{"schema_version":"v1","type":"per_stock_model_accuracy","ticker":"3409.T","universe":"jp-listed","name":"北紡","sector":"素材・化学","computed_asof":"2026-10-01T02:33:09","frame":"Model predictability decomposition: measures how accurately the ml-factor-lgbm-9f-jp-growth model family predicts this stock's returns within the jp-listed universe. High hit_rate_long does NOT mean 'good stock to buy' -- it means 'the model historically predicted this stock well when selecting it LONG'. This is a property of model-stock fit, not intrinsic stock quality.","source_strategy":{"note":"Standalone walk-forward run of the same LightGBM 9-factor family on the jp-listed universe (~4,100 tickers); the referenced record's verdict applies to the jp-growth universe only.","slug":"ml-factor-lgbm-9f-jp-growth","verdict":"marginal","relation":"model_family"},"source_strategy_exists":true,"units":{"pnl_cumul_*":"sum of per-trade decimal returns across all grid combos and retrain periods (0.01 = one trade returning 1%)","hit_rate_long":"ratio [0, 1] -- fraction of LONG selections with positive net return","hit_rate_short":"ratio [0, 1] -- fraction of SHORT selections with positive net return","avg_return_long_bps":"basis points per trade (1 bps = 0.01%) -- average net return when selected LONG","selection_rate_long":"ratio [0, 1] -- fraction of appearances where selected LONG","avg_return_short_bps":"basis points per trade (1 bps = 0.01%) -- average net return when selected SHORT","selection_rate_short":"ratio [0, 1] -- fraction of appearances where selected SHORT"},"accuracy_summary":{"hit_rate_long":{"n":12,"p25":0.2819,"p75":0.5383,"median":0.4234},"hit_rate_short":{"n":12,"p25":0.4454,"p75":0.5936,"median":0.4969},"avg_return_long_bps":{"n":12,"p25":-99.721,"p75":34.6926,"median":5.5591},"selection_rate_long":{"n":12,"p25":0.0123,"p75":0.0156,"median":0.0145},"avg_return_short_bps":{"n":12,"p25":-62.0547,"p75":150.5473,"median":45.3954},"selection_rate_short":{"n":12,"p25":0.0094,"p75":0.0128,"median":0.0103}},"selection_counts":{"n_long_total":2518,"n_short_total":1924,"n_appearances_total":172032},"pnl_contribution":{"long":-5.1529,"short":8.7766,"total":3.6237},"_links":{"self":"https://qbuntu.ai/v1/stocks/3409.T","html":"https://qbuntu.ai/stocks/3409.T","markdown":"https://qbuntu.ai/ai/stocks/3409.T.md"},"license":"CC-BY-4.0"}