| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1980 | HKD | 10.34 | 10.56 | 10.34 | 10.45 | 9.5 | -0.055 (-0.52%) | 200,920 |
| 3 Jun 1980 | HKD | 10.56 | 10.67 | 10.45 | 10.505 | 9.55 | -0.11 (-1.04%) | 222,320 |
| 2 Jun 1980 | HKD | 10.89 | 11 | 10.615 | 10.615 | 9.65 | -0.055 (-0.52%) | 223,000 |
| 30 May 1980 | HKD | 10.67 | 10.725 | 10.505 | 10.67 | 9.7 | 0.0 (0.0%) | 150,000 |
| 29 May 1980 | HKD | 10.67 | 10.835 | 10.45 | 10.67 | 9.7 | +0.165 (+1.57%) | 90,000 |
| 28 May 1980 | HKD | 10.45 | 10.67 | 10.34 | 10.505 | 9.55 | -0.055 (-0.52%) | 135,000 |
| 27 May 1980 | HKD | 10.835 | 11 | 10.505 | 10.56 | 9.6 | -0.44 (-4%) | 129,000 |
| 26 May 1980 | HKD | 11.11 | 11.22 | 10.89 | 11 | 10 | 0.0 (0.0%) | 269,000 |
| 23 May 1980 | HKD | 11.22 | 11.33 | 10.945 | 11 | 10 | 0.0 (0.0%) | 172,000 |
| 22 May 1980 | HKD | 11.11 | 11.22 | 11 | 11 | 10 | 0.0 (0.0%) | 121,000 |
| 21 May 1980 | HKD | 11 | 11 | 11 | 11 | 10 | 0.0 (0.0%) | 0 |
| 20 May 1980 | HKD | 11 | 11.11 | 10.89 | 11 | 10 | 0.0 (0.0%) | 103,000 |
| 19 May 1980 | HKD | 11 | 11.33 | 11 | 11 | 10 | -0.33 (-2.91%) | 48,960 |
| 16 May 1980 | HKD | 11.33 | 11.66 | 11 | 11.33 | 10.3 | -0.33 (-2.83%) | 144,000 |
| 15 May 1980 | HKD | 11.55 | 11.66 | 11.33 | 11.66 | 10.6 | +0.11 (+0.95%) | 174,640 |
| 14 May 1980 | HKD | 11.55 | 11.88 | 11.55 | 11.55 | 10.5 | -0.44 (-3.67%) | 143,584 |
| 13 May 1980 | HKD | 11.66 | 11.99 | 11.55 | 11.99 | 10.9 | +0.55 (+4.81%) | 427,168 |
| 12 May 1980 | HKD | 11.33 | 11.55 | 11.22 | 11.44 | 10.4 | +0.11 (+0.97%) | 159,952 |
| 9 May 1980 | HKD | 11.44 | 11.44 | 11.22 | 11.33 | 10.3 | -0.11 (-0.96%) | 188,400 |
| 8 May 1980 | HKD | 11.33 | 11.55 | 11.33 | 11.44 | 10.4 | +0.11 (+0.97%) | 264,000 |
| 7 May 1980 | HKD | 11.22 | 11.33 | 11.11 | 11.33 | 10.3 | +0.11 (+0.98%) | 82,200 |
| 6 May 1980 | HKD | 11.33 | 11.33 | 11.11 | 11.22 | 10.2 | +0.77 (+7.37%) | 151,928 |
| 5 May 1980 | HKD | 10.45 | 10.45 | 10.45 | 10.45 | 9.5 | -0.66 (-5.94%) | 800 |
| 2 May 1980 | HKD | 11.11 | 11.33 | 10.89 | 11.11 | 10.1 | -0.11 (-0.98%) | 308,000 |
| 1 May 1980 | HKD | 11.55 | 11.66 | 11.22 | 11.22 | 10.2 | -0.11 (-0.97%) | 86,000 |
| 30 Apr 1980 | HKD | 11.66 | 11.66 | 11.22 | 11.33 | 10.3 | -0.33 (-2.83%) | 340,000 |
| 29 Apr 1980 | HKD | 11.77 | 12.1 | 11.55 | 11.66 | 10.6 | 0.0 (0.0%) | 649,368 |
| 28 Apr 1980 | HKD | 11.44 | 11.66 | 11.33 | 11.66 | 10.6 | +0.66 (+6%) | 393,344 |
| 25 Apr 1980 | HKD | 10.945 | 11.66 | 10.78 | 11 | 10 | +0.055 (+0.50%) | 468,900 |
| 24 Apr 1980 | HKD | 10.78 | 11 | 10.78 | 10.945 | 9.95 | +0.22 (+2.05%) | 244,000 |
