{"schema_version":"v1","type":"per_stock_model_accuracy","ticker":"6324.T","universe":"jp-listed","name":"ハーモニック・ドライブ・システムズ","sector":"機械","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":0.382,"p75":0.4698,"median":0.4241},"hit_rate_short":{"n":12,"p25":0.3034,"p75":0.4869,"median":0.357},"avg_return_long_bps":{"n":12,"p25":-124.3666,"p75":-34.9742,"median":-59.4662},"selection_rate_long":{"n":12,"p25":0.0048,"p75":0.0066,"median":0.0054},"avg_return_short_bps":{"n":12,"p25":-426.8951,"p75":-250.7818,"median":-286.6172},"selection_rate_short":{"n":12,"p25":0.0011,"p75":0.0024,"median":0.002}},"selection_counts":{"n_long_total":5048,"n_short_total":1655,"n_appearances_total":871680},"pnl_contribution":{"long":-41.0198,"short":-55.8658,"total":-96.8856},"_links":{"self":"https://qbuntu.ai/v1/stocks/6324.T","html":"https://qbuntu.ai/stocks/6324.T","markdown":"https://qbuntu.ai/ai/stocks/6324.T.md"},"license":"CC-BY-4.0"}