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東洋証券 (8614.T) quant model fit

8614.T·金融(除く銀行)·jp-listed
computed asof 2026-10-01T02:33:09

Median hit rate and return when a model selected 東洋証券 (8614.T). Model: ml-factor-lgbm-9f-jp-growth. Model–stock fit, not a buy signal.

Median LONG hit rate is 0.35 (n=12). below a coin flip.Median LONG return is +45.0 bps.

read this first — not a buy signal

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.

Decomposes ml-factor-lgbm-9f-jp-growth — strategy verdict: marginal. 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.

Accuracy (median across grid)

metricmedianp25 – p75n
Hit rate · LONG0.35240.3100 – 0.391712
Hit rate · SHORT0.75000.1250 – 16
Avg return · LONG (bps)45.031.5 – 71.912
Avg return · SHORT (bps)101.14.3610 – 175.16
Selection rate · LONG0.00170.0015 – 0.002112
Selection rate · SHORT00 – 012

Hit rate ≈ 0.5 means the model's picks on this stock were near coin-flip. Returns in bps per trade (1 bps = 0.01%). Metrics with n = 0 are omitted.

PnL contribution

long
6.8267
short
0.3914
total
7.2181

Selected LONG 1498 / SHORT 17 times out of 871,680 appearances (0.172% LONG).

sum of per-trade decimal returns across all grid combos and retrain periods (0.01 = one trade returning 1%)

/ai/stocks/8614.T.md/v1/stocks/8614.T
Research, not investment advice. Metrics describe model–stock fit, not the stock's merit.