| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 10 Oct 1980 | HKD | 6.5 | 6.7 | 6.45 | 6.45 | 5.8636 | +0.1 (+1.57%) | 3,330,000 |
| 9 Oct 1980 | HKD | 6.2 | 6.5 | 6.1 | 6.35 | 5.7727 | +0.2 (+3.25%) | 3,286,864 |
| 8 Oct 1980 | HKD | 5.75 | 6.15 | 5.7 | 6.15 | 5.5909 | +0.4 (+6.96%) | 3,328,047 |
| 7 Oct 1980 | HKD | 5.8 | 5.8 | 5.65 | 5.75 | 5.2273 | 0.0 (0.0%) | 1,067,660 |
| 6 Oct 1980 | HKD | 5.75 | 5.8 | 5.65 | 5.75 | 5.2273 | +0.1 (+1.77%) | 1,576,000 |
| 3 Oct 1980 | HKD | 5.5 | 5.65 | 5.4 | 5.65 | 5.1364 | +0.1 (+1.80%) | 1,201,000 |
| 2 Oct 1980 | HKD | 5.65 | 5.75 | 5.5 | 5.55 | 5.0455 | -0.15 (-2.63%) | 1,546,600 |
| 1 Oct 1980 | HKD | 5.5 | 5.8 | 5.45 | 5.7 | 5.1818 | +0.2 (+3.64%) | 2,526,600 |
| 30 Sep 1980 | HKD | 5.95 | 6 | 5.35 | 5.5 | 5 | -0.4 (-6.78%) | 4,873,596 |
| 29 Sep 1980 | HKD | 5.7 | 5.95 | 5.6 | 5.9 | 5.3636 | +0.15 (+2.61%) | 5,318,400 |
| 26 Sep 1980 | HKD | 5.3 | 5.8 | 5.3 | 5.75 | 5.2273 | +0.4 (+7.48%) | 4,447,015 |
| 25 Sep 1980 | HKD | 5.2 | 5.4 | 5.05 | 5.35 | 4.8636 | +0.05 (+0.94%) | 2,677,200 |
| 24 Sep 1980 | HKD | 5.3 | 5.3 | 5.3 | 5.3 | 4.8182 | 0.0 (0.0%) | 0 |
| 23 Sep 1980 | HKD | 5 | 5.35 | 5 | 5.3 | 4.8182 | +0.3 (+6%) | 3,550,824 |
| 22 Sep 1980 | HKD | 4.6 | 5 | 4.6 | 5 | 4.5455 | +0.45 (+9.89%) | 3,390,000 |
| 19 Sep 1980 | HKD | 4.2 | 4.55 | 4.2 | 4.55 | 4.1364 | +0.35 (+8.33%) | 2,010,600 |
| 18 Sep 1980 | HKD | 4.175 | 4.225 | 4.15 | 4.2 | 3.8182 | +0.025 (+0.60%) | 728,000 |
| 17 Sep 1980 | HKD | 4.125 | 4.225 | 4.1 | 4.175 | 3.7955 | -0.025 (-0.60%) | 733,000 |
| 16 Sep 1980 | HKD | 4.2 | 4.25 | 4.05 | 4.2 | 3.8182 | +0.025 (+0.60%) | 416,800 |
| 15 Sep 1980 | HKD | 4.25 | 4.25 | 4.175 | 4.175 | 3.7955 | -0.075 (-1.76%) | 630,000 |
| 12 Sep 1980 | HKD | 4.225 | 4.25 | 4.15 | 4.25 | 3.8636 | +0.05 (+1.19%) | 559,000 |
| 11 Sep 1980 | HKD | 4.275 | 4.3 | 4.175 | 4.2 | 3.8182 | -0.05 (-1.18%) | 726,600 |
| 10 Sep 1980 | HKD | 4.1 | 4.3 | 4.1 | 4.25 | 3.8636 | +0.15 (+3.66%) | 995,000 |
| 9 Sep 1980 | HKD | 4.1 | 4.15 | 4 | 4.1 | 3.7273 | 0.0 (0.0%) | 890,600 |
| 8 Sep 1980 | HKD | 4.15 | 4.3 | 4.05 | 4.1 | 3.7273 | -0.15 (-3.53%) | 1,185,000 |
| 5 Sep 1980 | HKD | 4.4 | 4.4 | 4.2 | 4.25 | 3.8636 | -0.05 (-1.16%) | 1,022,000 |
| 4 Sep 1980 | HKD | 4.35 | 4.4 | 4.225 | 4.3 | 3.9091 | +0.025 (+0.58%) | 1,606,000 |
| 3 Sep 1980 | HKD | 4.05 | 4.275 | 4.05 | 4.275 | 3.8864 | +0.225 (+5.56%) | 806,384 |
| 2 Sep 1980 | HKD | 4.15 | 4.5 | 4 | 4.05 | 3.6818 | -0.1 (-2.41%) | 847,000 |
| 1 Sep 1980 | HKD | 4.2 | 4.2 | 4.1 | 4.15 | 3.7727 | -0.025 (-0.60%) | 581,000 |
