| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 2 Jun 1980 | HKD | 22.5 | 22.6 | 22.4 | 22.4 | 0.6731 | 0.0 (0.0%) | 65,500 |
| 30 May 1980 | HKD | 22.4 | 22.4 | 22.3 | 22.4 | 0.6731 | +0.1 (+0.45%) | 7,500 |
| 29 May 1980 | HKD | 22.3 | 22.4 | 22.2 | 22.3 | 0.6701 | 0.0 (0.0%) | 33,000 |
| 28 May 1980 | HKD | 22.2 | 22.3 | 22.2 | 22.3 | 0.6701 | 0.0 (0.0%) | 22,500 |
| 27 May 1980 | HKD | 22.3 | 22.4 | 22.2 | 22.3 | 0.6701 | -0.3 (-1.33%) | 14,800 |
| 26 May 1980 | HKD | 22.6 | 22.6 | 22.6 | 22.6 | 0.6791 | 0.0 (0.0%) | 9,500 |
| 23 May 1980 | HKD | 22.5 | 22.6 | 22.5 | 22.6 | 0.6791 | +0.2 (+0.89%) | 11,410 |
| 22 May 1980 | HKD | 22.4 | 22.6 | 22.4 | 22.4 | 0.6731 | +0.1 (+0.45%) | 12,500 |
| 21 May 1980 | HKD | 22.3 | 22.3 | 22.3 | 22.3 | 0.6701 | 0.0 (0.0%) | 0 |
| 20 May 1980 | HKD | 22.2 | 22.4 | 22.2 | 22.3 | 0.6701 | 0.0 (0.0%) | 7,500 |
| 19 May 1980 | HKD | 22.3 | 22.5 | 22.2 | 22.3 | 0.6701 | 0.0 (0.0%) | 7,500 |
| 16 May 1980 | HKD | 22.5 | 22.7 | 22.2 | 22.3 | 0.6701 | -0.5 (-2.19%) | 10,000 |
| 15 May 1980 | HKD | 22.2 | 22.8 | 22.1 | 22.8 | 0.6851 | +0.6 (+2.70%) | 21,150 |
| 14 May 1980 | HKD | 22.2 | 22.2 | 22 | 22.2 | 0.6671 | +0.1 (+0.45%) | 8,229 |
| 13 May 1980 | HKD | 22.1 | 22.2 | 22.1 | 22.1 | 0.6641 | +0.1 (+0.45%) | 8,000 |
| 12 May 1980 | HKD | 22 | 22 | 22 | 22 | 0.6611 | +0.1 (+0.46%) | 8,500 |
| 9 May 1980 | HKD | 21.9 | 22 | 21.9 | 21.9 | 0.6581 | -0.1 (-0.45%) | 7,500 |
| 8 May 1980 | HKD | 21.8 | 22 | 21.8 | 22 | 0.6611 | +0.1 (+0.46%) | 7,020 |
| 7 May 1980 | HKD | 21.9 | 21.9 | 21.9 | 21.9 | 0.6581 | 0.0 (0.0%) | 5,445 |
| 6 May 1980 | HKD | 22 | 22 | 21.9 | 21.9 | 0.6581 | +0.1 (+0.46%) | 8,500 |
| 5 May 1980 | HKD | 21.6 | 21.8 | 21.5 | 21.8 | 0.6551 | 0.0 (0.0%) | 2,000 |
| 2 May 1980 | HKD | 21.9 | 21.9 | 21.6 | 21.8 | 0.6551 | -0.2 (-0.91%) | 33,500 |
| 1 May 1980 | HKD | 22.2 | 22.2 | 22 | 22 | 0.6611 | -0.3 (-1.35%) | 15,500 |
| 30 Apr 1980 | HKD | 22.2 | 22.3 | 22 | 22.3 | 0.6701 | 0.0 (0.0%) | 19,000 |
| 29 Apr 1980 | HKD | 22.3 | 22.4 | 22.2 | 22.3 | 0.6701 | +0.3 (+1.36%) | 8,900 |
| 28 Apr 1980 | HKD | 21.9 | 22 | 21.9 | 22 | 0.6611 | +0.1 (+0.46%) | 13,500 |
| 25 Apr 1980 | HKD | 22 | 22.3 | 21.8 | 21.9 | 0.6581 | -0.3 (-1.35%) | 11,500 |
| 24 Apr 1980 | HKD | 21.5 | 22.2 | 21.4 | 22.2 | 0.6671 | +1 (+4.72%) | 18,100 |
| 23 Apr 1980 | HKD | 21.2 | 21.3 | 21 | 21.2 | 0.637 | +0.2 (+0.95%) | 16,900 |
| 22 Apr 1980 | HKD | 20.8 | 21.1 | 20.8 | 21 | 0.631 | 0.0 (0.0%) | 86,271 |
