Arena run #360

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": "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": "WPP_CFD.UK", "name": "WPP PLC", "sector": "", "last_price": 287.7, "change_1d_pct": 12.120031176929057, "distance_from_ma200_pct": -26.952858950083826, "distance_from_ma50_pct": -6.1305832237048214, "volatility_20d_pct": 162.7763312146067, "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": 1403.0, "change_1d_pct": 0.8626887131560013, "distance_from_ma200_pct": 12.315696286669354, "distance_from_ma50_pct": 8.235260718145199, "volatility_20d_pct": 106.92938780570063, "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": 98.15, "change_1d_pct": -2.163078149920239, "distance_from_ma200_pct": -12.46829595436757, "distance_from_ma50_pct": -6.845149398930528, "volatility_20d_pct": 32.62462101640031, "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": 86.6, "change_1d_pct": -4.309392265193379, "distance_from_ma200_pct": 14.56109936323342, "distance_from_ma50_pct": 14.620006882494629, "volatility_20d_pct": 84.22093402997464, "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": "BIG_CFD.FR", "name": "Bigben Interactive", "sector": "", "last_price": 0.453, "change_1d_pct": -23.479729729729726, "distance_from_ma200_pct": -59.278885697719886, "distance_from_ma50_pct": -48.13254253589503, "volatility_20d_pct": 12310.872493995772, "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": "BTRW_CFD.UK", "name": "Barratt Redrow Plc", "sector": "", "last_price": 377.4, "change_1d_pct": 0.9090909090909038, "distance_from_ma200_pct": -5.28549121293298, "distance_from_ma50_pct": -0.5047525194126434, "volatility_20d_pct": 106.95952062178588, "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": "TCAP_CFD.UK", "name": "TP ICAP GROUP PLC", "sector": "", "last_price": 257.0, "change_1d_pct": -3.018867924528301, "distance_from_ma200_pct": -4.028452389710213, "distance_from_ma50_pct": 0.0555171858003467, "volatility_20d_pct": 2720.691666816466, "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": 55.9, "change_1d_pct": -2.951388888888895, "distance_from_ma200_pct": 6.980220141944948, "distance_from_ma50_pct": -4.919036603619542, "volatility_20d_pct": 3048.7333361404435, "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": 296.0, "change_1d_pct": -2.950819672131144, "distance_from_ma200_pct": -32.400374766841246, "distance_from_ma50_pct": -4.086684898837378, "volatility_20d_pct": 8661.769059246726, "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": "COMPUTACENTER PLC", "sector": "", "last_price": 2978.0, "change_1d_pct": -2.679738562091505, "distance_from_ma200_pct": 17.35893991379911, "distance_from_ma50_pct": 2.4633877465073617, "volatility_20d_pct": 5338.29627811264, "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": 292.6, "change_1d_pct": -2.596537949400779, "distance_from_ma200_pct": -29.90308010801058, "distance_from_ma50_pct": -16.57176681381133, "volatility_20d_pct": 3853.0934438816757, "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": "MKS_CFD.UK", "name": "MARKS & SPENCER GROUP PLC", "sector": "", "last_price": 397.6, "change_1d_pct": -2.572898799313894, "distance_from_ma200_pct": 10.091859972346917, "distance_from_ma50_pct": 12.883416074757426, "volatility_20d_pct": 3230.9162818073323, "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": "WKP_CFD.UK", "name": "WORKSPACE GROUP PLC", "sector": "", "last_price": 412.5, "change_1d_pct": -2.4822695035460973, "distance_from_ma200_pct": -0.6645361918828807, "distance_from_ma50_pct": 3.1817499624793744, "volatility_20d_pct": 3857.1547460259226, "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": 414.2, "change_1d_pct": 3.3949076385421773, "distance_from_ma200_pct": -39.06661738447647, "distance_from_ma50_pct": -25.9812840942679, "volatility_20d_pct": 5563.010447162194, "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": -2.208201892744477, "distance_from_ma200_pct": -15.964222445414011, "distance_from_ma50_pct": -5.31484776634673, "volatility_20d_pct": 7423.017762834272, "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": 348.8, "change_1d_pct": -1.8570624648283518, "distance_from_ma200_pct": 20.24082637989966, "distance_from_ma50_pct": 7.964017771966869, "volatility_20d_pct": 3280.1806241206145, "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": "NVDA_CFD.US", "name": "NVIDIA Corporation", "sector": "", "last_price": 184.89, "change_1d_pct": -5.456125997136441, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -0.38415327338459093, "volatility_20d_pct": 4390.348323973547, "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": "ZBH_CFD.US", "name": "Zimmer Biomet Holdings Inc", "sector": "", "last_price": 98.75, "change_1d_pct": -0.5037783375314908, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 8.886228799601126, "volatility_20d_pct": 2195.2476425244195, "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": "PROX_CFD.BE", "name": "Proximus SA", "sector": "", "last_price": 6.98, "change_1d_pct": -15.700483091787431, "distance_from_ma200_pct": -3.6848812171029754, "distance_from_ma50_pct": -9.214589137486563, "volatility_20d_pct": 6302.953224859111, "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": "MKS_CFD.UK",
      "selection_reason": "Price dropped 2.57% in uptrend (MA200 +10%), offering a pullback entry.",
      "mean_reversion_score": 85
    },
    {
      "symbol": "PZC_CFD.UK",
      "selection_reason": "Significant 1-day drop of 4.3% while trading above long-term averages.",
      "mean_reversion_score": 82
    },
    {
      "symbol": "TCAP_CFD.UK",
      "selection_reason": "3% decline brings price to test MA50 support level.",
      "mean_reversion_score": 78
    },
    {
      "symbol": "CCC_CFD.UK",
      "selection_reason": "Tech stock pullback of 2.68% within a broader uptrend.",
      "mean_reversion_score": 75
    },
    {
      "symbol": "UKW_CFD.UK",
      "selection_reason": "Defensive renewable play down 2.16%, trading below MA200, potential value reversion.",
      "mean_reversion_score": 72
    }
  ],
  "rejected_common_reasons": [
    "Excessive 1-day volatility indicating binary/event risk (e.g., BIG_CFD.FR -23%, PROX_CFD.BE -15%, WPP_CFD.UK +12%)",
    "Insufficient volatility or price dislocation for mean reversion setup",
    "Non-EU region focus (US stocks excluded to align with EU mandate)"
  ]
}

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": "ATE_CFD.FR", "qty": 48.115477145148354, "avg_price": 62.35, "last_price": 62.35, "unrealized_pnl": 0.0, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "CABO_CFD.US", "qty": 31.71247357293869, "avg_price": 94.6, "last_price": 96.44, "unrealized_pnl": 58.3509513742073, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "HIK_CFD.UK", "qty": 2.1306818181818183, "avg_price": 1408.0, "last_price": 1342.0, "unrealized_pnl": -140.625, "opened_at": "2026-02-26T10:33:24.101894+00:00"}, {"symbol": "LIO_CFD.UK", "qty": 12.0, "avg_price": 250.0, "last_price": 270.0, "unrealized_pnl": 240.0, "opened_at": "2026-02-26T10:33:24.101894+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 32.48511099079589, "avg_price": 92.35, "last_price": 92.35, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "WIZZ_CFD.UK", "qty": 2.3094688221709005, "avg_price": 1299.0, "last_price": 1299.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T17:57:28.313088+00:00"}], "candidates": [{"symbol": "MKS_CFD.UK", "mean_reversion_score": 85, "selection_reason": "Price dropped 2.57% in uptrend (MA200 +10%), offering a pullback entry."}, {"symbol": "PZC_CFD.UK", "mean_reversion_score": 82, "selection_reason": "Significant 1-day drop of 4.3% while trading above long-term averages."}, {"symbol": "TCAP_CFD.UK", "mean_reversion_score": 78, "selection_reason": "3% decline brings price to test MA50 support level."}, {"symbol": "CCC_CFD.UK", "mean_reversion_score": 75, "selection_reason": "Tech stock pullback of 2.68% within a broader uptrend."}, {"symbol": "UKW_CFD.UK", "mean_reversion_score": 72, "selection_reason": "Defensive renewable play down 2.16%, trading below MA200, potential value 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": "Strong mean reversion score (85); 2.57% pullback in uptrend offers good entry.",
        "symbol": "MKS_CFD.UK",
        "position_size": 3000
      },
      {
        "reason": "High mean reversion score (82); significant 4.3% drop presents value opportunity.",
        "symbol": "PZC_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Position is flat; holding for mean reversion signal.",
        "symbol": "ATE_CFD.FR"
      },
      {
        "reason": "Slight unrealized profit; holding for further upside.",
        "symbol": "CABO_CFD.US"
      },
      {
        "reason": "Position in drawdown; holding for reversion to mean.",
        "symbol": "HIK_CFD.UK"
      },
      {
        "reason": "Profitable position; trend still favorable, holding.",
        "symbol": "LIO_CFD.UK"
      },
      {
        "reason": "Already hold full position size; candidate signal confirms holding.",
        "symbol": "UKW_CFD.UK"
      },
      {
        "reason": "Position is flat; holding for mean reversion signal.",
        "symbol": "WIZZ_CFD.UK"
      }
    ],
    "sell": []
  },
  "portfolio_rationale": "Current portfolio leverage is manageable (~1.8x), allowing for expansion. Selected top two candidates (MKS and PZC) based on high mean-reversion scores indicating attractive pullbacks. Existing positions are held as they are either flat, recovering, or profitable but not yet at exit targets. UKW is held rather than added to because the position size is already at the target limit."
}

{
  "selected_stocks": [
    {
      "symbol": "MKS_CFD.UK",
      "selection_reason": "Price dropped 2.57% in uptrend (MA200 +10%), offering a pullback entry.",
      "mean_reversion_score": 85
    },
    {
      "symbol": "PZC_CFD.UK",
      "selection_reason": "Significant 1-day drop of 4.3% while trading above long-term averages.",
      "mean_reversion_score": 82
    },
    {
      "symbol": "TCAP_CFD.UK",
      "selection_reason": "3% decline brings price to test MA50 support level.",
      "mean_reversion_score": 78
    },
    {
      "symbol": "CCC_CFD.UK",
      "selection_reason": "Tech stock pullback of 2.68% within a broader uptrend.",
      "mean_reversion_score": 75
    },
    {
      "symbol": "UKW_CFD.UK",
      "selection_reason": "Defensive renewable play down 2.16%, trading below MA200, potential value reversion.",
      "mean_reversion_score": 72
    }
  ],
  "rejected_common_reasons": [
    "Excessive 1-day volatility indicating binary/event risk (e.g., BIG_CFD.FR -23%, PROX_CFD.BE -15%, WPP_CFD.UK +12%)",
    "Insufficient volatility or price dislocation for mean reversion setup",
    "Non-EU region focus (US stocks excluded to align with EU mandate)"
  ]
}