| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 26 Aug 1980 | HKD | 8.7 | 8.75 | 8.55 | 8.6 | 8.6 | 0.0 (0.0%) | 454,000 |
| 25 Aug 1980 | HKD | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 0.0 (0.0%) | 0 |
| 22 Aug 1980 | HKD | 8.7 | 8.8 | 8.6 | 8.6 | 8.6 | -0.05 (-0.58%) | 357,760 |
| 21 Aug 1980 | HKD | 8.75 | 8.75 | 8.6 | 8.65 | 8.65 | 0.0 (0.0%) | 466,000 |
| 20 Aug 1980 | HKD | 8.65 | 8.75 | 8.5 | 8.65 | 8.65 | -0.05 (-0.57%) | 197,000 |
| 19 Aug 1980 | HKD | 8.8 | 8.85 | 8.7 | 8.7 | 8.7 | -0.1 (-1.14%) | 191,640 |
| 18 Aug 1980 | HKD | 9 | 9.1 | 8.8 | 8.8 | 8.8 | -0.2 (-2.22%) | 357,000 |
| 15 Aug 1980 | HKD | 8.9 | 9 | 8.7 | 9 | 9 | +0.05 (+0.56%) | 363,000 |
| 14 Aug 1980 | HKD | 9 | 9.05 | 8.8 | 8.95 | 8.95 | +0.05 (+0.56%) | 537,960 |
| 13 Aug 1980 | HKD | 8.95 | 9 | 8.75 | 8.9 | 8.9 | +0.05 (+0.56%) | 559,000 |
| 12 Aug 1980 | HKD | 8.65 | 8.95 | 8.55 | 8.85 | 8.85 | +0.3 (+3.51%) | 548,280 |
| 11 Aug 1980 | HKD | 8.6 | 8.6 | 8.4 | 8.55 | 8.55 | +0.15 (+1.79%) | 384,640 |
| 8 Aug 1980 | HKD | 8.45 | 8.45 | 8.35 | 8.4 | 8.4 | -0.15 (-1.75%) | 337,000 |
| 7 Aug 1980 | HKD | 8.6 | 8.6 | 8.45 | 8.55 | 8.55 | 0.0 (0.0%) | 235,320 |
| 6 Aug 1980 | HKD | 8.45 | 8.6 | 8.4 | 8.55 | 8.55 | +0.1 (+1.18%) | 578,528 |
| 5 Aug 1980 | HKD | 8.4 | 8.7 | 8.3 | 8.45 | 8.45 | -0.4 (-4.52%) | 366,440 |
| 4 Aug 1980 | HKD | 8.85 | 8.85 | 8.85 | 8.85 | 8.85 | 0.0 (0.0%) | 0 |
| 1 Aug 1980 | HKD | 8.85 | 8.85 | 8.65 | 8.85 | 8.85 | 0.0 (0.0%) | 242,160 |
| 31 Jul 1980 | HKD | 9 | 9.05 | 8.75 | 8.85 | 8.85 | -0.1 (-1.12%) | 465,930 |
| 30 Jul 1980 | HKD | 9 | 9.05 | 8.9 | 8.95 | 8.95 | 0.0 (0.0%) | 612,000 |
| 29 Jul 1980 | HKD | 9 | 9 | 8.85 | 8.95 | 8.95 | -0.1 (-1.10%) | 245,960 |
| 28 Jul 1980 | HKD | 9.2 | 9.2 | 8.9 | 9.05 | 9.05 | +0.1 (+1.12%) | 722,210 |
| 25 Jul 1980 | HKD | 8.85 | 8.95 | 8.8 | 8.95 | 8.95 | +0.05 (+0.56%) | 549,095 |
| 24 Jul 1980 | HKD | 9.05 | 9.05 | 8.8 | 8.9 | 8.9 | -0.1 (-1.11%) | 380,000 |
| 23 Jul 1980 | HKD | 8.9 | 9 | 8.8 | 9 | 9 | +0.45 (+5.26%) | 709,860 |
| 22 Jul 1980 | HKD | 8.55 | 8.55 | 8.55 | 8.55 | 8.55 | 0.0 (0.0%) | 0 |
| 21 Jul 1980 | HKD | 8.6 | 8.65 | 8.55 | 8.55 | 8.55 | +0.05 (+0.59%) | 522,520 |
| 18 Jul 1980 | HKD | 8.6 | 8.65 | 8.5 | 8.5 | 8.5 | -0.05 (-0.58%) | 308,600 |
| 17 Jul 1980 | HKD | 8.5 | 8.6 | 8.45 | 8.55 | 8.55 | +0.15 (+1.79%) | 349,000 |
| 16 Jul 1980 | HKD | 8.8 | 8.8 | 8.35 | 8.4 | 8.4 | -0.45 (-5.08%) | 539,000 |
