| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 27 Aug 1980 | HKD | 13.8 | 13.8 | 13.8 | 13.8 | 13.1904 | +0.1 (+0.73%) | 3,210 |
| 26 Aug 1980 | HKD | 13.5 | 13.8 | 13.5 | 13.7 | 13.0948 | +0.2 (+1.48%) | 11,000 |
| 25 Aug 1980 | HKD | 13.5 | 13.5 | 13.5 | 13.5 | 12.9036 | 0.0 (0.0%) | 0 |
| 22 Aug 1980 | HKD | 13.4 | 13.8 | 13.4 | 13.5 | 12.9036 | +0.2 (+1.50%) | 9,000 |
| 21 Aug 1980 | HKD | 13.3 | 13.3 | 13.3 | 13.3 | 12.7124 | -0.1 (-0.75%) | 3,000 |
| 20 Aug 1980 | HKD | 13.2 | 14 | 13.2 | 13.4 | 12.808 | +0.2 (+1.52%) | 5,000 |
| 19 Aug 1980 | HKD | 13.1 | 13.2 | 13.1 | 13.2 | 12.6169 | +0.2 (+1.54%) | 2,000 |
| 18 Aug 1980 | HKD | 13 | 13 | 13 | 13 | 12.4257 | 0.0 (0.0%) | 1,000 |
| 15 Aug 1980 | HKD | 13 | 13 | 13 | 13 | 12.4257 | +0.1 (+0.78%) | 4,000 |
| 14 Aug 1980 | HKD | 12.9 | 12.9 | 12.8 | 12.9 | 12.3301 | -0.1 (-0.77%) | 2,000 |
| 13 Aug 1980 | HKD | 13 | 13 | 13 | 13 | 12.4257 | +0.1 (+0.78%) | 2,000 |
| 12 Aug 1980 | HKD | 12.9 | 12.9 | 12.9 | 12.9 | 12.3301 | 0.0 (0.0%) | 21,000 |
| 11 Aug 1980 | HKD | 12.9 | 12.9 | 12.9 | 12.9 | 12.3301 | 0.0 (0.0%) | 4,400 |
| 8 Aug 1980 | HKD | 12.9 | 12.9 | 12.9 | 12.9 | 12.3301 | 0.0 (0.0%) | 6,597 |
| 7 Aug 1980 | HKD | 13 | 13 | 12.9 | 12.9 | 12.3301 | 0.0 (0.0%) | 6,000 |
| 6 Aug 1980 | HKD | 12.9 | 12.9 | 12.9 | 12.9 | 12.3301 | +0.2 (+1.57%) | 2,000 |
| 5 Aug 1980 | HKD | 12.7 | 12.7 | 12.7 | 12.7 | 12.139 | 0.0 (0.0%) | 0 |
| 4 Aug 1980 | HKD | 12.7 | 12.7 | 12.7 | 12.7 | 12.139 | 0.0 (0.0%) | 0 |
| 1 Aug 1980 | HKD | 12.7 | 12.7 | 12.7 | 12.7 | 12.139 | -0.3 (-2.31%) | 1,000 |
| 31 Jul 1980 | HKD | 13 | 13 | 13 | 13 | 12.4257 | 0.0 (0.0%) | 0 |
| 30 Jul 1980 | HKD | 13 | 13 | 13 | 13 | 12.4257 | 0.0 (0.0%) | 0 |
| 29 Jul 1980 | HKD | 13 | 13 | 13 | 13 | 12.4257 | 0.0 (0.0%) | 5,101 |
| 28 Jul 1980 | HKD | 13.1 | 13.1 | 13 | 13 | 12.4257 | +0.1 (+0.78%) | 10,000 |
| 25 Jul 1980 | HKD | 13 | 13 | 12.9 | 12.9 | 12.3301 | 0.0 (0.0%) | 10,840 |
| 24 Jul 1980 | HKD | 13 | 13 | 12.9 | 12.9 | 12.3301 | 0.0 (0.0%) | 5,300 |
| 23 Jul 1980 | HKD | 12.9 | 12.9 | 12.9 | 12.9 | 12.3301 | +0.1 (+0.78%) | 4,242 |
| 22 Jul 1980 | HKD | 12.8 | 12.8 | 12.8 | 12.8 | 12.2345 | 0.0 (0.0%) | 0 |
| 21 Jul 1980 | HKD | 12.8 | 12.8 | 12.8 | 12.8 | 12.2345 | 0.0 (0.0%) | 2,000 |
| 18 Jul 1980 | HKD | 12.8 | 13 | 12.8 | 12.8 | 12.2345 | 0.0 (0.0%) | 12,000 |
| 17 Jul 1980 | HKD | 12.7 | 12.8 | 12.7 | 12.8 | 12.2345 | +0.1 (+0.79%) | 2,000 |
