Peer pair correlation and diversification effect
Does holding two companies together just double up on the same price risk?
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サンプルJSON
仕様JSON
サンプル基準日
0700.HK Tencent Holdings | Hang Seng Index | 2025-10-16 – 2026-10-16 | HKD
- Highest item: Sample company E
- 0.43
- Lowest item: Sample company C
- 0.15
- Average
- 0.32
- Number of items
- 5 items
Peer correlation matrix
Return correlation coefficient (-1 to 1) (マトリクス)
Common sample size
Valid common trading days (days) (棒)
Low-correlation pairs
Return correlation coefficient (-1 to 1) and Valid common trading days (days) (表)
サンプルデータ行
| Peer stocks | Return correlation coefficient (-1 to 1) | Valid common trading days (days) | Data date (sample) |
|---|---|---|---|
| Sample company A | 0.38 | 13 | 2026-10-16 |
| Sample company B | 0.27 | 15 | 2026-10-16 |
| Sample company C | 0.15 | 15 | 2026-10-16 |
| Sample company D | 0.35 | 6 | 2026-10-16 |
| Sample company E | 0.43 | 6 | 2026-10-16 |