| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Jun 1981 | HKD | 18.9 | 19 | 18.5 | 18.5 | 18.5 | -0.2 (-1.07%) | 343,000 |
| 19 Jun 1981 | HKD | 19 | 19.1 | 18.6 | 18.7 | 18.7 | -0.4 (-2.09%) | 307,280 |
| 18 Jun 1981 | HKD | 18.7 | 19.2 | 18.5 | 19.1 | 19.1 | +0.7 (+3.80%) | 639,000 |
| 17 Jun 1981 | HKD | 18.9 | 18.9 | 18.4 | 18.4 | 18.4 | -0.6 (-3.16%) | 281,000 |
| 16 Jun 1981 | HKD | 19.3 | 19.3 | 19 | 19 | 19 | 0.0 (0.0%) | 263,000 |
| 15 Jun 1981 | HKD | 19 | 19.1 | 18.8 | 19 | 19 | +0.1 (+0.53%) | 537,640 |
| 12 Jun 1981 | HKD | 19.5 | 19.7 | 18.9 | 18.9 | 18.9 | -0.5 (-2.58%) | 1,241,000 |
| 11 Jun 1981 | HKD | 20.1 | 20.1 | 19.4 | 19.4 | 19.4 | -0.7 (-3.48%) | 916,000 |
| 10 Jun 1981 | HKD | 20.3 | 20.4 | 20.1 | 20.1 | 20.1 | -0.2 (-0.99%) | 467,520 |
| 9 Jun 1981 | HKD | 20.1 | 20.4 | 20 | 20.3 | 20.3 | +0.2 (+1.00%) | 341,560 |
| 8 Jun 1981 | HKD | 20.2 | 20.3 | 20 | 20.1 | 20.1 | -0.2 (-0.99%) | 173,808 |
| 5 Jun 1981 | HKD | 19.8 | 20.4 | 19.8 | 20.3 | 20.3 | +0.6 (+3.05%) | 450,147 |
| 4 Jun 1981 | HKD | 19.7 | 20 | 19.4 | 19.7 | 19.7 | -0.2 (-1.01%) | 354,660 |
| 3 Jun 1981 | HKD | 20.2 | 20.2 | 19.8 | 19.9 | 19.9 | -0.3 (-1.49%) | 247,000 |
| 2 Jun 1981 | HKD | 20.2 | 20.2 | 19.9 | 20.2 | 20.2 | +0.5 (+2.54%) | 414,080 |
| 1 Jun 1981 | HKD | 19.5 | 20 | 19.5 | 19.7 | 19.7 | +0.5 (+2.60%) | 556,890 |
| 29 May 1981 | HKD | 19.1 | 19.3 | 19 | 19.2 | 19.2 | +0.3 (+1.59%) | 677,910 |
| 28 May 1981 | HKD | 18.8 | 19.1 | 18.7 | 18.9 | 18.9 | 0.0 (0.0%) | 455,920 |
| 27 May 1981 | HKD | 19 | 19.3 | 18.8 | 18.9 | 18.9 | 0.0 (0.0%) | 441,280 |
| 26 May 1981 | HKD | 18.8 | 18.9 | 18.6 | 18.9 | 18.9 | +0.3 (+1.61%) | 114,840 |
| 25 May 1981 | HKD | 18.8 | 18.8 | 18.5 | 18.6 | 18.6 | -0.4 (-2.11%) | 466,920 |
| 22 May 1981 | HKD | 19.1 | 19.6 | 19 | 19 | 19 | -0.5 (-2.56%) | 455,580 |
| 21 May 1981 | HKD | 19.8 | 19.8 | 19.5 | 19.5 | 19.5 | 0.0 (0.0%) | 595,770 |
| 20 May 1981 | HKD | 18.6 | 19.5 | 18.5 | 19.5 | 19.5 | +0.9 (+4.84%) | 329,000 |
| 19 May 1981 | HKD | 18 | 18.7 | 17.6 | 18.6 | 18.6 | +0.4 (+2.20%) | 311,000 |
| 18 May 1981 | HKD | 18.1 | 18.4 | 18 | 18.2 | 18.2 | +0.1 (+0.55%) | 507,000 |
| 15 May 1981 | HKD | 17.5 | 18.1 | 17.4 | 18.1 | 18.1 | +0.8 (+4.62%) | 714,220 |
| 14 May 1981 | HKD | 16.9 | 17.3 | 16.5 | 17.3 | 17.3 | +0.2 (+1.17%) | 519,640 |
| 13 May 1981 | HKD | 17.2 | 17.2 | 17 | 17.1 | 17.1 | -0.2 (-1.16%) | 379,410 |
| 12 May 1981 | HKD | 17 | 17.3 | 16.9 | 17.3 | 17.3 | +0.3 (+1.76%) | 395,415 |
