# ネポン (7985.T) — per-stock model accuracy

> 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.

- **Name**: ネポン
- **Sector**: 建設・資材
- **Universe**: jp-listed
- **Decomposes**: `ml-factor-lgbm-9f-jp-growth` (strategy verdict: marginal) — https://qbuntu.ai/strategies/ml-factor-lgbm-9f-jp-growth
- **Computed asof**: 2026-10-01T02:33:09
- **HTML**: https://qbuntu.ai/stocks/7985.T
- **JSON**: https://qbuntu.ai/v1/stocks/7985.T
- **License**: CC-BY-4.0

## Accuracy (median across grid)

Median LONG hit rate is 0.2685 — below a coin flip.

| metric | median | p25 | p75 | n |
|---|---:|---:|---:|---:|
| hit_rate_long | 0.2685 | 0.0626 | 0.3692 | 12 |
| hit_rate_short | 0.9782 | 0.8734 | 0.9940 | 12 |
| avg_return_long_bps | -175.1 | -226.4 | -131.8 | 12 |
| avg_return_short_bps | 638.4 | 514.1 | 726.7 | 12 |
| selection_rate_long | 0.0097 | 0.0080 | 0.0128 | 12 |
| selection_rate_short | 0.0349 | 0.0276 | 0.0396 | 12 |

Hit rate ≈ 0.5 means the model's picks on this stock were near coin-flip. Returns in bps/trade. Metrics with n = 0 are omitted; n < 5 is a thin sample.

## PnL contribution

- long: -5.8245
- short: 82.1
- total: 76.3
- appearances: LONG 440 / SHORT 1454 of 41472

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Research, not investment advice. These metrics describe model–stock fit, not the stock's merit.
Cite as: qbuntu (2026). 7985.T per-stock accuracy. https://qbuntu.ai/stocks/7985.T