| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 25 Jan 1980 | HKD | 9.7 | 9.8 | 9.6 | 9.65 | 9.65 | +0.15 (+1.58%) | 703,140 |
| 24 Jan 1980 | HKD | 9.65 | 9.7 | 9.45 | 9.5 | 9.5 | -0.05 (-0.52%) | 727,950 |
| 23 Jan 1980 | HKD | 9.5 | 9.8 | 9.5 | 9.55 | 9.55 | +0.35 (+3.80%) | 991,000 |
| 22 Jan 1980 | HKD | 9.2 | 9.7 | 9.15 | 9.2 | 9.2 | +0.05 (+0.55%) | 648,000 |
| 21 Jan 1980 | HKD | 9.1 | 9.2 | 9.05 | 9.15 | 9.15 | +0.15 (+1.67%) | 499,640 |
| 18 Jan 1980 | HKD | 9.2 | 9.25 | 9 | 9 | 9 | -0.15 (-1.64%) | 239,860 |
| 17 Jan 1980 | HKD | 9.05 | 9.2 | 9 | 9.15 | 9.15 | +0.25 (+2.81%) | 243,000 |
| 16 Jan 1980 | HKD | 8.75 | 8.9 | 8.7 | 8.9 | 8.9 | +0.1 (+1.14%) | 184,520 |
| 15 Jan 1980 | HKD | 8.8 | 8.85 | 8.75 | 8.8 | 8.8 | 0.0 (0.0%) | 144,970 |
| 14 Jan 1980 | HKD | 8.85 | 8.95 | 8.8 | 8.8 | 8.8 | -0.1 (-1.12%) | 130,000 |
| 11 Jan 1980 | HKD | 9 | 9.1 | 8.8 | 8.9 | 8.9 | -0.15 (-1.66%) | 189,640 |
| 10 Jan 1980 | HKD | 9 | 9.05 | 8.95 | 9.05 | 9.05 | 0.0 (0.0%) | 191,600 |
| 9 Jan 1980 | HKD | 9.1 | 9.2 | 9 | 9.05 | 9.05 | -0.1 (-1.09%) | 195,220 |
| 8 Jan 1980 | HKD | 8.7 | 9.15 | 8.7 | 9.15 | 9.15 | +0.45 (+5.17%) | 226,565 |
| 7 Jan 1980 | HKD | 9.05 | 9.1 | 8.6 | 8.7 | 8.7 | -0.45 (-4.92%) | 210,400 |
| 4 Jan 1980 | HKD | 9.3 | 9.3 | 9.15 | 9.15 | 9.15 | -0.15 (-1.61%) | 242,000 |
| 3 Jan 1980 | HKD | 9.6 | 9.6 | 9.25 | 9.3 | 9.3 | -0.4 (-4.12%) | 430,000 |
| 2 Jan 1980 | HKD | 9.65 | 9.8 | 9.45 | 9.7 | 9.7 | 0.0 (0.0%) | 602,600 |
