| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 21 Feb 1980 | HKD | 4.675 | 4.7 | 4.55 | 4.575 | 14.1682 | -0.1 (-2.14%) | 1,433,200 |
| 20 Feb 1980 | HKD | 4.65 | 4.7 | 4.6 | 4.675 | 14.4779 | -0.125 (-2.60%) | 1,418,000 |
| 19 Feb 1980 | HKD | 4.8 | 4.8 | 4.8 | 4.8 | 14.865 | 0.0 (0.0%) | 0 |
| 15 Feb 1980 | HKD | 4.775 | 4.825 | 4.7 | 4.8 | 14.865 | +0.025 (+0.52%) | 1,368,000 |
| 14 Feb 1980 | HKD | 4.7 | 4.825 | 4.625 | 4.775 | 14.7875 | +0.1 (+2.14%) | 2,270,400 |
| 13 Feb 1980 | HKD | 4.825 | 4.825 | 4.65 | 4.675 | 14.4779 | -0.1 (-2.09%) | 1,784,800 |
| 12 Feb 1980 | HKD | 4.6 | 4.775 | 4.55 | 4.775 | 14.7875 | +0.2 (+4.37%) | 3,061,600 |
| 11 Feb 1980 | HKD | 4.525 | 4.6 | 4.5 | 4.575 | 14.1682 | +0.075 (+1.67%) | 2,117,200 |
| 8 Feb 1980 | HKD | 4.65 | 4.675 | 4.45 | 4.5 | 13.9359 | -0.1 (-2.17%) | 2,684,400 |
| 7 Feb 1980 | HKD | 4.7 | 4.75 | 4.6 | 4.6 | 14.2456 | -0.1 (-2.13%) | 1,969,600 |
| 6 Feb 1980 | HKD | 4.85 | 4.85 | 4.65 | 4.7 | 14.5553 | -0.125 (-2.59%) | 2,290,800 |
| 5 Feb 1980 | HKD | 4.875 | 5.05 | 4.8 | 4.825 | 14.9424 | +0.05 (+1.05%) | 4,182,800 |
| 4 Feb 1980 | HKD | 4.55 | 4.8 | 4.375 | 4.775 | 14.7875 | +0.275 (+6.11%) | 3,308,000 |
| 1 Feb 1980 | HKD | 4.875 | 4.875 | 4.45 | 4.5 | 13.9359 | -0.275 (-5.76%) | 4,185,200 |
| 31 Jan 1980 | HKD | 4.85 | 5 | 4.775 | 4.775 | 14.7875 | -0.025 (-0.52%) | 3,437,000 |
| 30 Jan 1980 | HKD | 5 | 5.15 | 4.8 | 4.8 | 14.865 | -0.3 (-5.88%) | 5,586,400 |
| 29 Jan 1980 | HKD | 5.25 | 5.35 | 4.85 | 5.1 | 15.794 | -0.05 (-0.97%) | 6,901,200 |
| 28 Jan 1980 | HKD | 5.5 | 5.8 | 5.05 | 5.15 | 15.9489 | 0.0 (0.0%) | 7,277,400 |
| 25 Jan 1980 | HKD | 4.6 | 5.15 | 4.6 | 5.15 | 15.9489 | +0.7 (+15.73%) | 6,887,400 |
| 24 Jan 1980 | HKD | 4.175 | 4.475 | 4.1 | 4.45 | 13.7811 | +0.4 (+9.88%) | 5,252,200 |
| 23 Jan 1980 | HKD | 3.9 | 4.1 | 3.9 | 4.05 | 12.5423 | +0.175 (+4.52%) | 4,546,600 |
| 22 Jan 1980 | HKD | 3.95 | 3.975 | 3.85 | 3.875 | 12.0004 | 0.0 (0.0%) | 4,076,200 |
| 21 Jan 1980 | HKD | 3.6 | 3.875 | 3.6 | 3.875 | 12.0004 | +0.325 (+9.15%) | 4,662,400 |
| 18 Jan 1980 | HKD | 3.6 | 3.65 | 3.55 | 3.55 | 10.9939 | -0.025 (-0.70%) | 2,716,000 |
| 17 Jan 1980 | HKD | 3.45 | 3.575 | 3.45 | 3.575 | 11.0713 | +0.2 (+5.93%) | 1,675,600 |
| 16 Jan 1980 | HKD | 3.4 | 3.5 | 3.35 | 3.375 | 10.4519 | +0.025 (+0.75%) | 1,248,000 |
| 15 Jan 1980 | HKD | 3.425 | 3.425 | 3.325 | 3.35 | 10.3745 | -0.075 (-2.19%) | 1,216,000 |
| 14 Jan 1980 | HKD | 3.45 | 3.45 | 3.4 | 3.425 | 10.6068 | 0.0 (0.0%) | 1,830,800 |
| 11 Jan 1980 | HKD | 3.5 | 3.5 | 3.375 | 3.425 | 10.6068 | -0.025 (-0.72%) | 1,636,000 |
| 10 Jan 1980 | HKD | 3.475 | 3.55 | 3.375 | 3.45 | 10.6842 | -0.025 (-0.72%) | 2,435,600 |
