{"schema_version":"v1","type":"per_stock_model_accuracy","ticker":"9115.T","universe":"jp-listed","name":"明海グループ","sector":"運輸・物流","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":0.3493,"p75":0.4526,"median":0.3999},"hit_rate_short":{"n":12,"p25":0.5965,"p75":0.7293,"median":0.6338},"avg_return_long_bps":{"n":12,"p25":-102.6827,"p75":42.6466,"median":21.7921},"selection_rate_long":{"n":12,"p25":0.0039,"p75":0.0082,"median":0.0054},"avg_return_short_bps":{"n":12,"p25":-39.3092,"p75":212.0705,"median":36.0411},"selection_rate_short":{"n":12,"p25":0.0048,"p75":0.0058,"median":0.0053}},"selection_counts":{"n_long_total":4368,"n_short_total":4014,"n_appearances_total":750336},"pnl_contribution":{"long":0.2806,"short":23.9333,"total":24.2139},"_links":{"self":"https://qbuntu.ai/v1/stocks/9115.T","html":"https://qbuntu.ai/stocks/9115.T","markdown":"https://qbuntu.ai/ai/stocks/9115.T.md"},"license":"CC-BY-4.0"}