| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 Jun 1980 | HKD | 5.95 | 6 | 5.85 | 5.95 | 5.95 | 0.0 (0.0%) | 639,924 |
| 18 Jun 1980 | HKD | 5.95 | 6 | 5.85 | 5.95 | 5.95 | +0.1 (+1.71%) | 487,312 |
| 17 Jun 1980 | HKD | 5.85 | 5.85 | 5.85 | 5.85 | 5.85 | 0.0 (0.0%) | 0 |
| 16 Jun 1980 | HKD | 5.95 | 5.95 | 5.8 | 5.85 | 5.85 | 0.0 (0.0%) | 751,162 |
| 13 Jun 1980 | HKD | 6 | 6 | 5.8 | 5.85 | 5.85 | -0.45 (-7.14%) | 1,003,175 |
| 12 Jun 1980 | HKD | 6.25 | 6.35 | 6.2 | 6.3 | 6.3 | +0.1 (+1.61%) | 173,700 |
| 11 Jun 1980 | HKD | 6.15 | 6.25 | 6.1 | 6.2 | 6.2 | 0.0 (0.0%) | 144,586 |
| 10 Jun 1980 | HKD | 6.35 | 6.35 | 6.15 | 6.2 | 6.2 | -0.1 (-1.59%) | 117,600 |
| 9 Jun 1980 | HKD | 6.25 | 6.4 | 6.25 | 6.3 | 6.3 | 0.0 (0.0%) | 227,349 |
| 6 Jun 1980 | HKD | 6.35 | 6.4 | 6.2 | 6.3 | 6.3 | -0.05 (-0.79%) | 205,062 |
| 5 Jun 1980 | HKD | 6.35 | 6.45 | 6.3 | 6.35 | 6.35 | +0.05 (+0.79%) | 292,775 |
| 4 Jun 1980 | HKD | 6.2 | 6.35 | 6 | 6.3 | 6.3 | +0.05 (+0.80%) | 371,565 |
| 3 Jun 1980 | HKD | 6.2 | 6.25 | 6.15 | 6.25 | 6.25 | +0.05 (+0.81%) | 556,632 |
| 2 Jun 1980 | HKD | 6.1 | 6.2 | 6.05 | 6.2 | 6.2 | +0.25 (+4.20%) | 702,887 |
| 30 May 1980 | HKD | 5.85 | 6 | 5.8 | 5.95 | 5.95 | +0.1 (+1.71%) | 564,062 |
| 29 May 1980 | HKD | 6 | 6.05 | 5.85 | 5.85 | 5.85 | -0.15 (-2.50%) | 69,312 |
| 28 May 1980 | HKD | 5.8 | 6 | 5.8 | 6 | 6 | +0.15 (+2.56%) | 106,350 |
| 27 May 1980 | HKD | 5.95 | 5.95 | 5.8 | 5.85 | 5.85 | -0.15 (-2.50%) | 162,400 |
| 26 May 1980 | HKD | 5.95 | 6 | 5.9 | 6 | 6 | +0.1 (+1.69%) | 92,050 |
| 23 May 1980 | HKD | 5.95 | 6 | 5.85 | 5.9 | 5.9 | -0.05 (-0.84%) | 107,200 |
| 22 May 1980 | HKD | 5.95 | 5.95 | 5.85 | 5.95 | 5.95 | +0.05 (+0.85%) | 88,900 |
| 21 May 1980 | HKD | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 0.0 (0.0%) | 0 |
| 20 May 1980 | HKD | 5.85 | 5.95 | 5.8 | 5.9 | 5.9 | +0.1 (+1.72%) | 98,750 |
| 19 May 1980 | HKD | 5.8 | 5.9 | 5.75 | 5.8 | 5.8 | 0.0 (0.0%) | 141,162 |
| 16 May 1980 | HKD | 5.75 | 5.85 | 5.7 | 5.8 | 5.8 | 0.0 (0.0%) | 189,600 |
| 15 May 1980 | HKD | 5.8 | 5.9 | 5.75 | 5.8 | 5.8 | 0.0 (0.0%) | 398,762 |
| 14 May 1980 | HKD | 5.8 | 5.8 | 5.55 | 5.8 | 5.8 | -0.05 (-0.85%) | 387,525 |
| 13 May 1980 | HKD | 6 | 6 | 5.75 | 5.85 | 5.85 | -0.1 (-1.68%) | 232,887 |
| 12 May 1980 | HKD | 5.9 | 6 | 5.9 | 5.95 | 5.95 | -0.05 (-0.83%) | 101,787 |
| 9 May 1980 | HKD | 6.05 | 6.05 | 5.9 | 6 | 6 | -0.05 (-0.83%) | 117,487 |
