| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 7 Oct 1980 | HKD | 18.7 | 19 | 18.5 | 18.9 | 18.9 | +0.4 (+2.16%) | 224,000 |
| 6 Oct 1980 | HKD | 18 | 18.5 | 17.8 | 18.5 | 18.5 | +0.9 (+5.11%) | 364,000 |
| 3 Oct 1980 | HKD | 16.9 | 17.6 | 16.9 | 17.6 | 17.6 | -2.8 (-13.73%) | 218,250 |
| 2 Oct 1980 | HKD | 19.8 | 20.6 | 19.7 | 20.4 | 20.4 | +0.6 (+3.03%) | 42,500 |
| 1 Oct 1980 | HKD | 19.1 | 19.8 | 19.1 | 19.8 | 19.8 | +1 (+5.32%) | 31,000 |
| 30 Sep 1980 | HKD | 18.9 | 19 | 18.8 | 18.8 | 18.8 | 0.0 (0.0%) | 90,000 |
| 29 Sep 1980 | HKD | 19.2 | 19.2 | 18.6 | 18.8 | 18.8 | -0.8 (-4.08%) | 64,250 |
| 26 Sep 1980 | HKD | 19.8 | 19.8 | 19.4 | 19.6 | 19.6 | -0.2 (-1.01%) | 40,750 |
| 25 Sep 1980 | HKD | 20 | 20.4 | 19.7 | 19.8 | 19.8 | -0.4 (-1.98%) | 59,250 |
| 24 Sep 1980 | HKD | 20.2 | 20.2 | 20.2 | 20.2 | 20.2 | 0.0 (0.0%) | 0 |
| 23 Sep 1980 | HKD | 20.4 | 20.8 | 20 | 20.2 | 20.2 | -0.5 (-2.42%) | 114,500 |
| 22 Sep 1980 | HKD | 20 | 20.8 | 19.6 | 20.7 | 20.7 | +1.2 (+6.15%) | 46,500 |
| 19 Sep 1980 | HKD | 19.2 | 19.7 | 19.2 | 19.5 | 19.5 | +0.2 (+1.04%) | 58,500 |
| 18 Sep 1980 | HKD | 19.2 | 19.4 | 19.1 | 19.3 | 19.3 | +0.1 (+0.52%) | 175,000 |
| 17 Sep 1980 | HKD | 19 | 19.2 | 18.9 | 19.2 | 19.2 | +0.2 (+1.05%) | 301,250 |
| 16 Sep 1980 | HKD | 19.1 | 19.3 | 18.9 | 19 | 19 | -0.1 (-0.52%) | 209,500 |
| 15 Sep 1980 | HKD | 18.5 | 19.2 | 18.5 | 19.1 | 19.1 | +0.7 (+3.80%) | 230,500 |
| 12 Sep 1980 | HKD | 18 | 18.4 | 18 | 18.4 | 18.4 | +0.4 (+2.22%) | 59,500 |
| 11 Sep 1980 | HKD | 17.6 | 18.1 | 17.6 | 18 | 18 | +0.6 (+3.45%) | 118,250 |
| 10 Sep 1980 | HKD | 16.8 | 17.5 | 16.6 | 17.4 | 17.4 | +1 (+6.10%) | 54,000 |
| 9 Sep 1980 | HKD | 16.4 | 16.5 | 16.1 | 16.4 | 16.4 | 0.0 (0.0%) | 135,500 |
| 8 Sep 1980 | HKD | 17 | 17.1 | 16.4 | 16.4 | 16.4 | -1 (-5.75%) | 150,000 |
| 5 Sep 1980 | HKD | 17.3 | 17.5 | 17.3 | 17.4 | 17.4 | +0.1 (+0.58%) | 102,500 |
| 4 Sep 1980 | HKD | 17.3 | 17.4 | 17 | 17.3 | 17.3 | -0.4 (-2.26%) | 96,000 |
| 3 Sep 1980 | HKD | 17.4 | 17.7 | 17.1 | 17.7 | 17.7 | +0.3 (+1.72%) | 124,250 |
| 2 Sep 1980 | HKD | 17.5 | 17.8 | 17.3 | 17.4 | 17.4 | -0.6 (-3.33%) | 137,000 |
| 1 Sep 1980 | HKD | 18.4 | 18.8 | 18 | 18 | 18 | -0.6 (-3.23%) | 153,000 |
| 29 Aug 1980 | HKD | 18.2 | 18.7 | 18.1 | 18.6 | 18.6 | +0.2 (+1.09%) | 165,360 |
| 28 Aug 1980 | HKD | 19.1 | 19.1 | 18.4 | 18.4 | 18.4 | -0.7 (-3.66%) | 318,250 |
| 27 Aug 1980 | HKD | 18.8 | 19.2 | 18.8 | 19.1 | 19.1 | 0.0 (0.0%) | 174,750 |
