Arena run #601
meanrev-v1 • amazon • amazon/nova-premier-v1 • EU • success
Run status
as_of: 2026-03-13T10:07:39.444598+00:00
started_at: 2026-03-13T12:47:57.527602+00:00
finished_at: 2026-03-13T12:48:44.534461+00:00
duration_ms: 47005
Inputs
{
"as_of": "2026-03-13T10:07:39.444598+00:00",
"dry_run": false,
"selected": [
{
"symbol": "UTG_CFD.UK",
"selection_reason": "-23.9% from MA200 with moderate volatility",
"mean_reversion_score": 75
},
{
"symbol": "ITV_CFD.UK",
"selection_reason": "+7.9% from MA200 with positive 1d change",
"mean_reversion_score": 68
},
{
"symbol": "OSB_CFD.UK",
"selection_reason": "+7.3% from MA200 with negative 1d reversal",
"mean_reversion_score": 65
},
{
"symbol": "REC_CFD.BE",
"selection_reason": "Near MA200 with -4.9% from MA50",
"mean_reversion_score": 62
},
{
"symbol": "SMIN_CFD.UK",
"selection_reason": "+14.9% from MA200 with stable 1d change",
"mean_reversion_score": 59
}
],
"simulate_only": false,
"strict_replay": false,
"universe_symbols": [
"JDW_CFD.UK",
"UTG_CFD.UK",
"KGF_CFD.UK",
"RHIM_CFD.UK",
"CBG_CFD.UK",
"DOM_CFD.UK",
"DLN_CFD.UK",
"SGRO_CFD.UK",
"OCDO_CFD.UK",
"SMIN_CFD.UK",
"CCC_CFD.UK",
"ITV_CFD.UK",
"IPR_CFD.PT",
"ANTO_CFD.UK",
"OSB_CFD.UK",
"IPO_CFD.UK",
"ATG_CFD.UK",
"VIV_CFD.FR",
"OLLI_CFD.US",
"BME_CFD.UK",
"ITRK_CFD.UK",
"CTT_CFD.PT",
"BYIT_CFD.UK",
"ODET_CFD.FR",
"XRAY_CFD.US",
"PSN_CFD.UK",
"FUTR_CFD.UK",
"UBI_CFD.FR",
"CAKE_CFD.US",
"SAM_CFD.US",
"DPLM_CFD.UK",
"IP_CFD.US",
"SEM_CFD.PT",
"SMG_CFD.US",
"IGG_CFD.UK",
"REC_CFD.BE",
"CTAS_CFD.US",
"DKNG_CFD.US",
"AAP_CFD.US",
"EVR_CFD.US",
"XRX_CFD.US"
]
}Outputs
{
"actions": {
"buy": [
{
"reason": "Strong mean-reversion candidate with positive 1d change",
"symbol": "ITV_CFD.UK",
"position_size": 3000
},
{
"reason": "Moderate mean-reversion candidate with negative 1d reversal",
"symbol": "OSB_CFD.UK",
"position_size": 3000
}
],
"hold": [
{
"reason": "Profitable position with no reversal signal",
"symbol": "AKAM_CFD.US"
},
{
"reason": "Flat position with no clear trend",
"symbol": "BYIT_CFD.UK"
},
{
"reason": "Flat position with no clear trend",
"symbol": "CBG_CFD.UK"
},
{
"reason": "Flat position with no clear trend",
"symbol": "DLN_CFD.UK"
},
{
"reason": "Profitable position with no reversal signal",
"symbol": "FUTR_CFD.UK"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "GNRC_CFD.US"
},
{
"reason": "Flat position with no clear trend",
"symbol": "HMSO_CFD.UK"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "KEX_CFD.US"
},
{
"reason": "Flat position with no clear trend",
"symbol": "LIO_CFD.UK"
},
{
"reason": "Profitable position with no reversal signal",
"symbol": "LXS_CFD.DE"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "PAGE_CFD.UK"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "SYNT_CFD.UK"
},
{
"reason": "Flat position with no clear trend",
"symbol": "TRN_CFD.UK"
},
{
"reason": "Profitable position with no reversal signal",
"symbol": "UKW_CFD.UK"
},
{
"reason": "Flat position with no clear trend",
"symbol": "UTG_CFD.UK"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "WIZZ_CFD.UK"
}
],
"sell": [
{
"reason": "Marginal unrealized loss with no recovery signs",
"symbol": "ADP_CFD.FR"
}
]
},
"portfolio_rationale": "Maintaining stable profitable positions while adding two EU-region mean-reversion candidates with strong/moderate scores. Closed ADP_CFD.FR due to persistent small losses. Kept existing flat positions without forced liquidations to avoid churn."
}Prompts & responses
#1187 • openrouter • amazon/nova-premier-v1 • 2026-03-13T12:47:57.561802+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": "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": "JDW_CFD.UK", "name": "", "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": "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": "CBG_CFD.UK", "name": "CLOSE BROTHERS GROUP PLC", "sector": "", "last_price": 497.8, "change_1d_pct": -5.89792060491493, "distance_from_ma200_pct": 15.793508864321094, "distance_from_ma50_pct": 3.592137485786795, "volatility_20d_pct": 116.76618625853061, "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": "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": "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": "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": "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": "CCC_CFD.UK", "name": "COMPUTACENTER PLC", "sector": "", "last_price": 3126.0, "change_1d_pct": -1.821608040201006, "distance_from_ma200_pct": 22.396205247786227, "distance_from_ma50_pct": 6.426296215091432, "volatility_20d_pct": 111.01536155240576, "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": "IPR_CFD.PT", "name": "Impresa SGPS SA", "sector": "", "last_price": 0.191, "change_1d_pct": -1.5463917525773252, "distance_from_ma200_pct": 22.683623984327326, "distance_from_ma50_pct": -0.44824351089336467, "volatility_20d_pct": 231.53569936782804, "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": "ANTO_CFD.UK", "name": "ANTOFAGASTA PLC", "sector": "", "last_price": 3707.0, "change_1d_pct": -7.463804293559662, "distance_from_ma200_pct": 36.7903871819252, "distance_from_ma50_pct": -1.2297285141753767, "volatility_20d_pct": 121.63746831360574, "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": "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": "VIV_CFD.FR", "name": "Vivendi", "sector": "", "last_price": 1.92, "change_1d_pct": -6.9316529326224, "distance_from_ma200_pct": -30.215188010096995, "distance_from_ma50_pct": -14.843036200580128, "volatility_20d_pct": 53.79526654753, "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": 107.77, "change_1d_pct": 2.912528647822765, "distance_from_ma200_pct": -11.640178670986955, "distance_from_ma50_pct": -2.7736177921482863, "volatility_20d_pct": 83.55761586158985, "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": 187.88, "change_1d_pct": 1.0107526881720341, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 7.318666981973787, "volatility_20d_pct": 3503.713036055361, "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": "ITRK_CFD.UK", "name": "INTERTEK GROUP PLC", "sector": "", "last_price": 4052.0, "change_1d_pct": -12.256388046773491, "distance_from_ma200_pct": -14.431208382751315, "distance_from_ma50_pct": -13.55643708647305, "volatility_20d_pct": 87.55966250200157, "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": "CTT_CFD.PT", "name": "CTT Correios de Portugal SA", "sector": "", "last_price": 6.71, "change_1d_pct": -5.890603085553991, "distance_from_ma200_pct": -8.192423754218382, "distance_from_ma50_pct": -5.514250309789337, "volatility_20d_pct": 54.96528242138245, "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": "ODET_CFD.FR", "name": "Compagnie de L'Odet SA", "sector": "", "last_price": 1140.0, "change_1d_pct": -3.5532994923857864, "distance_from_ma200_pct": -17.193205593562645, "distance_from_ma50_pct": -11.999374670644148, "volatility_20d_pct": 51.445562252087285, "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": "XRAY_CFD.US", "name": "DENTSPLY SIRONA INC", "sector": "", "last_price": 12.11, "change_1d_pct": -2.41740531829171, "distance_from_ma200_pct": -9.395960601084107, "distance_from_ma50_pct": -4.4229069326935155, "volatility_20d_pct": 135.08491367502785, "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": "PSN_CFD.UK", "name": "PERSIMMON PLC", "sector": "", "last_price": 1215.0, "change_1d_pct": -4.028436018957349, "distance_from_ma200_pct": -3.99267973814893, "distance_from_ma50_pct": -13.258759187610803, "volatility_20d_pct": 5068.302850888294, "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": "UBI_CFD.FR", "name": "UBISoft Entertainment", "sector": "", "last_price": 4.008, "change_1d_pct": -1.4749262536873031, "distance_from_ma200_pct": -47.12882336568307, "distance_from_ma50_pct": -15.871843095110162, "volatility_20d_pct": 88.0386039515485, "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": "CAKE_CFD.US", "name": "The Cheesecake Factory", "sector": "", "last_price": 58.67, "change_1d_pct": -0.03407735559719516, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 6.101899055807025, "volatility_20d_pct": 3746.4534566597217, "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": "SAM_CFD.US", "name": "BOSTON BEER COMPANY INC-A", "sector": "", "last_price": 233.94, "change_1d_pct": 2.421084891204406, "distance_from_ma200_pct": 9.731712202153254, "distance_from_ma50_pct": 4.95214031662401, "volatility_20d_pct": 79.36221137969785, "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": "IP_CFD.US", "name": "", "sector": "", "last_price": 36.26, "change_1d_pct": -2.3694130317716833, "distance_from_ma200_pct": -19.028520897162203, "distance_from_ma50_pct": -15.584899335108847, "volatility_20d_pct": 99.695270598368, "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": "SEM_CFD.PT", "name": "Semapa-Sociedade de Investimento e Gestao SGPS SA", "sector": "", "last_price": 21.7, "change_1d_pct": -11.247443762781185, "distance_from_ma200_pct": 17.581463092695905, "distance_from_ma50_pct": -2.3880296236586385, "volatility_20d_pct": 136.98539315944544, "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": "SMG_CFD.US", "name": "", "sector": "", "last_price": 60.81, "change_1d_pct": -4.671578617338135, "distance_from_ma200_pct": -0.7161790504770282, "distance_from_ma50_pct": -6.188388402595435, "volatility_20d_pct": 69.24280317479517, "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": "IGG_CFD.UK", "name": "IG GROUP HOLDINGS PLC", "sector": "", "last_price": 1356.0, "change_1d_pct": 3.1963470319634757, "distance_from_ma200_pct": 21.69129359819437, "distance_from_ma50_pct": 9.822701129829392, "volatility_20d_pct": 89.02278066392904, "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": "REC_CFD.BE", "name": "Recticel SA", "sector": "", "last_price": 9.8, "change_1d_pct": -8.411214953271017, "distance_from_ma200_pct": -0.022443941156069513, "distance_from_ma50_pct": -4.895550082197397, "volatility_20d_pct": 71.52218560526227, "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": "CTAS_CFD.US", "name": "CINTAS CORP", "sector": "", "last_price": 197.13, "change_1d_pct": -1.3856928464232143, "distance_from_ma200_pct": -2.5164580435790507, "distance_from_ma50_pct": 1.210334513170741, "volatility_20d_pct": 49.60168477525219, "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": "DKNG_CFD.US", "name": "DraftKings Inc", "sector": "", "last_price": 26.1, "change_1d_pct": 5.030181086519114, "distance_from_ma200_pct": -27.536433071150324, "distance_from_ma50_pct": -7.996221147473948, "volatility_20d_pct": 116.9283844890445, "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": "AAP_CFD.US", "name": "Advance Auto Parts Inc", "sector": "", "last_price": 53.67, "change_1d_pct": 7.254196642685851, "distance_from_ma200_pct": 1.5046019391218302, "distance_from_ma50_pct": 8.765700806167253, "volatility_20d_pct": 99.65303829765425, "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": "EVR_CFD.US", "name": "Evercore Partners Inc", "sector": "", "last_price": 322.28, "change_1d_pct": 0.9744023561111481, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -8.484519776578203, "volatility_20d_pct": 4416.9338688993075, "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": "XRX_CFD.US", "name": "Xerox Corp", "sector": "", "last_price": 1.74, "change_1d_pct": -7.4468085106382915, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -20.85920923018666, "volatility_20d_pct": 8133.737948232948, "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": "-23.9% from MA200 with moderate volatility",
"mean_reversion_score": 75
},
{
"symbol": "ITV_CFD.UK",
"selection_reason": "+7.9% from MA200 with positive 1d change",
"mean_reversion_score": 68
},
{
"symbol": "OSB_CFD.UK",
"selection_reason": "+7.3% from MA200 with negative 1d reversal",
"mean_reversion_score": 65
},
{
"symbol": "REC_CFD.BE",
"selection_reason": "Near MA200 with -4.9% from MA50",
"mean_reversion_score": 62
},
{
"symbol": "SMIN_CFD.UK",
"selection_reason": "+14.9% from MA200 with stable 1d change",
"mean_reversion_score": 59
}
],
"rejected_common_reasons": [
"Extreme 1d price movement >10%",
"Missing technical indicators",
"Overextended from moving averages >25%"
]
}#1188 • openrouter • amazon/nova-premier-v1 • 2026-03-13T12:48:15.706106+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": "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": "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": 30.783438510081577, "avg_price": 97.455, "last_price": 105.5, "unrealized_pnl": 247.65276281360633, "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": 6.547359231776517, "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": "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": 203.98, "unrealized_pnl": 49.63620053822376, "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": "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": "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": 124.59, "unrealized_pnl": 38.780487804878135, "opened_at": "2026-03-09T18:18:45.954380+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": 13.829, "unrealized_pnl": 157.30593607305937, "opened_at": "2026-03-06T10:33:43.857578+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 0.0, "avg_price": 217.0, "last_price": 204.3, "unrealized_pnl": 0.0, "opened_at": "2026-03-01T10:30:13.622938+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": "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": "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": 65.04065040650407, "avg_price": 184.5, "last_price": 184.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 64.97022198159178, "avg_price": 92.35, "last_price": 95.01, "unrealized_pnl": 172.82079047103483, "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": 887.0, "unrealized_pnl": 51.60550458715596, "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": "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": "-23.9% from MA200 with moderate volatility"}, {"symbol": "ITV_CFD.UK", "mean_reversion_score": 68, "selection_reason": "+7.9% from MA200 with positive 1d change"}, {"symbol": "OSB_CFD.UK", "mean_reversion_score": 65, "selection_reason": "+7.3% from MA200 with negative 1d reversal"}, {"symbol": "REC_CFD.BE", "mean_reversion_score": 62, "selection_reason": "Near MA200 with -4.9% from MA50"}, {"symbol": "SMIN_CFD.UK", "mean_reversion_score": 59, "selection_reason": "+14.9% from MA200 with stable 1d change"}], "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 candidate with positive 1d change",
"symbol": "ITV_CFD.UK",
"position_size": 3000
},
{
"reason": "Moderate mean-reversion candidate with negative 1d reversal",
"symbol": "OSB_CFD.UK",
"position_size": 3000
}
],
"hold": [
{
"reason": "Profitable position with no reversal signal",
"symbol": "AKAM_CFD.US"
},
{
"reason": "Flat position with no clear trend",
"symbol": "BYIT_CFD.UK"
},
{
"reason": "Flat position with no clear trend",
"symbol": "CBG_CFD.UK"
},
{
"reason": "Flat position with no clear trend",
"symbol": "DLN_CFD.UK"
},
{
"reason": "Profitable position with no reversal signal",
"symbol": "FUTR_CFD.UK"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "GNRC_CFD.US"
},
{
"reason": "Flat position with no clear trend",
"symbol": "HMSO_CFD.UK"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "KEX_CFD.US"
},
{
"reason": "Flat position with no clear trend",
"symbol": "LIO_CFD.UK"
},
{
"reason": "Profitable position with no reversal signal",
"symbol": "LXS_CFD.DE"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "PAGE_CFD.UK"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "SYNT_CFD.UK"
},
{
"reason": "Flat position with no clear trend",
"symbol": "TRN_CFD.UK"
},
{
"reason": "Profitable position with no reversal signal",
"symbol": "UKW_CFD.UK"
},
{
"reason": "Flat position with no clear trend",
"symbol": "UTG_CFD.UK"
},
{
"reason": "Marginal profit with no reversal signal",
"symbol": "WIZZ_CFD.UK"
}
],
"sell": [
{
"reason": "Marginal unrealized loss with no recovery signs",
"symbol": "ADP_CFD.FR"
}
]
},
"portfolio_rationale": "Maintaining stable profitable positions while adding two EU-region mean-reversion candidates with strong/moderate scores. Closed ADP_CFD.FR due to persistent small losses. Kept existing flat positions without forced liquidations to avoid churn."
}Selection logs
#591 • stage1 • 2026-03-13T12:48:15.702803+00:00
{
"selected_stocks": [
{
"symbol": "UTG_CFD.UK",
"selection_reason": "-23.9% from MA200 with moderate volatility",
"mean_reversion_score": 75
},
{
"symbol": "ITV_CFD.UK",
"selection_reason": "+7.9% from MA200 with positive 1d change",
"mean_reversion_score": 68
},
{
"symbol": "OSB_CFD.UK",
"selection_reason": "+7.3% from MA200 with negative 1d reversal",
"mean_reversion_score": 65
},
{
"symbol": "REC_CFD.BE",
"selection_reason": "Near MA200 with -4.9% from MA50",
"mean_reversion_score": 62
},
{
"symbol": "SMIN_CFD.UK",
"selection_reason": "+14.9% from MA200 with stable 1d change",
"mean_reversion_score": 59
}
],
"rejected_common_reasons": [
"Extreme 1d price movement >10%",
"Missing technical indicators",
"Overextended from moving averages >25%"
]
}