Arena run #48

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": "ATG_CFD.UK", "name": "ATG_CFD.UK", "sector": "", "last_price": 292.5, "change_1d_pct": -1.0152284263959421, "distance_from_ma200_pct": -33.84107948739843, "distance_from_ma50_pct": -5.828037166534672, "volatility_20d_pct": 158.17820784721184, "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": "BYIT_CFD.UK", "name": "", "sector": "", "last_price": 304.8, "change_1d_pct": -9.92907801418439, "distance_from_ma200_pct": -27.18690998374248, "distance_from_ma50_pct": -13.74157791784395, "volatility_20d_pct": 86.40989379380683, "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": "ADJ_CFD.DE", "name": "", "sector": "", "last_price": 0.186, "change_1d_pct": 3.3333333333333437, "distance_from_ma200_pct": -13.132822716233882, "distance_from_ma50_pct": -6.098546042003239, "volatility_20d_pct": 289.85428872043053, "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": "BT_CFD.UK", "name": "", "sector": "", "last_price": 202.7, "change_1d_pct": 9.037116729424422, "distance_from_ma200_pct": 7.5002220805031605, "distance_from_ma50_pct": 9.900238559965292, "volatility_20d_pct": 80.0133471383762, "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": "CAR_CFD.US", "name": "", "sector": "", "last_price": 119.97, "change_1d_pct": 2.0239816310910763, "distance_from_ma200_pct": -15.465983461011612, "distance_from_ma50_pct": -5.580040925546992, "volatility_20d_pct": 75.0434760491137, "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": "ASGN_CFD.US", "name": "", "sector": "", "last_price": 50.97, "change_1d_pct": 2.2877784467188356, "distance_from_ma200_pct": 2.411605443065312, "distance_from_ma50_pct": 4.189663207986838, "volatility_20d_pct": 78.90566495955204, "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": "BDX_CFD.US", "name": "", "sector": "", "last_price": 208.67, "change_1d_pct": 1.379779429626371, "distance_from_ma200_pct": 11.477413629979605, "distance_from_ma50_pct": 4.4471762673110815, "volatility_20d_pct": 44.713843204767905, "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": "BFAM_CFD.US", "name": "", "sector": "", "last_price": 84.9, "change_1d_pct": -3.8287267784322565, "distance_from_ma200_pct": -23.001508227229895, "distance_from_ma50_pct": -13.575119406813807, "volatility_20d_pct": 50.45718157512095, "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": "BLND_CFD.UK", "name": "", "sector": "", "last_price": 419.0, "change_1d_pct": 1.305609284332676, "distance_from_ma200_pct": 12.579768072243436, "distance_from_ma50_pct": 5.858069340825067, "volatility_20d_pct": 83.6517211804937, "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": 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"last_price": 0.8, "change_1d_pct": -3.6144578313252906, "distance_from_ma200_pct": -28.624323046313894, "distance_from_ma50_pct": -13.358026295839021, "volatility_20d_pct": 123.9561977008674, "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": "CHT_CFD.US", "name": "", "sector": "", "last_price": 41.54, "change_1d_pct": -0.09620009620009418, "distance_from_ma200_pct": -4.015786329990223, "distance_from_ma50_pct": -0.521102745368518, "volatility_20d_pct": 24.954564057486404, "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": "CCC_CFD.UK", "name": "", "sector": "", "last_price": 3022.0, "change_1d_pct": 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"snapshot_ok_prices_technicals_only"}, {"symbol": "BEN_CFD.FR", "name": "", "sector": "", "last_price": 7.9399999999999995, "change_1d_pct": -0.6879299562226437, "distance_from_ma200_pct": -3.778802736850795, "distance_from_ma50_pct": -2.904548078145941, "volatility_20d_pct": 43.94943424304621, "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": "ALL_CFD.US", "name": "", "sector": "", "last_price": 207.27, "change_1d_pct": 2.1437019515079925, "distance_from_ma200_pct": 2.30430236308774, "distance_from_ma50_pct": 1.4150251005490055, "volatility_20d_pct": 51.843209885624844, "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": "BMY_CFD.US", "name": "", "sector": "", "last_price": 61.29, "change_1d_pct": 8.95999999999999, "distance_from_ma200_pct": 26.071032974085394, "distance_from_ma50_pct": 12.944480481188814, "volatility_20d_pct": 59.99831583729795, "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": "ABBV_CFD.US", "name": "", "sector": "", "last_price": 220.89, "change_1d_pct": -2.6187012299960455, "distance_from_ma200_pct": 5.255884875631356, "distance_from_ma50_pct": -1.3116450382395617, "volatility_20d_pct": 73.26499613206305, "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": "BARC_CFD.UK", "name": "", "sector": "", "last_price": 472.2, "change_1d_pct": -3.5440710856909474, "distance_from_ma200_pct": 22.127754114052635, "distance_from_ma50_pct": 0.8337899539478721, "volatility_20d_pct": 38.329163839573816, "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": "BRNK_CFD.DE", "name": "", "sector": "", "last_price": 1.99, "change_1d_pct": 0.25188916876575096, "distance_from_ma200_pct": 2.44372030290394, "distance_from_ma50_pct": 6.4091458393489065, "volatility_20d_pct": 103.1424091021338, "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": "BERY_CFD.US", "name": "", "sector": "", "last_price": 67.88, "change_1d_pct": -2.2887577371527357, "distance_from_ma200_pct": 0.1607618592304405, "distance_from_ma50_pct": -2.3899226366799975, "volatility_20d_pct": 69.71811673774233, "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": "BPOST_CFD.BE", "name": "", "sector": "", "last_price": 2.24, "change_1d_pct": -0.22271714922048602, "distance_from_ma200_pct": 8.12428500403053, "distance_from_ma50_pct": 8.528183412629975, "volatility_20d_pct": 57.61765640562978, "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": "ADP_CFD.US", "name": "", "sector": "", "last_price": 227.04, "change_1d_pct": -4.246973978322311, "distance_from_ma200_pct": -20.605390888363573, "distance_from_ma50_pct": -11.252526121167827, "volatility_20d_pct": 39.801787220025965, "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": "AZN_CFD.SE", "name": "", "sector": "", "last_price": 1703.0, "change_1d_pct": 1.2786202795123325, "distance_from_ma200_pct": 12.016370307834535, "distance_from_ma50_pct": -0.11144348642149193, "volatility_20d_pct": 38.270563233973185, "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": "AIZ_CFD.US", "name": "", "sector": "", "last_price": 243.94, "change_1d_pct": 1.0815066506443483, "distance_from_ma200_pct": 14.607418850087406, "distance_from_ma50_pct": 3.7723729135133777, "volatility_20d_pct": 35.24213160208557, "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": "BCP_CFD.PT", "name": "", "sector": "", "last_price": 0.924, "change_1d_pct": -1.2820512820512886, "distance_from_ma200_pct": 22.27397840355707, "distance_from_ma50_pct": 4.529616724738683, "volatility_20d_pct": 48.570699966330075, "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": "BMO_CFD.US", "name": "", "sector": "", "last_price": 143.19, "change_1d_pct": 2.34436423415052, "distance_from_ma200_pct": 19.3192826177079, "distance_from_ma50_pct": 7.758880192655027, "volatility_20d_pct": 37.643495462157084, "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": "CAG_CFD.US", "name": "", "sector": "", "last_price": 19.18, "change_1d_pct": 1.1070110701107083, "distance_from_ma200_pct": -0.7341429521500187, "distance_from_ma50_pct": 9.129806433992972, "volatility_20d_pct": 55.37971406673143, "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": "BYIT_CFD.UK",
      "selection_reason": "Deeply oversold conditions with -9.9% 1d change and -27% deviation from MA200, signaling potential snap-back.",
      "mean_reversion_score": 92
    },
    {
      "symbol": "BPT_CFD.UK",
      "selection_reason": "Significant short-term weakness (-5.9% 1d) offering mean reversion potential against moderate volatility.",
      "mean_reversion_score": 88
    },
    {
      "symbol": "ADP_CFD.US",
      "selection_reason": "Oversold status (-4.2% 1d) combined with significant extension below MA200 (-20%), attractive for reversion.",
      "mean_reversion_score": 85
    },
    {
      "symbol": "BFAM_CFD.US",
      "selection_reason": "Consistent downward extension (-23% vs MA200) with recent acute drop (-3.8% 1d), fitting oversold criteria.",
      "mean_reversion_score": 82
    },
    {
      "symbol": "BARC_CFD.UK",
      "selection_reason": "Classic pullback setup (-3.5% 1d) within a longer-term uptrend (+22% vs MA200), targeting mean reversion to trend.",
      "mean_reversion_score": 78
    }
  ],
  "rejected_common_reasons": [
    "Daily move >15% suggests binary event/earnings risk (e.g., BOY_CFD.UK, CE_CFD.US, ARW_CFD.US)",
    "Volatility >150% indicates excessive risk for standard mean reversion (e.g., ATG_CFD.UK, ADJ_CFD.DE)",
    "Insufficient deviation from mean to justify trade entry"
  ]
}

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": "BYIT_CFD.UK", "mean_reversion_score": 92, "selection_reason": "Deeply oversold conditions with -9.9% 1d change and -27% deviation from MA200, signaling potential snap-back."}, {"symbol": "BPT_CFD.UK", "mean_reversion_score": 88, "selection_reason": "Significant short-term weakness (-5.9% 1d) offering mean reversion potential against moderate volatility."}, {"symbol": "ADP_CFD.US", "mean_reversion_score": 85, "selection_reason": "Oversold status (-4.2% 1d) combined with significant extension below MA200 (-20%), attractive for reversion."}, {"symbol": "BFAM_CFD.US", "mean_reversion_score": 82, "selection_reason": "Consistent downward extension (-23% vs MA200) with recent acute drop (-3.8% 1d), fitting oversold criteria."}, {"symbol": "BARC_CFD.UK", "mean_reversion_score": 78, "selection_reason": "Classic pullback setup (-3.5% 1d) within a longer-term uptrend (+22% vs MA200), targeting mean reversion to trend."}], "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": "Top-ranked US candidate (Score 85) showing oversold status (-4.2% 1d) and significant deviation from MA200.",
        "symbol": "ADP_CFD.US",
        "position_size": 3000
      },
      {
        "reason": "Second-ranked US candidate (Score 82) with consistent downward extension (-23% vs MA200) signaling reversion potential.",
        "symbol": "BFAM_CFD.US",
        "position_size": 3000
      }
    ],
    "hold": [],
    "sell": []
  },
  "portfolio_rationale": "Current portfolio is empty. Selected the top 2 candidates belonging to the specified US region (ADP and BFAM) to adhere to regional constraints and the limit of 2 buys per run. UK candidates were excluded despite high scores to maintain regional focus."
}

{
  "selected_stocks": [
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "Deeply oversold conditions with -9.9% 1d change and -27% deviation from MA200, signaling potential snap-back.",
      "mean_reversion_score": 92
    },
    {
      "symbol": "BPT_CFD.UK",
      "selection_reason": "Significant short-term weakness (-5.9% 1d) offering mean reversion potential against moderate volatility.",
      "mean_reversion_score": 88
    },
    {
      "symbol": "ADP_CFD.US",
      "selection_reason": "Oversold status (-4.2% 1d) combined with significant extension below MA200 (-20%), attractive for reversion.",
      "mean_reversion_score": 85
    },
    {
      "symbol": "BFAM_CFD.US",
      "selection_reason": "Consistent downward extension (-23% vs MA200) with recent acute drop (-3.8% 1d), fitting oversold criteria.",
      "mean_reversion_score": 82
    },
    {
      "symbol": "BARC_CFD.UK",
      "selection_reason": "Classic pullback setup (-3.5% 1d) within a longer-term uptrend (+22% vs MA200), targeting mean reversion to trend.",
      "mean_reversion_score": 78
    }
  ],
  "rejected_common_reasons": [
    "Daily move >15% suggests binary event/earnings risk (e.g., BOY_CFD.UK, CE_CFD.US, ARW_CFD.US)",
    "Volatility >150% indicates excessive risk for standard mean reversion (e.g., ATG_CFD.UK, ADJ_CFD.DE)",
    "Insufficient deviation from mean to justify trade entry"
  ]
}