Survivorship bias in historical constituents
How much is overstated by using only stocks that still exist today?
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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 F
- 11.16 percentage points
- Lowest item: Sample G
- -13.65 percentage points
- Average
- -0.25 percentage points
- Number of items
- 8 items
Survivorship bias in historical constituents
Return difference (percentage points) (Bar)
Benchmark / after-cost return (%)
Benchmark / after-cost return (%) (Line)
Event detail and data date
Return difference (percentage points) and Benchmark / after-cost return (%) (Table)
Sample data rows
| Symbol/event/scenario | Return difference (percentage points) | Benchmark / after-cost return (%) | Data date (sample) |
|---|---|---|---|
| Sample A | -4.67 | 3.53 | 2026-10-16 |
| Sample B | 1.41 | 5.31 | 2026-10-16 |
| Sample C | 4.28 | 1.54 | 2026-10-16 |
| Sample D | 5.11 | 6.01 | 2026-10-16 |
| Sample E | 2.77 | 12.58 | 2026-10-16 |
| Sample F | 11.16 | 4.9 | 2026-10-16 |
| Sample G | -13.65 | 11.01 | 2026-10-16 |
| Sample H | -8.45 | 4.57 | 2026-10-16 |