Arena run #691
meanrev-v1 • amazon • amazon/nova-premier-v1 • US • success
Run status
as_of: 2026-03-17T18:12:35.221859+00:00
started_at: 2026-03-17T19:38:11.221576+00:00
finished_at: 2026-03-17T19:38:52.867115+00:00
duration_ms: 41644
Inputs
{
"as_of": "2026-03-17T18:12:35.221859+00:00",
"dry_run": false,
"selected": [
{
"symbol": "UTG_CFD.UK",
"selection_reason": "-3.69% from MA50 and -23.93% from MA200",
"mean_reversion_score": 75
},
{
"symbol": "DLN_CFD.UK",
"selection_reason": "+5.07% from MA200 but +12.15% from MA50 (mixed signal)",
"mean_reversion_score": 70
},
{
"symbol": "ABDN_CFD.UK",
"selection_reason": "+3.66% from MA50 and +13.22% from MA200 (moderate overextension)",
"mean_reversion_score": 65
},
{
"symbol": "DOM_CFD.UK",
"selection_reason": "+4.43% from MA50 but -12.47% from MA200 (divergence)",
"mean_reversion_score": 68
},
{
"symbol": "IPO_CFD.UK",
"selection_reason": "+10.23% from MA200 but -2.03% from MA50 (contrarian signal)",
"mean_reversion_score": 62
}
],
"simulate_only": false,
"strict_replay": false,
"universe_symbols": [
"WTB_CFD.UK",
"ESNT_CFD.UK",
"SAFE_CFD.UK",
"JDW_CFD.UK",
"UTG_CFD.UK",
"IWG_CFD.UK",
"KGF_CFD.UK",
"RHIM_CFD.UK",
"RSW_CFD.UK",
"DLN_CFD.UK",
"MCG_CFD.UK",
"CCL_CFD.UK",
"SGRO_CFD.UK",
"ABDN_CFD.UK",
"OCDO_CFD.UK",
"ADJ_CFD.DE",
"DOCS_CFD.UK",
"VTY_CFD.UK",
"SMIN_CFD.UK",
"BBY_CFD.UK",
"MAB_CFD.UK",
"IMI_CFD.UK",
"DOM_CFD.UK",
"IPO_CFD.UK",
"ATG_CFD.UK",
"BME_CFD.UK",
"WKP_CFD.UK",
"HLMA_CFD.UK",
"FUTR_CFD.UK",
"DPLM_CFD.UK",
"DLTR_CFD.US",
"ASY_CFD.FR",
"CW_CFD.US",
"AAL_CFD.UK",
"CO_CFD.FR"
]
}Outputs
{
"actions": {
"buy": [
{
"reason": "Strong mean-reversion score (-3.69% from MA50)",
"symbol": "UTG_CFD.UK",
"position_size": 3000
}
],
"hold": [
{
"reason": "Small positive gain with no clear improvement opportunity",
"symbol": "ADBE_CFD.US"
},
{
"reason": "No price movement - maintain position",
"symbol": "BYIT_CFD.UK"
},
{
"reason": "Mixed signals and flat price - hold",
"symbol": "DLN_CFD.UK"
},
{
"reason": "Significant unrealized gain - hold for profit realization",
"symbol": "FICO_CFD.US"
},
{
"reason": "Positive gain with no clear improvement opportunity",
"symbol": "FUTR_CFD.UK"
},
{
"reason": "Small gain with no clear improvement opportunity",
"symbol": "GNRC_CFD.US"
},
{
"reason": "No price movement - maintain position",
"symbol": "HMSO_CFD.UK"
},
{
"reason": "Marginal positive gain - hold to avoid churn",
"symbol": "ITV_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "JDW_CFD.UK"
},
{
"reason": "Small gain with no clear improvement opportunity",
"symbol": "KEX_CFD.US"
},
{
"reason": "No price movement - maintain position",
"symbol": "KGF_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "LIO_CFD.UK"
},
{
"reason": "Moderate gain with no clear improvement opportunity",
"symbol": "LXS_CFD.DE"
},
{
"reason": "Small gain with no clear improvement opportunity",
"symbol": "NXST_CFD.US"
},
{
"reason": "No price movement - maintain position",
"symbol": "OCDO_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "OSB_CFD.UK"
},
{
"reason": "Marginal gain with no clear improvement opportunity",
"symbol": "PAGE_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "SGRO_CFD.UK"
},
{
"reason": "Small gain with no clear improvement opportunity",
"symbol": "SYNT_CFD.UK"
},
{
"reason": "Large unrealized gain - hold for profit realization",
"symbol": "TRN_CFD.UK"
},
{
"reason": "Moderate gain with no clear improvement opportunity",
"symbol": "UKW_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "UTG_CFD.UK"
},
{
"reason": "Moderate gain with no clear improvement opportunity",
"symbol": "WIZZ_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "WTB_CFD.UK"
}
],
"sell": [
{
"reason": "Negative unrealized PnL and low mean-reversion potential",
"symbol": "XRX_CFD.US"
}
]
},
"portfolio_rationale": "Maintained core holdings with positive gains while trimming XRX_CFD.US due to losses. Added UTG_CFD.UK based on strong mean-reversion potential while respecting max_buys_per_run constraint. Prioritized capital preservation and avoided overtrading per strategy rules."
}Prompts & responses
#1366 • openrouter • amazon/nova-premier-v1 • 2026-03-17T19:38:11.253424+00:00
System prompt
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).
User prompt
{"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": "WTB_CFD.UK", "name": "WHITBREAD PLC", "sector": "", "last_price": 2691.0, "change_1d_pct": 11.659751037344401, "distance_from_ma200_pct": -5.969827496214986, "distance_from_ma50_pct": -5.069507041577781, "volatility_20d_pct": 87.61035263352142, "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": "ESNT_CFD.UK", "name": "ESSENTRA PLC", "sector": "", "last_price": 108.4, "change_1d_pct": 4.230769230769238, "distance_from_ma200_pct": 7.40452119530135, "distance_from_ma50_pct": 9.771484932749797, "volatility_20d_pct": 98.9832071461764, "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": "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": "JDW_CFD.UK", "name": "WETHERSPOON (J.D.) PLC", "sector": "", "last_price": 748.5, "change_1d_pct": 9.750733137829904, "distance_from_ma200_pct": 6.242631058659898, "distance_from_ma50_pct": 5.290077328071208, "volatility_20d_pct": 98.2373545531062, "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": "IWG_CFD.UK", "name": "IWG PLC", "sector": "", "last_price": 205.4, "change_1d_pct": -16.5718927701056, "distance_from_ma200_pct": -4.40871742234894, "distance_from_ma50_pct": -10.856111173800208, "volatility_20d_pct": 135.80434164824575, "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": 347.0, "change_1d_pct": 2.6020106445890034, "distance_from_ma200_pct": 18.583930168759967, "distance_from_ma50_pct": 6.639688157278489, "volatility_20d_pct": 88.64906606382688, "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": "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": "DLN_CFD.UK", "name": "DERWENT LONDON PLC", "sector": "", "last_price": 1953.0, "change_1d_pct": 10.401356698699837, "distance_from_ma200_pct": 5.069478604951705, "distance_from_ma50_pct": 12.150447212111025, "volatility_20d_pct": 115.39088732649292, "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": "MCG_CFD.UK", "name": "MOBICO GROUP PLC", "sector": "", "last_price": 25.72, "change_1d_pct": 2.9623698959167166, "distance_from_ma200_pct": -7.132760074308242, "distance_from_ma50_pct": 8.327577202351844, "volatility_20d_pct": 232.19808875565576, "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": "CCL_CFD.UK", "name": "CARNIVAL PLC", "sector": "", "last_price": 1989.0, "change_1d_pct": -3.9594398841139578, "distance_from_ma200_pct": 4.932242734391812, "distance_from_ma50_pct": -4.47172238108916, "volatility_20d_pct": 163.30913338012496, "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": 789.8, "change_1d_pct": 5.166444740346199, "distance_from_ma200_pct": 16.137238395282736, "distance_from_ma50_pct": 8.124180991500651, "volatility_20d_pct": 71.28658783635437, "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": "ABDN_CFD.UK", "name": "Aberdeen Group Plc", "sector": "", "last_price": 215.2, "change_1d_pct": -0.6463527239150557, "distance_from_ma200_pct": 13.219747060140353, "distance_from_ma50_pct": 3.663782514155023, "volatility_20d_pct": 74.75396598460024, "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": "ADJ_CFD.DE", "name": "ADLER GROUP SA", "sector": "", "last_price": 0.192, "change_1d_pct": 3.7837837837837895, "distance_from_ma200_pct": -7.07579130771464, "distance_from_ma50_pct": 0.6289308176100628, "volatility_20d_pct": 281.9328754959748, "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": "DR. MARTENS PLC", "sector": "", "last_price": 65.6, "change_1d_pct": -1.501501501501501, "distance_from_ma200_pct": -13.08259339811949, "distance_from_ma50_pct": -12.14348468939509, "volatility_20d_pct": 121.2025974369199, "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": 403.2, "change_1d_pct": -44.21693414499169, "distance_from_ma200_pct": -35.825419675413826, "distance_from_ma50_pct": -36.113069725802745, "volatility_20d_pct": 213.0917779123437, "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": "SMIN_CFD.UK", "name": "SMITHS GROUP PLC", "sector": "", "last_price": 2544.0, "change_1d_pct": 1.4333845019038671, "distance_from_ma200_pct": 14.948150770494873, "distance_from_ma50_pct": 4.167383226889343, "volatility_20d_pct": 72.718462979927, "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": "BBY_CFD.UK", "name": "BALFOUR BEATTY PLC", "sector": "", "last_price": 759.18, "change_1d_pct": 5.222453222453205, "distance_from_ma200_pct": 33.313724414201815, "distance_from_ma50_pct": 8.832962232591, "volatility_20d_pct": 54.25956465831767, "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": "MAB_CFD.UK", "name": "MITCHELLS & BUTLERS PLC", "sector": "", "last_price": 292.81, "change_1d_pct": 14.37890625, "distance_from_ma200_pct": 11.595067041457764, "distance_from_ma50_pct": 10.935906392690597, "volatility_20d_pct": 118.87119977937589, "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": "IMI_CFD.UK", "name": "IMI PLC", "sector": "", "last_price": 2774.0, "change_1d_pct": 4.7583081570997, "distance_from_ma200_pct": 25.227479847754264, "distance_from_ma50_pct": 6.661876238540865, "volatility_20d_pct": 87.69330898337377, "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": 189.21, "change_1d_pct": 4.190528634361246, "distance_from_ma200_pct": -12.46581454882838, "distance_from_ma50_pct": 4.428944053991102, "volatility_20d_pct": 85.812071272284, "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": 57.6, "change_1d_pct": -1.873935264054516, "distance_from_ma200_pct": 10.233643652522883, "distance_from_ma50_pct": -2.027486732888828, "volatility_20d_pct": 89.82123635439407, "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": "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": "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": "HLMA_CFD.UK", "name": "HALMA PLC", "sector": "", "last_price": 3904.0, "change_1d_pct": 7.548209366391179, "distance_from_ma200_pct": 16.52280895184093, "distance_from_ma50_pct": 5.778818225170168, "volatility_20d_pct": 86.60562444492528, "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": "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": "DLTR_CFD.US", "name": "Dollar Tree Inc", "sector": "", "last_price": 115.79, "change_1d_pct": -0.10352859977568185, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -8.524831570032731, "volatility_20d_pct": 3589.913318697127, "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": "ASY_CFD.FR", "name": "Assystem SA", "sector": "", "last_price": 44.6, "change_1d_pct": 0.5636978579481422, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -1.1656251385010918, "volatility_20d_pct": 4780.971545500114, "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": "CW_CFD.US", "name": "Curtiss-Wright Corporation", "sector": "", "last_price": 684.22, "change_1d_pct": 1.96107650582662, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 13.161251227173265, "volatility_20d_pct": 4308.002175856081, "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": 3586.0, "change_1d_pct": 0.055803571428580945, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 11.748904636364198, "volatility_20d_pct": 4209.946938281094, "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": "CO_CFD.FR", "name": "Casino Guichard Perrachon", "sector": "", "last_price": 0.2196, "change_1d_pct": -3.0891438658429027, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -7.3057895892076345, "volatility_20d_pct": 3846.671951006259, "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"]}}Output JSON
{
"selected_stocks": [
{
"symbol": "UTG_CFD.UK",
"selection_reason": "-3.69% from MA50 and -23.93% from MA200",
"mean_reversion_score": 75
},
{
"symbol": "DLN_CFD.UK",
"selection_reason": "+5.07% from MA200 but +12.15% from MA50 (mixed signal)",
"mean_reversion_score": 70
},
{
"symbol": "ABDN_CFD.UK",
"selection_reason": "+3.66% from MA50 and +13.22% from MA200 (moderate overextension)",
"mean_reversion_score": 65
},
{
"symbol": "DOM_CFD.UK",
"selection_reason": "+4.43% from MA50 but -12.47% from MA200 (divergence)",
"mean_reversion_score": 68
},
{
"symbol": "IPO_CFD.UK",
"selection_reason": "+10.23% from MA200 but -2.03% from MA50 (contrarian signal)",
"mean_reversion_score": 62
}
],
"rejected_common_reasons": [
"Extreme 1-day returns (>10%)",
"Missing MA200 data",
"High volatility outliers (>150%)",
"Sector concentration limits"
]
}#1367 • openrouter • amazon/nova-premier-v1 • 2026-03-17T19:38:26.871179+00:00
System prompt
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.
User prompt
{"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": [{"symbol": "ADBE_CFD.US", "qty": 12.025494047380446, "avg_price": 249.47, "last_price": 254.91, "unrealized_pnl": 65.4186876177496, "opened_at": "2026-03-14T18:06:47.909233+00:00"}, {"symbol": "ADP_CFD.FR", "qty": 0.0, "avg_price": 117.5, "last_price": 115.1, "unrealized_pnl": -61.276595744680996, "opened_at": "2026-02-25T10:57:06.928276+00:00"}, {"symbol": "AKAM_CFD.US", "qty": 0.0, "avg_price": 97.455, "last_price": 107.67, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "BIG_CFD.FR", "qty": 0.0, "avg_price": 0.453, "last_price": 0.296, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}, {"symbol": "BRBY_CFD.UK", "qty": 0.0, "avg_price": 1119.08, "last_price": 1067.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T10:31:26.559356+00:00"}, {"symbol": "BRNL_CFD.NL", "qty": 0.0, "avg_price": 7.05, "last_price": 6.68, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T10:32:09.961595+00:00"}, {"symbol": "BTRW_CFD.UK", "qty": 0.0, "avg_price": 310.3, "last_price": 295.4, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T18:21:09.503139+00:00"}, {"symbol": "BT_CFD.UK", "qty": 0.0, "avg_price": 211.0, "last_price": 207.8, "unrealized_pnl": 0.0, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "BYIT_CFD.UK", "qty": 20.505809979494188, "avg_price": 292.6, "last_price": 292.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "CABO_CFD.US", "qty": 0.0, "avg_price": 94.6, "last_price": 111.495, "unrealized_pnl": 535.7822410147995, "opened_at": "2026-02-27T18:23:55.960577+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": "CCL_CFD.UK", "qty": 0.0, "avg_price": 1945.9999999999998, "last_price": 1842.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-06T18:02:13.212382+00:00"}, {"symbol": "CO_CFD.FR", "qty": 0.0, "avg_price": 0.171, "last_price": 0.165, "unrealized_pnl": 0.0, "opened_at": "2026-03-06T10:33:43.857578+00:00"}, {"symbol": "DLN_CFD.UK", "qty": 1.6556291390728477, "avg_price": 1812.0, "last_price": 1812.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-12T18:01:52.554929+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": "ERA_CFD.FR", "qty": 0.0, "avg_price": 47.4, "last_price": 46.329, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "ESTC_CFD.US", "qty": 0.0, "avg_price": 58.085, "last_price": 55.355000000000004, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "EXE_CFD.FR", "qty": 0.0, "avg_price": 37.303, "last_price": 35.843, "unrealized_pnl": 0.0, "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": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "FBIN_CFD.US", "qty": 0.0, "avg_price": 48.255, "last_price": 46.05, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T18:20:59.102726+00:00"}, {"symbol": "FICO_CFD.US", "qty": 2.6609662855571625, "avg_price": 1127.4099999999999, "last_price": 1215.05, "unrealized_pnl": 233.20708526623, "opened_at": "2026-03-14T18:06:47.909233+00:00"}, {"symbol": "FUTR_CFD.UK", "qty": 29.709178385970056, "avg_price": 403.9155793573515, "last_price": 414.2, "unrealized_pnl": 305.5416874687975, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "GNRC_CFD.US", "qty": 14.950662812718031, "avg_price": 200.66, "last_price": 204.87, "unrealized_pnl": 62.94229044154303, "opened_at": "2026-03-09T18:18:45.954380+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": "HAIN_CFD.US", "qty": 0.0, "avg_price": 0.8, "last_price": 0.8, "unrealized_pnl": 0.0, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "HELE_CFD.US", "qty": 0.0, "avg_price": 15.94, "last_price": 15.78, "unrealized_pnl": 0.0, "opened_at": "2026-03-16T18:18:58.833148+00:00"}, {"symbol": "HIK_CFD.UK", "qty": 0.0, "avg_price": 1409.0, "last_price": 1342.0, "unrealized_pnl": -142.65436479772887, "opened_at": "2026-02-26T10:33:24.101894+00:00"}, {"symbol": "HMSO_CFD.UK", "qty": 8.600917431192661, "avg_price": 348.8, "last_price": 348.8, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "IPO_CFD.UK", "qty": 0.0, "avg_price": 57.7, "last_price": 57.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "ITV_CFD.UK", "qty": 36.210018105009055, "avg_price": 82.85, "last_price": 83.15, "unrealized_pnl": 10.863005431503128, "opened_at": "2026-03-13T10:07:39.444598+00:00"}, {"symbol": "JDW_CFD.UK", "qty": 4.514672686230249, "avg_price": 664.5, "last_price": 664.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-15T10:35:48.762746+00:00"}, {"symbol": "KBCA_CFD.BE", "qty": 0.0, "avg_price": 75.3, "last_price": 75.1, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T10:57:06.928276+00:00"}, {"symbol": "KEX_CFD.US", "qty": 24.390243902439025, "avg_price": 123.0, "last_price": 125.23, "unrealized_pnl": 54.390243902439124, "opened_at": "2026-03-09T18:18:45.954380+00:00"}, {"symbol": "KGF_CFD.UK", "qty": 9.505703422053232, "avg_price": 315.6, "last_price": 315.6, "unrealized_pnl": 0.0, "opened_at": "2026-03-14T10:03:26.036362+00:00"}, {"symbol": "LIO_CFD.UK", "qty": 23.300970873786408, "avg_price": 257.5, "last_price": 257.5, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "LXS_CFD.DE", "qty": 228.31050228310502, "avg_price": 13.14, "last_price": 13.465, "unrealized_pnl": 74.20091324200897, "opened_at": "2026-03-06T10:33:43.857578+00:00"}, {"symbol": "NXST_CFD.US", "qty": 12.874431379280749, "avg_price": 233.02, "last_price": 239.54, "unrealized_pnl": 83.94129259291024, "opened_at": "2026-03-15T18:15:23.812047+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 14.684287812041115, "avg_price": 204.3, "last_price": 204.3, "unrealized_pnl": 0.0, "opened_at": "2026-03-01T10:30:13.622938+00:00"}, {"symbol": "OSB_CFD.UK", "qty": 10.743061772605193, "avg_price": 558.5, "last_price": 558.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-13T10:07:39.444598+00:00"}, {"symbol": "PAGE_CFD.UK", "qty": 39.39490073936085, "avg_price": 152.3039755753258, "last_price": 152.7, "unrealized_pnl": 15.601342900401843, "opened_at": "2026-02-22T09:32:59.506254+00:00"}, {"symbol": "REC_CFD.BE", "qty": 0.0, "avg_price": 11.08, "last_price": 10.68, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T18:21:09.503139+00:00"}, {"symbol": "RHIM_CFD.UK", "qty": 0.0, "avg_price": 2795.0, "last_price": 2550.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 0.0, "avg_price": 424.3, "last_price": 416.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "ROR_CFD.UK", "qty": 0.0, "avg_price": 315.64, "last_price": 309.4, "unrealized_pnl": 0.0, "opened_at": "2026-03-14T10:03:26.036362+00:00"}, {"symbol": "SGE_CFD.UK", "qty": 0.0, "avg_price": 795.4, "last_price": 813.4, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "SGRO_CFD.UK", "qty": 4.079412564590699, "avg_price": 735.4, "last_price": 735.4, "unrealized_pnl": 0.0, "opened_at": "2026-03-16T10:12:30.296045+00:00"}, {"symbol": "SYNT_CFD.UK", "qty": 326.0869565217392, "avg_price": 18.4, "last_price": 18.48, "unrealized_pnl": 26.086956521739737, "opened_at": "2026-03-03T18:03:34.247734+00:00"}, {"symbol": "TRN_CFD.UK", "qty": 97.56097560975611, "avg_price": 184.5, "last_price": 204.2, "unrealized_pnl": 1921.9512195121943, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 64.97022198159178, "avg_price": 92.35, "last_price": 96.7, "unrealized_pnl": 282.6204656199248, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "UMG_CFD.NL", "qty": 0.0, "avg_price": 19.085, "last_price": 18.665, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "UTG_CFD.UK", "qty": 11.881188118811881, "avg_price": 505.0, "last_price": 505.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-04T10:26:53.527562+00:00"}, {"symbol": "VTY_CFD.UK", "qty": 0.0, "avg_price": 427.6, "last_price": 406.1, "unrealized_pnl": 0.0, "opened_at": "2026-03-10T18:24:41.570614+00:00"}, {"symbol": "WIZZ_CFD.UK", "qty": 3.4403669724770642, "avg_price": 872.0, "last_price": 908.5, "unrealized_pnl": 125.57339449541284, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "WPP_CFD.UK", "qty": 0.0, "avg_price": 263.4, "last_price": 240.8, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "WTB_CFD.UK", "qty": 1.279317697228145, "avg_price": 2345.0, "last_price": 2345.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-13T18:17:31.188931+00:00"}, {"symbol": "XRX_CFD.US", "qty": 1923.076923076923, "avg_price": 1.56, "last_price": 1.52, "unrealized_pnl": -76.92307692307699, "opened_at": "2026-03-16T18:18:58.833148+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": "UTG_CFD.UK", "mean_reversion_score": 75, "selection_reason": "-3.69% from MA50 and -23.93% from MA200"}, {"symbol": "DLN_CFD.UK", "mean_reversion_score": 70, "selection_reason": "+5.07% from MA200 but +12.15% from MA50 (mixed signal)"}, {"symbol": "ABDN_CFD.UK", "mean_reversion_score": 65, "selection_reason": "+3.66% from MA50 and +13.22% from MA200 (moderate overextension)"}, {"symbol": "DOM_CFD.UK", "mean_reversion_score": 68, "selection_reason": "+4.43% from MA50 but -12.47% from MA200 (divergence)"}, {"symbol": "IPO_CFD.UK", "mean_reversion_score": 62, "selection_reason": "+10.23% from MA200 but -2.03% from MA50 (contrarian signal)"}], "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"}}Output JSON
{
"actions": {
"buy": [
{
"reason": "Strong mean-reversion score (-3.69% from MA50)",
"symbol": "UTG_CFD.UK",
"position_size": 3000
}
],
"hold": [
{
"reason": "Small positive gain with no clear improvement opportunity",
"symbol": "ADBE_CFD.US"
},
{
"reason": "No price movement - maintain position",
"symbol": "BYIT_CFD.UK"
},
{
"reason": "Mixed signals and flat price - hold",
"symbol": "DLN_CFD.UK"
},
{
"reason": "Significant unrealized gain - hold for profit realization",
"symbol": "FICO_CFD.US"
},
{
"reason": "Positive gain with no clear improvement opportunity",
"symbol": "FUTR_CFD.UK"
},
{
"reason": "Small gain with no clear improvement opportunity",
"symbol": "GNRC_CFD.US"
},
{
"reason": "No price movement - maintain position",
"symbol": "HMSO_CFD.UK"
},
{
"reason": "Marginal positive gain - hold to avoid churn",
"symbol": "ITV_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "JDW_CFD.UK"
},
{
"reason": "Small gain with no clear improvement opportunity",
"symbol": "KEX_CFD.US"
},
{
"reason": "No price movement - maintain position",
"symbol": "KGF_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "LIO_CFD.UK"
},
{
"reason": "Moderate gain with no clear improvement opportunity",
"symbol": "LXS_CFD.DE"
},
{
"reason": "Small gain with no clear improvement opportunity",
"symbol": "NXST_CFD.US"
},
{
"reason": "No price movement - maintain position",
"symbol": "OCDO_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "OSB_CFD.UK"
},
{
"reason": "Marginal gain with no clear improvement opportunity",
"symbol": "PAGE_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "SGRO_CFD.UK"
},
{
"reason": "Small gain with no clear improvement opportunity",
"symbol": "SYNT_CFD.UK"
},
{
"reason": "Large unrealized gain - hold for profit realization",
"symbol": "TRN_CFD.UK"
},
{
"reason": "Moderate gain with no clear improvement opportunity",
"symbol": "UKW_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "UTG_CFD.UK"
},
{
"reason": "Moderate gain with no clear improvement opportunity",
"symbol": "WIZZ_CFD.UK"
},
{
"reason": "No price movement - maintain position",
"symbol": "WTB_CFD.UK"
}
],
"sell": [
{
"reason": "Negative unrealized PnL and low mean-reversion potential",
"symbol": "XRX_CFD.US"
}
]
},
"portfolio_rationale": "Maintained core holdings with positive gains while trimming XRX_CFD.US due to losses. Added UTG_CFD.UK based on strong mean-reversion potential while respecting max_buys_per_run constraint. Prioritized capital preservation and avoided overtrading per strategy rules."
}Selection logs
#680 • stage1 • 2026-03-17T19:38:26.867474+00:00
{
"selected_stocks": [
{
"symbol": "UTG_CFD.UK",
"selection_reason": "-3.69% from MA50 and -23.93% from MA200",
"mean_reversion_score": 75
},
{
"symbol": "DLN_CFD.UK",
"selection_reason": "+5.07% from MA200 but +12.15% from MA50 (mixed signal)",
"mean_reversion_score": 70
},
{
"symbol": "ABDN_CFD.UK",
"selection_reason": "+3.66% from MA50 and +13.22% from MA200 (moderate overextension)",
"mean_reversion_score": 65
},
{
"symbol": "DOM_CFD.UK",
"selection_reason": "+4.43% from MA50 but -12.47% from MA200 (divergence)",
"mean_reversion_score": 68
},
{
"symbol": "IPO_CFD.UK",
"selection_reason": "+10.23% from MA200 but -2.03% from MA50 (contrarian signal)",
"mean_reversion_score": 62
}
],
"rejected_common_reasons": [
"Extreme 1-day returns (>10%)",
"Missing MA200 data",
"High volatility outliers (>150%)",
"Sector concentration limits"
]
}