{"schema_version":"v1","type":"per_stock_model_accuracy","ticker":"9878.T","universe":"jp-listed","name":"セキド","sector":"小売","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":0.188,"p75":0.3801,"median":0.2864},"hit_rate_short":{"n":12,"p25":0.0217,"p75":0.1128,"median":0.054},"avg_return_long_bps":{"n":12,"p25":-206.0001,"p75":-85.359,"median":-170.2844},"selection_rate_long":{"n":12,"p25":0.008,"p75":0.0129,"median":0.0116},"avg_return_short_bps":{"n":12,"p25":-624.7107,"p75":-391.9262,"median":-473.5029},"selection_rate_short":{"n":12,"p25":0.0055,"p75":0.0123,"median":0.0083}},"selection_counts":{"n_long_total":1572,"n_short_total":1264,"n_appearances_total":144384},"pnl_contribution":{"long":-22.2321,"short":-62.8756,"total":-85.1077},"_links":{"self":"https://qbuntu.ai/v1/stocks/9878.T","html":"https://qbuntu.ai/stocks/9878.T","markdown":"https://qbuntu.ai/ai/stocks/9878.T.md"},"license":"CC-BY-4.0"}