, "distance_from_ma200_pct": -37.10737840264257, "distance_from_ma50_pct": -32.350543135250895, "volatility_20d_pct": 128.69185529878447, "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": "IRBT_CFD.US", "name": "IROBOT CORP", "sector": "", "last_price": 0.49, "change_1d_pct": -45.55555555555556, "distance_from_ma200_pct": -85.08802629376588, "distance_from_ma50_pct": -82.85994123408423, "volatility_20d_pct": 786.5727671965057, "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": "CPG_CFD.UK", "name": "", "sector": "", "last_price": 2202.0, "change_1d_pct": -3.16622691292876, "distance_from_ma200_pct": -11.975119419721757, "distance_from_ma50_pct": -5.6971915407383005, "volatility_20d_pct": 75.58872399381154, "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": "BPT_CFD.UK", "name": "", "sector": "", "last_price": 274.2, "change_1d_pct": -5.912225920461179, "distance_from_ma200_pct": -11.483684525527371, "distance_from_ma50_pct": -7.545463557334964, "volatility_20d_pct": 77.69917499624198, "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": "BBOX_CFD.UK", "name": "", "sector": "", "last_price": 166.0, "change_1d_pct": 15.598885793871876, "distance_from_ma200_pct": 15.063751209988908, "distance_from_ma50_pct": 9.510960991667927, "volatility_20d_pct": 57.84262866116462, "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": "AUTO_CFD.UK", "name": "AUTOTRADER GROUP PLC", "sector": "", "last_price": 487.5, "change_1d_pct": -37.876721929835746, "distance_from_ma200_pct": -38.2752275317555, "distance_from_ma50_pct": -34.54270662081388, "volatility_20d_pct": 121.55657728615927, "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": "ICG_CFD.UK", "name": "ICG Plc", "sector": "", "last_price": 1714.0, "change_1d_pct": -16.876818622696412, "distance_from_ma200_pct": -15.871458066903788, "distance_from_ma50_pct": -14.252272815048862, "volatility_20d_pct": 67.97233404982396, "market_cap_usd": null, "avg_daily_volume_usd": null, 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"data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "APO_CFD.US", "name": "", "sector": "", "last_price": 134.76, "change_1d_pct": 6.31952662721893, "distance_from_ma200_pct": -1.6772363394397138, "distance_from_ma50_pct": -4.283926433006558, "volatility_20d_pct": 74.67847082473573, "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": "COLM_CFD.US", "name": "", "sector": "", "last_price": 62.5, "change_1d_pct": 8.866051210590498, "distance_from_ma200_pct": 9.73565996342729, "distance_from_ma50_pct": 12.066214098467643, "volatility_20d_pct": 110.0219728259903, "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": "LAD_CFD.US", "name": "", "sector": "", "last_price": 336.54, "change_1d_pct": 2.291793313069923, "distance_from_ma200_pct": 4.930704858774293, "distance_from_ma50_pct": 0.9131782043847236, "volatility_20d_pct": 58.57386000925162, "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": "", "sector": "", "last_price": 759.0, "change_1d_pct": 21.927710843373504, "distance_from_ma200_pct": 26.070718696943686, "distance_from_ma50_pct": 16.477642431132388, "volatility_20d_pct": 101.78150509898363, "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": "GLPG_CFD.NL", "name": "", "sector": "", "last_price": 28.14, "change_1d_pct": -0.7757404795486589, "distance_from_ma200_pct": 4.243630775283291, "distance_from_ma50_pct": 0.7129359216629494, "volatility_20d_pct": 77.02536911739296, "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": "GFT_CFD.DE", "name": "", "sector": "", "last_price": 18.96, "change_1d_pct": -1.3373575480043587, "distance_from_ma200_pct": -4.668047706200595, "distance_from_ma50_pct": -2.4607064808069623, "volatility_20d_pct": 64.1358414550162, "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": "FAST_CFD.US", "name": "", "sector": "", "last_price": 47.18, "change_1d_pct": 1.7029532226773059, "distance_from_ma200_pct": 7.899683939459079, "distance_from_ma50_pct": 10.777697946456666, "volatility_20d_pct": 58.36547691535282, "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": "LAND_CFD.UK", "name": "", "sector": "", "last_price": 656.5, "change_1d_pct": 9.599332220367284, "distance_from_ma200_pct": 10.893575022206159, "distance_from_ma50_pct": 5.268727891963665, "volatility_20d_pct": 67.84943580280434, "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": "GEN_CFD.UK", "name": "", "sector": "", "last_price": 363.0, "change_1d_pct": 11.349693251533743, "distance_from_ma200_pct": -0.8072323824217409, "distance_from_ma50_pct": 5.082033461824809, "volatility_20d_pct": 111.85373896752925, "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": "BATS_CFD.UK", "name": "", "sector": "", "last_price": 4517.0, "change_1d_pct": -0.9647007235255467, "distance_from_ma200_pct": 14.841537301819052, "distance_from_ma50_pct": 5.258472817704307, "volatility_20d_pct": 41.94183879296525, "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": "DOCS_CFD.UK", "name": "", "sector": "", "last_price": 68.35, "change_1d_pct": -8.805870580386932, "distance_from_ma200_pct": -8.608516188727766, "distance_from_ma50_pct": -14.353737234509135, "volatility_20d_pct": 116.53374073151934, "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": "MAN_CFD.US", "name": "", "sector": "", "last_price": 34.93, "change_1d_pct": 0.0, "distance_from_ma200_pct": -5.399897356315753, "distance_from_ma50_pct": 14.207057100258957, "volatility_20d_pct": 98.3451732511559, "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"]}}

{
  "selected_stocks": [
    {
      "symbol": "IRBT_CFD.US",
      "selection_reason": "Extreme 1-day drop (-45.6%) at 85% below MA200, 787% volatility signals capitulation potential",
      "mean_reversion_score": 95
    },
    {
      "symbol": "JBLU_CFD.US",
      "selection_reason": "Sharp 1-day rally (+10.8%) extended +30% above MA200 with 130% volatility, overbought conditions",
      "mean_reversion_score": 88
    },
    {
      "symbol": "COLM_CFD.US",
      "selection_reason": "Strong 1-day gain (+8.9%) trading +12% above MA50, 110% volatility indicates overextension",
      "mean_reversion_score": 82
    },
    {
      "symbol": "IRM_CFD.US",
      "selection_reason": "Single-day surge (+8.7%) to +10.5% above MA50, elevated 66% volatility suggests short-term reversal setup",
      "mean_reversion_score": 78
    },
    {
      "symbol": "GO_CFD.US",
      "selection_reason": "+9.3% daily move while -24.8% below MA200, 81% volatility offers mean reversion opportunity",
      "mean_reversion_score": 75
    }
  ],
  "rejected_common_reasons": [
    "Insufficient deviation from moving averages for mean reversion signal",
    "Low volatility relative to peers reduces short-term reversal potential",
    "Mixed signals across timeframes without clear overbought/oversold condition",
    "Moderate price movements insufficient for 2-10 day mean reversion horizon"
  ]
}

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.

{"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": [], "candidates": [{"symbol": "IRBT_CFD.US", "mean_reversion_score": 95, "selection_reason": "Extreme 1-day drop (-45.6%) at 85% below MA200, 787% volatility signals capitulation potential"}, {"symbol": "JBLU_CFD.US", "mean_reversion_score": 88, "selection_reason": "Sharp 1-day rally (+10.8%) extended +30% above MA200 with 130% volatility, overbought conditions"}, {"symbol": "COLM_CFD.US", "mean_reversion_score": 82, "selection_reason": "Strong 1-day gain (+8.9%) trading +12% above MA50, 110% volatility indicates overextension"}, {"symbol": "IRM_CFD.US", "mean_reversion_score": 78, "selection_reason": "Single-day surge (+8.7%) to +10.5% above MA50, elevated 66% volatility suggests short-term reversal setup"}, {"symbol": "GO_CFD.US", "mean_reversion_score": 75, "selection_reason": "+9.3% daily move while -24.8% below MA200, 81% volatility offers mean reversion opportunity"}], "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"}}

{
  "actions": {
    "buy": [
      {
        "reason": "Highest mean-reversion score (95). Extreme 1-day drop (-45.6%) trading 85% below MA200 with 787% volatility indicates capitulation and strong oversold bounce potential.",
        "symbol": "IRBT_CFD.US",
        "position_size": 3000
      },
      {
        "reason": "Strong mean-reversion score (75). Sharp daily rally (+9.3%) while still -24.8% below MA200 with 81% volatility suggests potential reversal from oversold conditions.",
        "symbol": "GO_CFD.US",
        "position_size": 3000
      }
    ],
    "hold": [],
    "sell": []
  },
  "portfolio_rationale": "Portfolio is empty. Selected the two highest-conviction long candidates based on mean-reversion signals: IRBT_CFD.US (extreme oversold capitulation) and GO_CFD.US (oversold bounce potential). Rejected JBLU, COLM, and IRM as they exhibit overbought conditions suitable for short-selling, which is outside the current long-only strategy scope. Position sizes fixed at $3000 each, resulting in 0.6x gross leverage, well within the 3.0x limit and 10-position maximum."
}

{
  "selected_stocks": [
    {
      "symbol": "IRBT_CFD.US",
      "selection_reason": "Extreme 1-day drop (-45.6%) at 85% below MA200, 787% volatility signals capitulation potential",
      "mean_reversion_score": 95
    },
    {
      "symbol": "JBLU_CFD.US",
      "selection_reason": "Sharp 1-day rally (+10.8%) extended +30% above MA200 with 130% volatility, overbought conditions",
      "mean_reversion_score": 88
    },
    {
      "symbol": "COLM_CFD.US",
      "selection_reason": "Strong 1-day gain (+8.9%) trading +12% above MA50, 110% volatility indicates overextension",
      "mean_reversion_score": 82
    },
    {
      "symbol": "IRM_CFD.US",
      "selection_reason": "Single-day surge (+8.7%) to +10.5% above MA50, elevated 66% volatility suggests short-term reversal setup",
      "mean_reversion_score": 78
    },
    {
      "symbol": "GO_CFD.US",
      "selection_reason": "+9.3% daily move while -24.8% below MA200, 81% volatility offers mean reversion opportunity",
      "mean_reversion_score": 75
    }
  ],
  "rejected_common_reasons": [
    "Insufficient deviation from moving averages for mean reversion signal",
    "Low volatility relative to peers reduces short-term reversal potential",
    "Mixed signals across timeframes without clear overbought/oversold condition",
    "Moderate price movements insufficient for 2-10 day mean reversion horizon"
  ]
}