2231 為升本益比(PER)
| 年度/月份 | 本益比(倍) | 月收盤價 |
|---|
| 2026/05 | 59.30 | 118.00 |
| 2026/04 | 60.55 | 120.50 |
| 2026/03 | 62.31 | 124.00 |
| 2026/02 | 47.94 | 95.40 |
| 2026/01 | 46.48 | 92.50 |
| 2025/12 | 46.68 | 92.90 |
| 2025/11 | 51.76 | 103.00 |
| 2025/10 | 51.01 | 101.50 |
| 2025/09 | 60.05 | 119.50 |
| 2025/08 | 54.77 | 109.00 |
| 2025/07 | 22.29 | 70.20 |
| 2025/06 | 22.03 | 69.40 |
| 2025/05 | 26.51 | 83.50 |
| 2025/04 | 26.65 | 89.80 |
| 2025/03 | 23.71 | 79.90 |
| 2025/02 | 28.34 | 95.50 |
| 2025/01 | 67.11 | 102.00 |
| 2024/12 | 70.07 | 106.50 |
| 2024/11 | 65.79 | 100.00 |
| 2024/10 | 52.49 | 97.10 |
| 2024/09 | 53.78 | 99.50 |
| 2024/08 | 54.32 | 100.50 |
| 2024/07 | 39.96 | 113.50 |
| 2024/06 | 41.73 | 118.50 |
| 2024/05 | 45.95 | 130.50 |
| 2024/04 | 35.00 | 112.00 |
| 2024/03 | 37.50 | 120.00 |
| 2024/02 | 40.16 | 128.50 |
| 2024/01 | 28.34 | 129.50 |
| 2023/12 | 29.43 | 134.50 |
| 2023/11 | 30.42 | 139.00 |
| 2023/10 | 27.99 | 131.00 |
| 2023/09 | 29.81 | 139.50 |
| 2023/08 | 32.37 | 151.50 |
| 2023/07 | 33.66 | 152.50 |
| 2023/06 | 35.98 | 163.00 |
| 2023/05 | 38.74 | 175.50 |
| 2023/04 | 37.34 | 175.50 |
| 2023/03 | 38.72 | 182.00 |
| 2023/02 | 33.62 | 158.00 |
| 2023/01 | 34.45 | 144.00 |
| 2022/12 | 33.01 | 138.00 |
| 2022/11 | 34.21 | 143.00 |
| 2022/10 | 33.33 | 139.00 |
| 2022/09 | 40.05 | 167.00 |
| 2022/08 | 40.05 | 167.00 |
| 2022/07 | 34.64 | 141.00 |
| 2022/06 | 32.06 | 130.50 |
| 2022/05 | 36.86 | 150.00 |
| 2022/04 | 32.62 | 138.00 |
| 2022/03 | 37.35 | 158.00 |
| 2022/02 | 36.88 | 156.00 |
| 2022/01 | 41.59 | 178.00 |
| 2021/12 | 44.04 | 188.50 |
| 2021/11 | 41.71 | 178.50 |
| 2021/10 | 45.36 | 171.00 |
| 2021/09 | 37.80 | 142.50 |
| 2021/08 | 40.58 | 153.00 |
| 2021/07 | 60.52 | 175.50 |
| 2021/06 | 71.21 | 206.50 |
| 2021/05 | 69.31 | 201.00 |
| 2021/04 | 115.76 | 235.00 |
| 2021/03 | 119.46 | 242.50 |
| 2021/02 | 96.55 | 196.00 |
| 2021/01 | - | 182.00 |