{"schema_version":"v1","type":"per_stock_model_accuracy","ticker":"7807.T","universe":"jp-listed","name":"幸和製作所","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":0.2152,"p75":0.4523,"median":0.3169},"hit_rate_short":{"n":12,"p25":0.3357,"p75":0.9758,"median":0.7386},"avg_return_long_bps":{"n":12,"p25":-109.5741,"p75":31.7142,"median":-52.4248},"selection_rate_long":{"n":12,"p25":0.0097,"p75":0.0214,"median":0.0133},"avg_return_short_bps":{"n":12,"p25":-270.5345,"p75":369.2699,"median":99.0773},"selection_rate_short":{"n":12,"p25":0.0022,"p75":0.0067,"median":0.0034}},"selection_counts":{"n_long_total":1168,"n_short_total":353,"n_appearances_total":75264},"pnl_contribution":{"long":-4.3733,"short":-0.3955,"total":-4.7687},"_links":{"self":"https://qbuntu.ai/v1/stocks/7807.T","html":"https://qbuntu.ai/stocks/7807.T","markdown":"https://qbuntu.ai/ai/stocks/7807.T.md"},"license":"CC-BY-4.0"}