| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 10 Mar 1980 | HKD | 3.6 | 3.725 | 3.5 | 3.65 | 11.3036 | -0.075 (-2.01%) | 3,156,400 |
| 7 Mar 1980 | HKD | 3.9 | 3.9 | 3.625 | 3.725 | 11.5358 | -0.2 (-5.10%) | 2,770,000 |
| 6 Mar 1980 | HKD | 3.85 | 3.95 | 3.85 | 3.925 | 12.1552 | +0.075 (+1.95%) | 2,462,800 |
| 5 Mar 1980 | HKD | 3.9 | 3.975 | 3.825 | 3.85 | 11.9229 | -0.175 (-4.35%) | 2,118,000 |
| 4 Mar 1980 | HKD | 4 | 4.075 | 3.875 | 4.025 | 12.4649 | -0.075 (-1.83%) | 2,128,000 |
| 3 Mar 1980 | HKD | 4.4 | 4.4 | 4.075 | 4.1 | 12.6972 | -0.25 (-5.75%) | 1,984,000 |
| 29 Feb 1980 | HKD | 4.35 | 4.425 | 4.25 | 4.35 | 13.4714 | -0.025 (-0.57%) | 2,646,000 |
| 28 Feb 1980 | HKD | 4 | 4.375 | 3.975 | 4.375 | 13.5488 | +0.45 (+11.46%) | 2,698,400 |
| 27 Feb 1980 | HKD | 4.275 | 4.3 | 3.9 | 3.925 | 12.1552 | -0.3 (-7.10%) | 2,859,000 |
| 26 Feb 1980 | HKD | 4.2 | 4.275 | 4.125 | 4.225 | 13.0843 | -0.025 (-0.59%) | 2,493,600 |
| 25 Feb 1980 | HKD | 4.5 | 4.55 | 4.25 | 4.25 | 13.1617 | -0.3 (-6.59%) | 2,212,000 |
| 22 Feb 1980 | HKD | 4.575 | 4.6 | 4.45 | 4.55 | 14.0907 | -0.025 (-0.55%) | 1,502,000 |
| 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 |
