Arena run #135

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": "DSY_CFD.FR", "name": "Dassault Systemes SA", "sector": "", "last_price": 17.881, "change_1d_pct": -1.6554834451655398, "distance_from_ma200_pct": -34.637393069757884, "distance_from_ma50_pct": -22.617996627925898, "volatility_20d_pct": 136.7518220483471, "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": "FTK_CFD.DE", "name": "", "sector": "", "last_price": 33.396, "change_1d_pct": -9.010162657003518, "distance_from_ma200_pct": 11.581584427760138, "distance_from_ma50_pct": -9.535209916995369, "volatility_20d_pct": 84.74830613354514, "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": 305.0, "change_1d_pct": 4.2735042735042805, "distance_from_ma200_pct": -30.344980756373573, "distance_from_ma50_pct": -1.1704016694101371, "volatility_20d_pct": 159.9931345477538, "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": "RIVN_CFD.US", "name": "Rivian Automotive Inc", "sector": "", "last_price": 18.26, "change_1d_pct": 18.88020833333335, "distance_from_ma200_pct": 22.82483671561275, "distance_from_ma50_pct": 3.91531982699751, "volatility_20d_pct": 153.53412458433212, "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": "", "sector": "", "last_price": 1410.0, "change_1d_pct": -1.6050244242847178, "distance_from_ma200_pct": 12.438563987291552, "distance_from_ma50_pct": 10.005010299121553, "volatility_20d_pct": 107.14174850053962, "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": "DIM_CFD.FR", "name": "Sartorius Stedim Biotech SA", "sector": "", "last_price": 174.3, "change_1d_pct": 0.17241379310346527, "distance_from_ma200_pct": -9.882090564879785, "distance_from_ma50_pct": -13.770141573299632, "volatility_20d_pct": 74.92390271465962, "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": "IWG_CFD.UK", "name": "IWG PLC", "sector": "", "last_price": 224.0, "change_1d_pct": -7.361455748552526, "distance_from_ma200_pct": 4.848984696728986, "distance_from_ma50_pct": -3.5089986474029167, "volatility_20d_pct": 99.60824559726845, "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": "MAU_CFD.FR", "name": "", "sector": "", "last_price": 7.735, "change_1d_pct": 6.91085003455425, "distance_from_ma200_pct": 49.39339714018356, "distance_from_ma50_pct": 29.856394105342332, "volatility_20d_pct": 69.24306208886863, "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": 423.0, "change_1d_pct": 3.6764705882353033, "distance_from_ma200_pct": 1.8640028868691871, "distance_from_ma50_pct": 5.808194506978848, "volatility_20d_pct": 70.2233148398582, "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": "BLDR_CFD.US", "name": "Builders FirstSource Inc", "sector": "", "last_price": 117.9, "change_1d_pct": -8.08450923832541, "distance_from_ma200_pct": -1.8894804552860633, "distance_from_ma50_pct": 3.194748358862154, "volatility_20d_pct": 85.68629405896507, "market_cap_usd": null, "avg_daily_volume_usd": null, 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{"symbol": "EDP_CFD.PT", "name": "EDP-Energias De Portugal S.A.", "sector": "", "last_price": 4.236, "change_1d_pct": -3.155006858710563, "distance_from_ma200_pct": 8.888443327112604, "distance_from_ma50_pct": 3.889224068160746, "volatility_20d_pct": 32.78994661901933, "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": "HFG_CFD.DE", "name": "", "sector": "", "last_price": 5.177, "change_1d_pct": -8.468882602545968, "distance_from_ma200_pct": -31.412067475051263, "distance_from_ma50_pct": -9.778498109130195, "volatility_20d_pct": 126.58358777217298, "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": "MLCO_CFD.US", "name": "", "sector": "", "last_price": 5.6, "change_1d_pct": -11.251980982567355, "distance_from_ma200_pct": -28.984478035913565, "distance_from_ma50_pct": -21.29525522824376, "volatility_20d_pct": 102.89345949241407, "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": "ADLER GROUP SA", "sector": "", "last_price": 0.191, "change_1d_pct": 9.142857142857142, "distance_from_ma200_pct": -10.395946706699188, "distance_from_ma50_pct": -2.421579646469818, "volatility_20d_pct": 294.3802301494004, "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": "IPR_CFD.PT", "name": "Impresa SGPS SA", "sector": "", "last_price": 0.191, "change_1d_pct": -4.975124378109452, "distance_from_ma200_pct": 27.083402641471753, "distance_from_ma50_pct": -6.12405386808218, "volatility_20d_pct": 429.02488113454956, "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": "LOTB_CFD.BE", "name": "", "sector": "", "last_price": 10400.0, "change_1d_pct": -1.5151515151515138, "distance_from_ma200_pct": 22.048705128282343, "distance_from_ma50_pct": 19.869250310046404, "volatility_20d_pct": 153.1429616770747, "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": 134.3, "change_1d_pct": -0.37091988130564246, "distance_from_ma200_pct": -37.755561966933506, "distance_from_ma50_pct": -25.763535579331855, "volatility_20d_pct": 8071.894412527361, "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": "AAL_CFD.UK", "name": "ANGLO AMERICAN PLC", "sector": "", "last_price": 3604.0, "change_1d_pct": 1.549732318963093, "distance_from_ma200_pct": 36.22533469561186, "distance_from_ma50_pct": 12.006820357593885, "volatility_20d_pct": 94.34233416580979, "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": "J_CFD.US", "name": "", "sector": "", "last_price": 134.62, "change_1d_pct": -11.165368879503756, "distance_from_ma200_pct": -4.1219649513149275, "distance_from_ma50_pct": -2.308259458580797, "volatility_20d_pct": 71.60679701028992, "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": "TRI_CFD.FR", "name": "", "sector": "", "last_price": 170.9, "change_1d_pct": 0.8259587020648995, "distance_from_ma200_pct": 12.255904576832188, "distance_from_ma50_pct": -0.4238831189640302, "volatility_20d_pct": 48.340105610829056, "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": "EXPO_CFD.US", "name": "Exponent Inc", "sector": "", "last_price": 67.79, "change_1d_pct": -11.743262596016136, "distance_from_ma200_pct": -6.418653320384616, "distance_from_ma50_pct": -7.0707901518890175, "volatility_20d_pct": 92.11453378932266, "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": "GRI_CFD.UK", "name": "", "sector": "", "last_price": 192.4, "change_1d_pct": 0.08322929671245038, "distance_from_ma200_pct": -4.9312468607917275, "distance_from_ma50_pct": 0.9128310349964197, "volatility_20d_pct": 71.43116862190418, "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": 1725.0, "change_1d_pct": -13.18570709612481, "distance_from_ma200_pct": -14.958295918064756, "distance_from_ma50_pct": -12.167853189864985, "volatility_20d_pct": 71.84705535187696, "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": "LSS_CFD.FR",
      "selection_reason": "Sharp selloff -13.0%, stretched -13.4% below MA50, high vol 99.8%",
      "mean_reversion_score": 88
    },
    {
      "symbol": "ICG_CFD.UK",
      "selection_reason": "Heavy selling -13.2%, compressed -12.2% below MA50, moderate vol 71.9%",
      "mean_reversion_score": 85
    },
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "Large gap down -12.7%, deeply oversold -14.3% vs MA50, vol 87.8%",
      "mean_reversion_score": 84
    },
    {
      "symbol": "PAGE_CFD.UK",
      "selection_reason": "Significant drop -11.0%, below MA50 -8.4%, vol 112.7%",
      "mean_reversion_score": 80
    },
    {
      "symbol": "HFG_CFD.DE",
      "selection_reason": "Strong decline -8.5%, deeply oversold -9.8% vs MA50 and -31.4% vs MA200, vol 126.6%",
      "mean_reversion_score": 78
    }
  ],
  "rejected_common_reasons": [
    "Extreme volatility (>200% 20d) indicating potential binary/event-driven moves",
    "Strong upward momentum, extended above moving averages",
    "Insufficient deviation from short-term mean (<5% from MA50)",
    "Mixed signals: trading above one MA while below another",
    "Minimal daily price movement (<3% absolute change)",
    "Sector concentration constraint could not be applied (sector data missing)"
  ]
}

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": [], "candidates": [{"symbol": "LSS_CFD.FR", "mean_reversion_score": 88, "selection_reason": "Sharp selloff -13.0%, stretched -13.4% below MA50, high vol 99.8%"}, {"symbol": "ICG_CFD.UK", "mean_reversion_score": 85, "selection_reason": "Heavy selling -13.2%, compressed -12.2% below MA50, moderate vol 71.9%"}, {"symbol": "BYIT_CFD.UK", "mean_reversion_score": 84, "selection_reason": "Large gap down -12.7%, deeply oversold -14.3% vs MA50, vol 87.8%"}, {"symbol": "PAGE_CFD.UK", "mean_reversion_score": 80, "selection_reason": "Significant drop -11.0%, below MA50 -8.4%, vol 112.7%"}, {"symbol": "HFG_CFD.DE", "mean_reversion_score": 78, "selection_reason": "Strong decline -8.5%, deeply oversold -9.8% vs MA50 and -31.4% vs MA200, vol 126.6%"}], "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 mean-reversion score (88) after -13.0% selloff, -13.4% below MA50, high volume 99.8% - extreme oversold conditions",
        "symbol": "LSS_CFD.FR",
        "position_size": 3000
      },
      {
        "reason": "Second highest score (85) on -13.2% decline, -12.2% below MA50, vol 71.9% - deeply oversold with bounce potential",
        "symbol": "ICG_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [],
    "sell": []
  },
  "portfolio_rationale": "Initiating 2 new positions in highest-ranked EU mean-reversion candidates. Portfolio was empty; selecting LSS_CFD.FR (score 88) and ICG_CFD.UK (score 85) based on sharp selloffs, significant deviation from MA50, and elevated volume indicating potential selling exhaustion. Fixed position size of 3000 each keeps gross leverage at 0.6x, well under 3.0x limit. No sell/hold actions required."
}

{
  "selected_stocks": [
    {
      "symbol": "LSS_CFD.FR",
      "selection_reason": "Sharp selloff -13.0%, stretched -13.4% below MA50, high vol 99.8%",
      "mean_reversion_score": 88
    },
    {
      "symbol": "ICG_CFD.UK",
      "selection_reason": "Heavy selling -13.2%, compressed -12.2% below MA50, moderate vol 71.9%",
      "mean_reversion_score": 85
    },
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "Large gap down -12.7%, deeply oversold -14.3% vs MA50, vol 87.8%",
      "mean_reversion_score": 84
    },
    {
      "symbol": "PAGE_CFD.UK",
      "selection_reason": "Significant drop -11.0%, below MA50 -8.4%, vol 112.7%",
      "mean_reversion_score": 80
    },
    {
      "symbol": "HFG_CFD.DE",
      "selection_reason": "Strong decline -8.5%, deeply oversold -9.8% vs MA50 and -31.4% vs MA200, vol 126.6%",
      "mean_reversion_score": 78
    }
  ],
  "rejected_common_reasons": [
    "Extreme volatility (>200% 20d) indicating potential binary/event-driven moves",
    "Strong upward momentum, extended above moving averages",
    "Insufficient deviation from short-term mean (<5% from MA50)",
    "Mixed signals: trading above one MA while below another",
    "Minimal daily price movement (<3% absolute change)",
    "Sector concentration constraint could not be applied (sector data missing)"
  ]
}