{"schema_version":"v1","type":"per_stock_model_accuracy","ticker":"7932.T","universe":"jp-listed","name":"ニッピ","sector":"情報通信・サービスその他","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":0.2905,"p75":0.4554,"median":0.3808},"hit_rate_short":{"n":5,"p25":0.1111,"p75":1,"median":0.4643},"avg_return_long_bps":{"n":12,"p25":-118.482,"p75":-7.6449,"median":-55.5308},"selection_rate_long":{"n":12,"p25":0.0015,"p75":0.0036,"median":0.0026},"avg_return_short_bps":{"n":5,"p25":-248.4534,"p75":170.5416,"median":-74.5214},"selection_rate_short":{"n":12,"p25":0,"p75":0.0001,"median":0}},"selection_counts":{"n_long_total":1124,"n_short_total":66,"n_appearances_total":408576},"pnl_contribution":{"long":-6.7186,"short":-1.1549,"total":-7.8735},"_links":{"self":"https://qbuntu.ai/v1/stocks/7932.T","html":"https://qbuntu.ai/stocks/7932.T","markdown":"https://qbuntu.ai/ai/stocks/7932.T.md"},"license":"CC-BY-4.0"}