| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 7 Oct 1980 | HKD | 8.1 | 8.45 | 8.1 | 8.35 | 8.35 | +0.3 (+3.73%) | 322,000 |
| 6 Oct 1980 | HKD | 8.1 | 8.15 | 8.05 | 8.05 | 8.05 | -0.05 (-0.62%) | 263,800 |
| 3 Oct 1980 | HKD | 7.8 | 8.1 | 7.75 | 8.1 | 8.1 | +0.2 (+2.53%) | 257,000 |
| 2 Oct 1980 | HKD | 7.85 | 8 | 7.8 | 7.9 | 7.9 | -0.1 (-1.25%) | 183,800 |
| 1 Oct 1980 | HKD | 7.9 | 8.05 | 7.9 | 8 | 8 | +0.15 (+1.91%) | 347,050 |
| 30 Sep 1980 | HKD | 8 | 8.05 | 7.8 | 7.85 | 7.85 | -0.15 (-1.88%) | 231,000 |
| 29 Sep 1980 | HKD | 8.15 | 8.2 | 7.95 | 8 | 8 | -0.25 (-3.03%) | 483,000 |
| 26 Sep 1980 | HKD | 8.4 | 8.4 | 8.1 | 8.25 | 8.25 | -0.45 (-5.17%) | 864,000 |
| 25 Sep 1980 | HKD | 8.8 | 8.9 | 8.65 | 8.7 | 8.7 | -0.1 (-1.14%) | 477,320 |
| 24 Sep 1980 | HKD | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 0.0 (0.0%) | 0 |
| 23 Sep 1980 | HKD | 9.1 | 9.1 | 8.7 | 8.8 | 8.8 | -0.3 (-3.30%) | 471,000 |
| 22 Sep 1980 | HKD | 9.3 | 9.3 | 9 | 9.1 | 9.1 | 0.0 (0.0%) | 782,000 |
| 19 Sep 1980 | HKD | 9.2 | 9.3 | 9 | 9.1 | 9.1 | -0.1 (-1.09%) | 513,900 |
| 18 Sep 1980 | HKD | 9 | 9.55 | 9 | 9.2 | 9.2 | +0.25 (+2.79%) | 1,565,120 |
| 17 Sep 1980 | HKD | 8.5 | 9 | 8.45 | 8.95 | 8.95 | +0.5 (+5.92%) | 926,520 |
| 16 Sep 1980 | HKD | 8.4 | 8.5 | 8.3 | 8.45 | 8.45 | +0.1 (+1.20%) | 493,080 |
| 15 Sep 1980 | HKD | 8.2 | 8.4 | 8.2 | 8.35 | 8.35 | +0.1 (+1.21%) | 235,000 |
| 12 Sep 1980 | HKD | 8.2 | 8.25 | 8.15 | 8.25 | 8.25 | +0.05 (+0.61%) | 330,280 |
| 11 Sep 1980 | HKD | 8.3 | 8.35 | 8.2 | 8.2 | 8.2 | -0.1 (-1.20%) | 400,100 |
| 10 Sep 1980 | HKD | 8.2 | 8.35 | 8.2 | 8.3 | 8.3 | +0.2 (+2.47%) | 350,000 |
| 9 Sep 1980 | HKD | 8.25 | 8.25 | 8.05 | 8.1 | 8.1 | -0.3 (-3.57%) | 367,000 |
| 8 Sep 1980 | HKD | 8.55 | 8.6 | 8.25 | 8.4 | 8.4 | -0.15 (-1.75%) | 342,600 |
| 5 Sep 1980 | HKD | 8.6 | 8.75 | 8.5 | 8.55 | 8.55 | +0.05 (+0.59%) | 352,000 |
| 4 Sep 1980 | HKD | 8.8 | 8.8 | 8.5 | 8.5 | 8.5 | -0.4 (-4.49%) | 292,640 |
| 3 Sep 1980 | HKD | 8.9 | 9 | 8.75 | 8.9 | 8.9 | +0.15 (+1.71%) | 693,780 |
| 2 Sep 1980 | HKD | 8.65 | 8.95 | 8.55 | 8.75 | 8.75 | +0.2 (+2.34%) | 1,141,460 |
| 1 Sep 1980 | HKD | 8.65 | 8.65 | 8.4 | 8.55 | 8.55 | -0.05 (-0.58%) | 643,325 |
| 29 Aug 1980 | HKD | 8.5 | 8.65 | 8.45 | 8.6 | 8.6 | +0.1 (+1.18%) | 427,340 |
| 28 Aug 1980 | HKD | 8.6 | 8.6 | 8.4 | 8.5 | 8.5 | -0.1 (-1.16%) | 295,000 |
| 27 Aug 1980 | HKD | 8.6 | 8.7 | 8.5 | 8.6 | 8.6 | 0.0 (0.0%) | 239,940 |
