| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 25 Mar 1980 | HKD | 3.225 | 3.25 | 3.175 | 3.2 | 9.91 | -0.075 (-2.29%) | 846,000 |
| 24 Mar 1980 | HKD | 3.35 | 3.4 | 3.275 | 3.275 | 10.1422 | -0.025 (-0.76%) | 1,227,200 |
| 21 Mar 1980 | HKD | 3.325 | 3.325 | 3.225 | 3.3 | 10.2197 | 0.0 (0.0%) | 1,793,800 |
| 20 Mar 1980 | HKD | 3.2 | 3.325 | 3.175 | 3.3 | 10.2197 | +0.175 (+5.60%) | 2,760,000 |
| 19 Mar 1980 | HKD | 3.1 | 3.175 | 3 | 3.125 | 9.6777 | -0.025 (-0.79%) | 2,762,000 |
| 18 Mar 1980 | HKD | 3.3 | 3.3 | 3.1 | 3.15 | 9.7551 | -0.25 (-7.35%) | 2,874,000 |
| 17 Mar 1980 | HKD | 3.4 | 3.5 | 3.35 | 3.4 | 10.5293 | +0.15 (+4.62%) | 3,366,000 |
| 14 Mar 1980 | HKD | 3.4 | 3.4 | 3.15 | 3.25 | 10.0648 | -0.275 (-7.80%) | 4,795,000 |
| 13 Mar 1980 | HKD | 3.675 | 3.675 | 3.45 | 3.525 | 10.9165 | -0.25 (-6.62%) | 3,767,600 |
| 12 Mar 1980 | HKD | 3.9 | 3.925 | 3.775 | 3.775 | 11.6907 | -0.05 (-1.31%) | 2,195,200 |
| 11 Mar 1980 | HKD | 3.725 | 3.825 | 3.65 | 3.825 | 11.8455 | +0.175 (+4.79%) | 2,176,000 |
| 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 |
