| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Jun 1981 | HKD | 30.5 | 30.5 | 30 | 30.25 | 30.25 | +0.25 (+0.83%) | 183,250 |
| 19 Jun 1981 | HKD | 30.5 | 31 | 30 | 30 | 30 | -0.75 (-2.44%) | 156,200 |
| 18 Jun 1981 | HKD | 30 | 31 | 30 | 30.75 | 30.75 | +0.25 (+0.82%) | 223,500 |
| 17 Jun 1981 | HKD | 31.5 | 31.75 | 30.5 | 30.5 | 30.5 | -1 (-3.17%) | 187,000 |
| 16 Jun 1981 | HKD | 31 | 31.75 | 31 | 31.5 | 31.5 | +0.5 (+1.61%) | 58,650 |
| 15 Jun 1981 | HKD | 30.5 | 31.5 | 30.5 | 31 | 31 | 0.0 (0.0%) | 58,500 |
| 12 Jun 1981 | HKD | 31.25 | 31.25 | 30.75 | 31 | 31 | 0.0 (0.0%) | 66,000 |
| 11 Jun 1981 | HKD | 30.5 | 31 | 30.5 | 31 | 31 | +0.25 (+0.81%) | 102,000 |
| 10 Jun 1981 | HKD | 31 | 31.25 | 30.75 | 30.75 | 30.75 | -0.25 (-0.81%) | 50,250 |
| 9 Jun 1981 | HKD | 30.5 | 31 | 30.5 | 31 | 31 | +0.25 (+0.81%) | 167,000 |
| 8 Jun 1981 | HKD | 30.75 | 30.75 | 30.5 | 30.75 | 30.75 | +0.25 (+0.82%) | 159,000 |
| 5 Jun 1981 | HKD | 29.7 | 30.5 | 29.6 | 30.5 | 30.5 | +0.8 (+2.69%) | 414,000 |
| 4 Jun 1981 | HKD | 29.1 | 29.7 | 29.1 | 29.7 | 29.7 | +0.5 (+1.71%) | 266,400 |
| 3 Jun 1981 | HKD | 29 | 29.5 | 29 | 29.2 | 29.2 | 0.0 (0.0%) | 71,000 |
| 2 Jun 1981 | HKD | 29.4 | 29.5 | 29.2 | 29.2 | 29.2 | 0.0 (0.0%) | 131,600 |
| 1 Jun 1981 | HKD | 28.8 | 29.3 | 28.8 | 29.2 | 29.2 | +0.8 (+2.82%) | 108,000 |
| 29 May 1981 | HKD | 28.4 | 28.5 | 28.1 | 28.4 | 28.4 | +0.2 (+0.71%) | 11,000 |
| 28 May 1981 | HKD | 28.4 | 28.5 | 28.1 | 28.2 | 28.2 | -0.2 (-0.70%) | 49,500 |
| 27 May 1981 | HKD | 28.5 | 28.5 | 28.2 | 28.4 | 28.4 | +0.1 (+0.35%) | 42,500 |
| 26 May 1981 | HKD | 28.3 | 28.5 | 28.2 | 28.3 | 28.3 | +0.2 (+0.71%) | 27,200 |
| 25 May 1981 | HKD | 28.1 | 28.2 | 27.6 | 28.1 | 28.1 | -0.1 (-0.35%) | 33,000 |
| 22 May 1981 | HKD | 28.2 | 28.5 | 28 | 28.2 | 28.2 | -0.2 (-0.70%) | 27,100 |
| 21 May 1981 | HKD | 28.5 | 28.7 | 28.4 | 28.4 | 28.4 | -0.1 (-0.35%) | 55,000 |
| 20 May 1981 | HKD | 28.4 | 28.5 | 28.3 | 28.5 | 28.5 | +0.1 (+0.35%) | 42,500 |
| 19 May 1981 | HKD | 28.1 | 28.5 | 28.1 | 28.4 | 28.4 | -0.1 (-0.35%) | 39,000 |
| 18 May 1981 | HKD | 28.9 | 29.4 | 28.5 | 28.5 | 28.5 | -0.5 (-1.72%) | 44,500 |
| 15 May 1981 | HKD | 29 | 29.4 | 28.7 | 29 | 29 | +0.1 (+0.35%) | 115,000 |
| 14 May 1981 | HKD | 28 | 29.2 | 27.6 | 28.9 | 28.9 | +1.4 (+5.09%) | 175,000 |
| 13 May 1981 | HKD | 26.8 | 28 | 26.8 | 27.5 | 27.5 | +1.2 (+4.56%) | 427,000 |
| 12 May 1981 | HKD | 26.3 | 26.6 | 26.2 | 26.3 | 26.3 | -0.4 (-1.50%) | 26,200 |
