Arena run #577

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": "EU", "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": "SAFE_CFD.UK", "name": "SAFESTORE HOLDINGS PLC", "sector": "", "last_price": 802.5, "change_1d_pct": 13.187588152327212, "distance_from_ma200_pct": 21.40724384452035, "distance_from_ma50_pct": 10.29872606002229, "volatility_20d_pct": 81.07249455345375, "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": 567.5, "change_1d_pct": 3.4639927073837784, "distance_from_ma200_pct": -23.929923575376698, "distance_from_ma50_pct": -3.6875042216270137, "volatility_20d_pct": 73.84223442053181, "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": "TRN_CFD.UK", "name": "TRAINLINE PLC", "sector": "", "last_price": 206.0, "change_1d_pct": -12.93322062552832, "distance_from_ma200_pct": -22.557701091522887, "distance_from_ma50_pct": -12.560104316644482, "volatility_20d_pct": 131.09279103846345, "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": "WIX_CFD.UK", "name": "WICKES GROUP PLC", "sector": "", "last_price": 247.5, "change_1d_pct": 15.984816533108393, "distance_from_ma200_pct": 18.647646929530737, "distance_from_ma50_pct": 10.198455173494668, "volatility_20d_pct": 84.25206447406164, "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": 315.6, "change_1d_pct": -9.048991354466851, "distance_from_ma200_pct": 7.853280580001876, "distance_from_ma50_pct": -3.0101280045040535, "volatility_20d_pct": 4841.586311080337, "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": 2795.0, "change_1d_pct": 2.3809523809523725, "distance_from_ma200_pct": 6.811460460804897, "distance_from_ma50_pct": 10.895008018562113, "volatility_20d_pct": 141.33746334612064, "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": "VTY_CFD.UK", "name": "VISTRY GROUP PLC", "sector": "", "last_price": 463.9, "change_1d_pct": -32.72911832946637, "distance_from_ma200_pct": -26.66844502405723, "distance_from_ma50_pct": -28.488957332309774, "volatility_20d_pct": 205.6561667968453, "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": "DOM_CFD.UK", "name": "DOMINO'S PIZZA GROUP PLC", "sector": "", "last_price": 204.15, "change_1d_pct": 11.924342105263165, "distance_from_ma200_pct": -5.759626343727387, "distance_from_ma50_pct": 12.834440951357639, "volatility_20d_pct": 73.60557991984848, "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": "SGRO_CFD.UK", "name": "SEGRO PLC", "sector": "", "last_price": 838.6, "change_1d_pct": 14.312977099236646, "distance_from_ma200_pct": 23.337223471135403, "distance_from_ma50_pct": 14.881685289390623, "volatility_20d_pct": 61.79400737887707, "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": -5.564142194744981, "distance_from_ma200_pct": 0.3541219387989347, "distance_from_ma50_pct": -6.520894339541805, "volatility_20d_pct": 4817.271229246994, "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": "HSBA_CFD.UK", "name": "HSBC HOLDINGS PLC", "sector": "", "last_price": 1205.4, "change_1d_pct": -5.754495699765439, "distance_from_ma200_pct": 13.508671303503107, "distance_from_ma50_pct": -4.766870816663193, "volatility_20d_pct": 5015.147576914964, "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": "ITV_CFD.UK", "name": "ITV PLC", "sector": "", "last_price": 86.0, "change_1d_pct": 3.92749244712991, "distance_from_ma200_pct": 7.871211807633016, "distance_from_ma50_pct": 5.417994606521215, "volatility_20d_pct": 139.7485078641958, "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": "LSEG_CFD.UK", "name": "LONDON STOCK EXCHANGE GROUP", "sector": "", "last_price": 8422.0, "change_1d_pct": -4.836158192090401, "distance_from_ma200_pct": -9.453084048707193, "distance_from_ma50_pct": 0.9170776523241386, "volatility_20d_pct": 109.51804758992422, "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": "TRST_CFD.UK", "name": "TRUSTPILOT AS", "sector": "", "last_price": 156.6, "change_1d_pct": -27.567067530064747, "distance_from_ma200_pct": -26.81677017545049, "distance_from_ma50_pct": -10.671300046318578, "volatility_20d_pct": 228.54402237564213, "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": "KWS_CFD.DE", "name": "KWS SAAT AG", "sector": "", "last_price": 65.2, "change_1d_pct": 2.1943573667711602, "distance_from_ma200_pct": -0.4765904378915553, "distance_from_ma50_pct": -6.063486675566621, "volatility_20d_pct": 43.83991611415101, "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": "OSB_CFD.UK", "name": "OSB GROUP PLC", "sector": "", "last_price": 575.5, "change_1d_pct": -8.50556438791733, "distance_from_ma200_pct": 7.26309045372473, "distance_from_ma50_pct": -3.1605502163448818, "volatility_20d_pct": 83.79306172690484, "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": "GMM_CFD.DE", "name": "Grammer AG", "sector": "", "last_price": 6.95, "change_1d_pct": -9.150326797385622, "distance_from_ma200_pct": 4.306429778510168, "distance_from_ma50_pct": 3.4934627870268464, "volatility_20d_pct": 184.652948783905, "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": "BME_CFD.UK", "name": "B&M EUROPEAN VALUE RETAIL SA", "sector": "", "last_price": 180.0, "change_1d_pct": -0.5799502899751507, "distance_from_ma200_pct": -17.510144533683704, "distance_from_ma50_pct": 3.6906975618860693, "volatility_20d_pct": 107.67302074828436, "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": 4320.0, "change_1d_pct": 7.32919254658384, "distance_from_ma200_pct": -2.181054535330118, "distance_from_ma50_pct": 4.04542083578916, "volatility_20d_pct": 103.56899161014346, "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": "WIZZ_CFD.UK", "name": "WIZZ AIR HOLDINGS PLC", "sector": "", "last_price": 927.0, "change_1d_pct": -5.0691244239631335, "distance_from_ma200_pct": -24.217738215858287, "distance_from_ma50_pct": -27.277531220454044, "volatility_20d_pct": 8111.240262670523, "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": "TNG_CFD.FR", "name": "Transgene SA", "sector": "", "last_price": 0.778, "change_1d_pct": -4.187192118226601, "distance_from_ma200_pct": -23.223052821158063, "distance_from_ma50_pct": -12.066549120665492, "volatility_20d_pct": 86.61732111556974, "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": 423.6, "change_1d_pct": -20.82242990654205, "distance_from_ma200_pct": -37.68377383888033, "distance_from_ma50_pct": -24.301477407850992, "volatility_20d_pct": 153.59085037557008, "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": "FICO_CFD.US", "name": "FAIR ISAAC CORP", "sector": "", "last_price": 1159.52, "change_1d_pct": -20.122896330332118, "distance_from_ma200_pct": -27.205765379721957, "distance_from_ma50_pct": -20.554343660017103, "volatility_20d_pct": 102.9945402361105, "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": "DPLM_CFD.UK", "name": "DIPLOMA PLC", "sector": "", "last_price": 5220.0, "change_1d_pct": -5.434782608695654, "distance_from_ma200_pct": 4.8180942215069855, "distance_from_ma50_pct": -4.664614313757087, "volatility_20d_pct": 82.77890721911896, "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": "SGE_CFD.UK", "name": "SAGE GROUP PLC/THE", "sector": "", "last_price": 825.0, "change_1d_pct": 5.07278678502745, "distance_from_ma200_pct": -26.453535550154516, "distance_from_ma50_pct": -13.245015005983463, "volatility_20d_pct": 105.66269444091493, "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": "CRDA_CFD.UK", "name": "CRODA INTERNATIONAL PLC", "sector": "", "last_price": 2852.0, "change_1d_pct": 4.622157006603089, "distance_from_ma200_pct": 0.7062484713757033, "distance_from_ma50_pct": 0.43312312572669764, "volatility_20d_pct": 116.9451780511235, "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": "OLLI_CFD.US", "name": "OLLIE'S BARGAIN OUTLET HOLDI", "sector": "", "last_price": 105.35, "change_1d_pct": -2.2364513734224323, "distance_from_ma200_pct": -13.646337694869526, "distance_from_ma50_pct": -5.060496334893583, "volatility_20d_pct": 75.55467440580614, "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": "DCC_CFD.UK", "name": "DCC PLC", "sector": "", "last_price": 4722.0, "change_1d_pct": 3.871535415750116, "distance_from_ma200_pct": -1.7078152611501807, "distance_from_ma50_pct": -2.095260937900023, "volatility_20d_pct": 101.77420564801834, "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": "LAND SECURITIES GROUP PLC", "sector": "", "last_price": 587.0, "change_1d_pct": -9.203402938901784, "distance_from_ma200_pct": -1.751221707657491, "distance_from_ma50_pct": -6.159306646766682, "volatility_20d_pct": 80.69294894711774, "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": "BMW_CFD.DE", "name": "BAYERISCHE MOTOREN WERKE AG", "sector": "", "last_price": 80.004, "change_1d_pct": 1.967881723171061, "distance_from_ma200_pct": -6.290991980901184, "distance_from_ma50_pct": -8.943591326491218, "volatility_20d_pct": 47.57236440643064, "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": "MNG_CFD.UK", "name": "M&G PLC", "sector": "", "last_price": 300.1, "change_1d_pct": -2.564935064935059, "distance_from_ma200_pct": 12.150356967747356, "distance_from_ma50_pct": -0.6814293137056837, "volatility_20d_pct": 66.02335421814031, "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": 182.32, "change_1d_pct": 0.8407079646017612, "distance_from_ma200_pct": -17.111863069088763, "distance_from_ma50_pct": 6.139091576985178, "volatility_20d_pct": 102.4204512350097, "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": "DLTR_CFD.US", "name": "Dollar Tree Inc", "sector": "", "last_price": 113.23, "change_1d_pct": -1.5562510867675128, "distance_from_ma200_pct": 2.7290377601567606, "distance_from_ma50_pct": -10.047252401546892, "volatility_20d_pct": 76.37221415674689, "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": "CRBN_CFD.NL", "name": "Corbion", "sector": "", "last_price": 21.32, "change_1d_pct": 0.0, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 10.465176526668118, "volatility_20d_pct": 1678.2965924693424, "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": "TRN_CFD.UK",
      "selection_reason": "Large 1-day drop (-12.93%), significantly below MA50 (-12.56%) and MA200 (-22.56%), high volatility (131%) suggests oversold condition.",
      "mean_reversion_score": 85
    },
    {
      "symbol": "OCDO_CFD.UK",
      "selection_reason": "Sharp 1-day decline (-21.15%), below MA50 (-5.48%) and MA200 (-15.82%), high volatility (241%) indicates potential rebound.",
      "mean_reversion_score": 80
    },
    {
      "symbol": "VTY_CFD.UK",
      "selection_reason": "Extreme 1-day drop (-32.73%), far below MA50 (-28.49%) and MA200 (-26.67%), high volatility (206%) suggests oversold.",
      "mean_reversion_score": 75
    },
    {
      "symbol": "FUTR_CFD.UK",
      "selection_reason": "Large 1-day decline (-20.82%), significantly below MA50 (-24.30%) and MA200 (-37.68%), high volatility (154%) indicates oversold.",
      "mean_reversion_score": 70
    },
    {
      "symbol": "TRST_CFD.UK",
      "selection_reason": "Sharp 1-day drop (-27.57%), below MA50 (-10.67%) and MA200 (-26.82%), high volatility (229%) suggests potential mean reversion.",
      "mean_reversion_score": 65
    }
  ],
  "rejected_common_reasons": [
    "Earnings dates unknown (cannot confirm avoidance of earnings within 5 trading days).",
    "Sector information missing (cannot enforce sector concentration rule).",
    "Extreme volatility outliers (e.g., KGF_CFD.UK, WIZZ_CFD.UK) may indicate binary/event-driven moves.",
    "US stocks excluded due to regional focus (EU only)."
  ]
}

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": "EU", "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": "ACM_CFD.US", "qty": 0.0, "avg_price": 88.42, "last_price": 97.88, "unrealized_pnl": 0.0, "opened_at": "2026-02-15T10:57:15.913854+00:00"}, {"symbol": "ADS_CFD.DE", "qty": 21.873860736419978, "avg_price": 137.15, "last_price": 139.591, "unrealized_pnl": 53.39409405760122, "opened_at": "2026-03-04T10:26:53.527562+00:00"}, {"symbol": "AIR_CFD.DE", "qty": 0.0, "avg_price": 200.984, "last_price": 187.12, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "AMCX_CFD.US", "qty": 0.0, "avg_price": 7.5, "last_price": 7.365, "unrealized_pnl": -53.999999999999915, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "AMH_CFD.US", "qty": 0.0, "avg_price": 29.595, "last_price": 29.485, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "ATG_CFD.UK", "qty": 0.0, "avg_price": 296.0, "last_price": 296.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-04T18:49:26.891792+00:00"}, {"symbol": "ATO_CFD.FR", "qty": 0.0, "avg_price": 35.106, "last_price": 38.024, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T10:57:06.928276+00:00"}, {"symbol": "BIG_CFD.FR", "qty": 0.0, "avg_price": 0.453, "last_price": 0.453, "unrealized_pnl": 0.0, "opened_at": "2026-02-28T10:51:05.818250+00:00"}, {"symbol": "BLND_CFD.UK", "qty": 8.237232289950576, "avg_price": 364.2, "last_price": 373.8, "unrealized_pnl": 79.07742998352572, "opened_at": "2026-03-09T18:18:45.954380+00:00"}, {"symbol": "BRBY_CFD.UK", "qty": 0.0, "avg_price": 1070.84, "last_price": 1070.84, "unrealized_pnl": 0.0, "opened_at": "2026-03-09T10:19:46.508085+00:00"}, {"symbol": "BYIT_CFD.UK", "qty": 0.0, "avg_price": 292.6, "last_price": 292.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-15T10:57:15.913854+00:00"}, {"symbol": "CBG_CFD.UK", "qty": 0.0, "avg_price": 458.2, "last_price": 458.2, "unrealized_pnl": 0.0, "opened_at": "2026-03-04T10:26:53.527562+00:00"}, {"symbol": "CRWD_CFD.US", "qty": 0.0, "avg_price": 350.24, "last_price": 350.055, "unrealized_pnl": -1.5846276838739344, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "DOM_CFD.UK", "qty": 0.0, "avg_price": 199.3, "last_price": 189.21, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "DSY_CFD.FR", "qty": 0.0, "avg_price": 17.881, "last_price": 16.752, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "ESTC_CFD.US", "qty": 0.0, "avg_price": 58.085, "last_price": 54.045, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}, {"symbol": "EVT_CFD.DE", "qty": 666.3705019991115, "avg_price": 4.502, "last_price": 4.353, "unrealized_pnl": -99.28920479786763, "opened_at": "2026-03-11T10:11:17.665074+00:00"}, {"symbol": "EXM_CFD.BE", "qty": 300.0, "avg_price": 10.0, "last_price": 10.1, "unrealized_pnl": 29.999999999999893, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "EXPD_CFD.US", "qty": 22.01269398686576, "avg_price": 136.285, "last_price": 140.77, "unrealized_pnl": 98.72693253109323, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "EZJ_CFD.UK", "qty": 0.0, "avg_price": 405.2, "last_price": 394.1, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "FRVIA_CFD.FR", "qty": 0.0, "avg_price": 12.709, "last_price": 12.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-26T10:33:24.101894+00:00"}, {"symbol": "FUTR_CFD.UK", "qty": 7.488766849725412, "avg_price": 400.6, "last_price": 414.2, "unrealized_pnl": 101.84722915626534, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "GO_CFD.US", "qty": 0.0, "avg_price": 6.53, "last_price": 6.35, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T18:20:59.102726+00:00"}, {"symbol": "GRI_CFD.UK", "qty": 0.0, "avg_price": 189.6, "last_price": 189.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "HIK_CFD.UK", "qty": 0.0, "avg_price": 1409.0, "last_price": 1408.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-26T10:33:24.101894+00:00"}, {"symbol": "JEF_CFD.US", "qty": 0.0, "avg_price": 47.46, "last_price": 44.27, "unrealized_pnl": 0.0, "opened_at": "2026-02-26T18:07:22.382508+00:00"}, {"symbol": "JMAT_CFD.UK", "qty": 0.0, "avg_price": 1976.9999999999998, "last_price": 1964.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "LIO_CFD.UK", "qty": 12.0, "avg_price": 250.0, "last_price": 257.5, "unrealized_pnl": 90.0, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "NA9_CFD.DE", "qty": 0.0, "avg_price": 48.578, "last_price": 53.3, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T10:57:06.928276+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 0.0, "avg_price": 218.60911016949152, "last_price": 217.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "OKTA_CFD.US", "qty": 42.747221430607006, "avg_price": 70.18, "last_price": 80.87, "unrealized_pnl": 456.9677970931888, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "PAGE_CFD.UK", "qty": 0.0, "avg_price": 151.91, "last_price": 151.91, "unrealized_pnl": 0.0, "opened_at": "2026-03-06T10:33:43.857578+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 0.0, "avg_price": 424.3, "last_price": 424.3, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "SYNT_CFD.UK", "qty": 0.0, "avg_price": 18.4, "last_price": 18.34, "unrealized_pnl": 0.0, "opened_at": "2026-03-04T18:49:26.891792+00:00"}, {"symbol": "TRN_CFD.UK", "qty": 0.0, "avg_price": 184.50000000000003, "last_price": 184.5, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "TRST_CFD.UK", "qty": 0.0, "avg_price": 134.3, "last_price": 139.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "TUI1_CFD.DE", "qty": 0.0, "avg_price": 7.398000000000001, "last_price": 6.95, "unrealized_pnl": -181.67072181670738, "opened_at": "2026-03-02T10:31:26.559356+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 32.48511099079589, "avg_price": 92.35, "last_price": 96.65, "unrealized_pnl": 139.6859772604227, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "VTY_CFD.UK", "qty": 7.015902712815715, "avg_price": 427.6, "last_price": 427.6, "unrealized_pnl": 0.0, "opened_at": "2026-03-11T10:11:17.665074+00:00"}, {"symbol": "WIX_CFD.UK", "qty": 13.3630289532294, "avg_price": 224.5, "last_price": 224.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-09T10:19:46.508085+00:00"}, {"symbol": "WIZZ_CFD.UK", "qty": 0.0, "avg_price": 1087.0, "last_price": 1064.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "WKP_CFD.UK", "qty": 7.2727272727272725, "avg_price": 412.5, "last_price": 412.5, "unrealized_pnl": 0.0, "opened_at": "2026-02-22T09:32:59.506254+00:00"}, {"symbol": "WPP_CFD.UK", "qty": 0.0, "avg_price": 263.4, "last_price": 257.0, "unrealized_pnl": -72.89293849658289, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "ZS_CFD.US", "qty": 0.0, "avg_price": 159.76, "last_price": 144.45, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}], "candidates": [{"symbol": "TRN_CFD.UK", "mean_reversion_score": 85, "selection_reason": "Large 1-day drop (-12.93%), significantly below MA50 (-12.56%) and MA200 (-22.56%), high volatility (131%) suggests oversold condition."}, {"symbol": "OCDO_CFD.UK", "mean_reversion_score": 80, "selection_reason": "Sharp 1-day decline (-21.15%), below MA50 (-5.48%) and MA200 (-15.82%), high volatility (241%) indicates potential rebound."}, {"symbol": "VTY_CFD.UK", "mean_reversion_score": 75, "selection_reason": "Extreme 1-day drop (-32.73%), far below MA50 (-28.49%) and MA200 (-26.67%), high volatility (206%) suggests oversold."}, {"symbol": "FUTR_CFD.UK", "mean_reversion_score": 70, "selection_reason": "Large 1-day decline (-20.82%), significantly below MA50 (-24.30%) and MA200 (-37.68%), high volatility (154%) indicates oversold."}, {"symbol": "TRST_CFD.UK", "mean_reversion_score": 65, "selection_reason": "Sharp 1-day drop (-27.57%), below MA50 (-10.67%) and MA200 (-26.82%), high volatility (229%) suggests potential 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"}}

{
  "actions": {
    "buy": [
      {
        "reason": "High mean-reversion score (85) due to large 1-day drop (-12.93%) and significant deviation below MA50 and MA200.",
        "symbol": "TRN_CFD.UK",
        "position_size": 3000
      },
      {
        "reason": "High mean-reversion score (80) due to sharp 1-day decline (-21.15%) and deviation below MA50 and MA200.",
        "symbol": "OCDO_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Small positive unrealized PnL (53.40); no strong mean-reversion signal to justify selling.",
        "symbol": "ADS_CFD.DE"
      },
      {
        "reason": "Positive unrealized PnL (79.08); no strong mean-reversion signal to justify selling.",
        "symbol": "BLND_CFD.UK"
      },
      {
        "reason": "Small positive unrealized PnL (30.00); no strong mean-reversion signal to justify selling.",
        "symbol": "EXM_CFD.BE"
      },
      {
        "reason": "Positive unrealized PnL (98.73); no strong mean-reversion signal to justify selling.",
        "symbol": "EXPD_CFD.US"
      },
      {
        "reason": "Positive unrealized PnL (101.85); already held and performing well.",
        "symbol": "FUTR_CFD.UK"
      },
      {
        "reason": "Positive unrealized PnL (90.00); no strong mean-reversion signal to justify selling.",
        "symbol": "LIO_CFD.UK"
      },
      {
        "reason": "Strong positive unrealized PnL (456.97); no strong mean-reversion signal to justify selling.",
        "symbol": "OKTA_CFD.US"
      },
      {
        "reason": "Positive unrealized PnL (139.69); no strong mean-reversion signal to justify selling.",
        "symbol": "UKW_CFD.UK"
      },
      {
        "reason": "No unrealized PnL; recently opened, no clear mean-reversion signal to justify selling.",
        "symbol": "VTY_CFD.UK"
      },
      {
        "reason": "No unrealized PnL; recently opened, no clear mean-reversion signal to justify selling.",
        "symbol": "WIX_CFD.UK"
      },
      {
        "reason": "No unrealized PnL; no strong mean-reversion signal to justify selling.",
        "symbol": "WKP_CFD.UK"
      }
    ],
    "sell": [
      {
        "reason": "Negative unrealized PnL (-99.29) with no clear mean-reversion signal; position has underperformed since opening.",
        "symbol": "EVT_CFD.DE"
      }
    ]
  },
  "portfolio_rationale": "Portfolio adjusted to capitalize on high-probability mean-reversion candidates (TRN_CFD.UK, OCDO_CFD.UK) while trimming underperforming position (EVT_CFD.DE). Existing profitable positions held to avoid overtrading. Gross leverage remains within limits (max 3.0)."
}

{
  "selected_stocks": [
    {
      "symbol": "TRN_CFD.UK",
      "selection_reason": "Large 1-day drop (-12.93%), significantly below MA50 (-12.56%) and MA200 (-22.56%), high volatility (131%) suggests oversold condition.",
      "mean_reversion_score": 85
    },
    {
      "symbol": "OCDO_CFD.UK",
      "selection_reason": "Sharp 1-day decline (-21.15%), below MA50 (-5.48%) and MA200 (-15.82%), high volatility (241%) indicates potential rebound.",
      "mean_reversion_score": 80
    },
    {
      "symbol": "VTY_CFD.UK",
      "selection_reason": "Extreme 1-day drop (-32.73%), far below MA50 (-28.49%) and MA200 (-26.67%), high volatility (206%) suggests oversold.",
      "mean_reversion_score": 75
    },
    {
      "symbol": "FUTR_CFD.UK",
      "selection_reason": "Large 1-day decline (-20.82%), significantly below MA50 (-24.30%) and MA200 (-37.68%), high volatility (154%) indicates oversold.",
      "mean_reversion_score": 70
    },
    {
      "symbol": "TRST_CFD.UK",
      "selection_reason": "Sharp 1-day drop (-27.57%), below MA50 (-10.67%) and MA200 (-26.82%), high volatility (229%) suggests potential mean reversion.",
      "mean_reversion_score": 65
    }
  ],
  "rejected_common_reasons": [
    "Earnings dates unknown (cannot confirm avoidance of earnings within 5 trading days).",
    "Sector information missing (cannot enforce sector concentration rule).",
    "Extreme volatility outliers (e.g., KGF_CFD.UK, WIZZ_CFD.UK) may indicate binary/event-driven moves.",
    "US stocks excluded due to regional focus (EU only)."
  ]
}