| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 17 Nov 1980 | HKD | 12 | 12 | 11.2 | 11.3 | 10.1322 | -0.3 (-2.59%) | 808,000 |
| 14 Nov 1980 | HKD | 11.9 | 12.4 | 11.4 | 11.6 | 10.4012 | -0.2 (-1.69%) | 831,000 |
| 13 Nov 1980 | HKD | 11.5 | 12.5 | 11.5 | 11.8 | 10.5805 | +0.4 (+3.51%) | 1,309,828 |
| 12 Nov 1980 | HKD | 11.4 | 12.1 | 11.3 | 11.4 | 10.2218 | 0.0 (0.0%) | 980,000 |
| 11 Nov 1980 | HKD | 11.4 | 12 | 11.2 | 11.4 | 10.2218 | +0.2 (+1.79%) | 888,000 |
| 10 Nov 1980 | HKD | 11.2 | 12 | 10.3 | 11.2 | 10.0425 | -0.2 (-1.75%) | 744,000 |
| 7 Nov 1980 | HKD | 11.2 | 12.2 | 11.2 | 11.4 | 10.2218 | -0.1 (-0.87%) | 1,051,000 |
| 6 Nov 1980 | HKD | 11.7 | 12.6 | 11.5 | 11.5 | 10.3115 | -0.2 (-1.71%) | 1,255,500 |
| 5 Nov 1980 | HKD | 11.4 | 12.5 | 11.3 | 11.7 | 10.4908 | +0.5 (+4.46%) | 1,571,920 |
| 4 Nov 1980 | HKD | 11.6 | 12.7 | 11.2 | 11.2 | 10.0425 | -0.2 (-1.75%) | 996,330 |
| 3 Nov 1980 | HKD | 11.4 | 13 | 11.3 | 11.4 | 10.2218 | 0.0 (0.0%) | 1,347,000 |
| 31 Oct 1980 | HKD | 11.4 | 12.6 | 11.3 | 11.4 | 10.2218 | +0.1 (+0.88%) | 1,550,000 |
| 30 Oct 1980 | HKD | 11 | 12.5 | 11 | 11.3 | 10.1322 | -0.1 (-0.88%) | 2,048,000 |
| 29 Oct 1980 | HKD | 11.7 | 12.8 | 11.2 | 11.4 | 10.2218 | -0.3 (-2.56%) | 1,800,600 |
| 28 Oct 1980 | HKD | 11.9 | 13 | 11.4 | 11.7 | 10.4908 | -0.2 (-1.68%) | 2,857,400 |
| 27 Oct 1980 | HKD | 12 | 13.6 | 11.8 | 11.9 | 10.6702 | +0.1 (+0.85%) | 4,303,600 |
| 24 Oct 1980 | HKD | 11.6 | 12.9 | 11.3 | 11.8 | 10.5805 | +0.2 (+1.72%) | 3,802,800 |
| 23 Oct 1980 | HKD | 11.6 | 12.4 | 11.5 | 11.6 | 10.4012 | 0.0 (0.0%) | 4,027,790 |
| 22 Oct 1980 | HKD | 11 | 12.4 | 11 | 11.6 | 10.4012 | -95.4 (-89.16%) | 4,362,160 |
| 21 Oct 1980 | HKD | 108 | 108 | 105 | 107 | 95.9417 | -2 (-1.83%) | 266,684 |
| 20 Oct 1980 | HKD | 110 | 112 | 107 | 109 | 97.735 | -1 (-0.91%) | 173,443 |
| 17 Oct 1980 | HKD | 110 | 110 | 110 | 110 | 98.6317 | 0.0 (0.0%) | 0 |
| 16 Oct 1980 | HKD | 109 | 110 | 107 | 110 | 98.6317 | +2 (+1.85%) | 168,000 |
| 15 Oct 1980 | HKD | 109 | 111 | 107 | 108 | 96.8384 | -1 (-0.92%) | 173,040 |
| 14 Oct 1980 | HKD | 112 | 113 | 107 | 109 | 97.735 | -3 (-2.68%) | 167,800 |
| 13 Oct 1980 | HKD | 114 | 115 | 105 | 112 | 100.425 | -3 (-2.61%) | 243,600 |
| 10 Oct 1980 | HKD | 119 | 120 | 113 | 115 | 103.1149 | 0.0 (0.0%) | 287,200 |
| 9 Oct 1980 | HKD | 114 | 117 | 114 | 115 | 103.1149 | +1 (+0.88%) | 119,140 |
| 8 Oct 1980 | HKD | 112 | 117 | 112 | 114 | 102.2183 | +4 (+3.64%) | 261,673 |
| 7 Oct 1980 | HKD | 107 | 110 | 104 | 110 | 98.6317 | +5 (+4.76%) | 371,048 |
