| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 31 Dec 1980 | HKD | 31.104 | 31.824 | 30.96 | 31.68 | 22 | +1.008 (+3.29%) | 117,106 |
| 30 Dec 1980 | HKD | 30.96 | 30.96 | 30.528 | 30.672 | 21.3 | +0.144 (+0.47%) | 68,473 |
| 29 Dec 1980 | HKD | 30.816 | 30.96 | 30.24 | 30.528 | 21.2 | -1.008 (-3.20%) | 70,500 |
| 24 Dec 1980 | HKD | 30.816 | 31.536 | 30.672 | 31.536 | 21.9 | +1.44 (+4.78%) | 107,000 |
| 23 Dec 1980 | HKD | 29.52 | 30.384 | 29.52 | 30.096 | 20.9 | +1.296 (+4.50%) | 70,000 |
| 22 Dec 1980 | HKD | 28.224 | 28.8 | 28.08 | 28.8 | 20 | +0.576 (+2.04%) | 83,500 |
| 19 Dec 1980 | HKD | 28.224 | 28.224 | 27.936 | 28.224 | 19.6 | +0.288 (+1.03%) | 65,000 |
| 18 Dec 1980 | HKD | 28.368 | 28.512 | 27.648 | 27.936 | 19.4 | +0.144 (+0.52%) | 123,143 |
| 17 Dec 1980 | HKD | 27.792 | 28.08 | 27.072 | 27.792 | 19.3 | -0.432 (-1.53%) | 104,524 |
| 16 Dec 1980 | HKD | 28.224 | 28.8 | 27.936 | 28.224 | 19.6 | -0.144 (-0.51%) | 67,000 |
| 15 Dec 1980 | HKD | 28.8 | 28.8 | 28.224 | 28.368 | 19.7 | +0.864 (+3.14%) | 108,000 |
| 12 Dec 1980 | HKD | 28.08 | 28.08 | 27.36 | 27.504 | 19.1 | -0.72 (-2.55%) | 197,000 |
| 11 Dec 1980 | HKD | 28.512 | 28.8 | 28.08 | 28.224 | 19.6 | -0.576 (-2.00%) | 205,449 |
| 10 Dec 1980 | HKD | 29.232 | 29.664 | 28.8 | 28.8 | 20 | -1.008 (-3.38%) | 60,500 |
| 9 Dec 1980 | HKD | 30.672 | 30.816 | 29.664 | 29.808 | 20.7 | -1.152 (-3.72%) | 53,038 |
| 8 Dec 1980 | HKD | 30.672 | 31.248 | 30.672 | 30.96 | 21.5 | -0.432 (-1.38%) | 35,500 |
| 5 Dec 1980 | HKD | 31.68 | 31.68 | 30.816 | 31.392 | 21.8 | +0.432 (+1.40%) | 94,000 |
| 4 Dec 1980 | HKD | 29.952 | 30.96 | 29.808 | 30.96 | 21.5 | +1.44 (+4.88%) | 95,500 |
| 3 Dec 1980 | HKD | 29.664 | 30.24 | 29.232 | 29.52 | 20.5 | -0.432 (-1.44%) | 48,500 |
| 2 Dec 1980 | HKD | 31.248 | 31.536 | 29.952 | 29.952 | 20.8 | -1.872 (-5.88%) | 67,833 |
| 1 Dec 1980 | HKD | 32.688 | 32.688 | 31.824 | 31.824 | 22.1 | -1.008 (-3.07%) | 43,000 |
| 28 Nov 1980 | HKD | 32.4 | 32.832 | 31.824 | 32.832 | 22.8 | 0.0 (0.0%) | 114,000 |
| 27 Nov 1980 | HKD | 32.976 | 33.12 | 32.688 | 32.832 | 22.8 | -0.288 (-0.87%) | 80,000 |
| 26 Nov 1980 | HKD | 33.12 | 33.408 | 32.976 | 33.12 | 23 | +0.576 (+1.77%) | 32,766 |
| 25 Nov 1980 | HKD | 32.256 | 32.544 | 32.112 | 32.544 | 22.6 | 0.0 (0.0%) | 85,500 |
| 24 Nov 1980 | HKD | 33.84 | 34.56 | 32.4 | 32.544 | 22.6 | -1.872 (-5.44%) | 50,500 |
| 21 Nov 1980 | HKD | 33.696 | 34.56 | 33.696 | 34.416 | 23.9 | +0.144 (+0.42%) | 49,140 |
| 20 Nov 1980 | HKD | 35.28 | 35.712 | 34.272 | 34.272 | 23.8 | -0.864 (-2.46%) | 20,500 |
| 19 Nov 1980 | HKD | 36.432 | 36.72 | 35.136 | 35.136 | 24.4 | -0.72 (-2.01%) | 106,000 |
| 18 Nov 1980 | HKD | 36.432 | 36.432 | 35.424 | 35.856 | 24.9 | -0.864 (-2.35%) | 55,500 |
