| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 18 Jul 1980 | HKD | 16.9 | 17.1 | 16.8 | 17 | 16.8433 | +0.1 (+0.59%) | 725,998 |
| 17 Jul 1980 | HKD | 16.8 | 16.9 | 16.6 | 16.9 | 16.7442 | +0.3 (+1.81%) | 836,701 |
| 16 Jul 1980 | HKD | 17.1 | 17.1 | 16.4 | 16.6 | 16.4469 | -0.5 (-2.92%) | 1,159,188 |
| 15 Jul 1980 | HKD | 17.4 | 17.5 | 17 | 17.1 | 16.9423 | 0.0 (0.0%) | 1,023,331 |
| 14 Jul 1980 | HKD | 16.5 | 17.1 | 16.3 | 17.1 | 16.9423 | +0.4 (+2.40%) | 1,048,181 |
| 11 Jul 1980 | HKD | 16.4 | 16.7 | 16.3 | 16.7 | 16.546 | +0.4 (+2.45%) | 1,530,982 |
| 10 Jul 1980 | HKD | 16.4 | 16.4 | 16 | 16.3 | 16.1497 | +0.1 (+0.62%) | 843,750 |
| 9 Jul 1980 | HKD | 16.2 | 16.3 | 16.1 | 16.2 | 16.0506 | -0.1 (-0.61%) | 773,212 |
| 8 Jul 1980 | HKD | 16.2 | 16.4 | 16.2 | 16.3 | 16.1497 | 0.0 (0.0%) | 702,456 |
| 7 Jul 1980 | HKD | 16.3 | 16.5 | 16.1 | 16.3 | 16.1497 | +0.1 (+0.62%) | 853,836 |
| 4 Jul 1980 | HKD | 16.2 | 16.4 | 16 | 16.2 | 16.0506 | 0.0 (0.0%) | 898,265 |
| 3 Jul 1980 | HKD | 15.9 | 16.2 | 15.9 | 16.2 | 16.0506 | +0.3 (+1.89%) | 1,029,941 |
| 2 Jul 1980 | HKD | 16.1 | 16.1 | 15.8 | 15.9 | 15.7534 | -0.3 (-1.85%) | 1,112,465 |
| 1 Jul 1980 | HKD | 16.2 | 16.2 | 16.2 | 16.2 | 16.0506 | 0.0 (0.0%) | 0 |
| 30 Jun 1980 | HKD | 16.1 | 16.2 | 16 | 16.2 | 16.0506 | +0.3 (+1.89%) | 1,521,337 |
| 27 Jun 1980 | HKD | 15.9 | 16.1 | 15.8 | 15.9 | 15.7534 | +0.1 (+0.63%) | 1,027,123 |
| 26 Jun 1980 | HKD | 15.6 | 15.8 | 15.5 | 15.8 | 15.6543 | +0.2 (+1.28%) | 961,240 |
| 25 Jun 1980 | HKD | 15.5 | 15.7 | 15.4 | 15.6 | 15.4562 | 0.0 (0.0%) | 1,010,431 |
| 24 Jun 1980 | HKD | 15.9 | 15.9 | 15.6 | 15.6 | 15.4562 | -0.2 (-1.27%) | 830,727 |
| 23 Jun 1980 | HKD | 16.4 | 16.6 | 15.5 | 15.8 | 15.6543 | +0.2 (+1.28%) | 2,010,676 |
| 20 Jun 1980 | HKD | 15.3 | 15.7 | 15.1 | 15.6 | 15.4562 | +0.2 (+1.30%) | 1,041,958 |
| 19 Jun 1980 | HKD | 15.6 | 15.7 | 15.2 | 15.4 | 15.258 | -0.3 (-1.91%) | 833,571 |
| 18 Jun 1980 | HKD | 15.8 | 15.8 | 15.6 | 15.7 | 15.5552 | 0.0 (0.0%) | 648,057 |
| 17 Jun 1980 | HKD | 15.7 | 15.7 | 15.7 | 15.7 | 15.5552 | 0.0 (0.0%) | 0 |
| 16 Jun 1980 | HKD | 15.6 | 15.8 | 15.6 | 15.7 | 15.5552 | +0.1 (+0.64%) | 730,080 |
| 13 Jun 1980 | HKD | 15.7 | 15.8 | 15.5 | 15.6 | 15.4562 | 0.0 (0.0%) | 1,327,366 |
| 12 Jun 1980 | HKD | 15.4 | 15.6 | 15.4 | 15.6 | 15.4562 | +0.2 (+1.30%) | 987,954 |
| 11 Jun 1980 | HKD | 15.4 | 15.5 | 15.2 | 15.4 | 15.258 | 0.0 (0.0%) | 1,278,097 |
| 10 Jun 1980 | HKD | 15.4 | 15.5 | 15.3 | 15.4 | 15.258 | +0.1 (+0.65%) | 1,289,055 |
| 9 Jun 1980 | HKD | 14.8 | 15.3 | 14.8 | 15.3 | 15.1589 | +0.5 (+3.38%) | 1,512,658 |
