Look-ahead bias timing audit
Was each signal input already published at the time?
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Sample JSON
Specification JSON
Sample as of
0700.HK Tencent Holdings | Hang Seng Index | 2025-10-16 – 2026-10-16 | HKD
- Highest item: Sample G
- 10 hours
- Lowest item: Sample B
- 2 hours
- Average
- 6 hours
- Number of items
- 8 items
Look-ahead bias timing audit
Timing gap (hours / days) (Table)
Benchmark / after-cost return (%)
Benchmark / after-cost return (%) (Bar)
Event detail and data date
Share of Timing gap (hours / days) (Donut)
Sample data rows
| Symbol/event/scenario | Timing gap (hours / days) | Benchmark / after-cost return (%) | Data date (sample) |
|---|---|---|---|
| Sample A | 5 | 1.33 | 2026-10-16 |
| Sample B | 2 | 3.24 | 2026-10-16 |
| Sample C | 5 | 37.42 | 2026-10-16 |
| Sample D | 5 | 5.54 | 2026-10-16 |
| Sample E | 3 | 14.68 | 2026-10-16 |
| Sample F | 9 | 4.97 | 2026-10-16 |
| Sample G | 10 | 3.05 | 2026-10-16 |
| Sample H | 7 | 11.78 | 2026-10-16 |