| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 18 Jun 1980 | HKD | 3.6 | 3.6 | 3.6 | 3.6 | 1 | -0.1 (-2.70%) | 2,200 |
| 17 Jun 1980 | HKD | 3.7 | 3.7 | 3.7 | 3.7 | 1.0278 | 0.0 (0.0%) | 0 |
| 16 Jun 1980 | HKD | 3.7 | 3.7 | 3.7 | 3.7 | 1.0278 | -0.05 (-1.33%) | 5,200 |
| 13 Jun 1980 | HKD | 3.75 | 3.75 | 3.75 | 3.75 | 1.0417 | +0.05 (+1.35%) | 2,000 |
| 12 Jun 1980 | HKD | 3.7 | 3.8 | 3.7 | 3.7 | 1.0278 | 0.0 (0.0%) | 6,200 |
| 11 Jun 1980 | HKD | 3.7 | 3.7 | 3.7 | 3.7 | 1.0278 | -0.15 (-3.90%) | 13,200 |
| 10 Jun 1980 | HKD | 3.85 | 3.85 | 3.85 | 3.85 | 1.0694 | 0.0 (0.0%) | 0 |
| 9 Jun 1980 | HKD | 3.85 | 3.85 | 3.85 | 3.85 | 1.0694 | 0.0 (0.0%) | 0 |
| 6 Jun 1980 | HKD | 3.85 | 3.85 | 3.85 | 3.85 | 1.0694 | 0.0 (0.0%) | 4,000 |
| 5 Jun 1980 | HKD | 3.85 | 3.85 | 3.85 | 3.85 | 1.0694 | +0.05 (+1.32%) | 2,000 |
| 4 Jun 1980 | HKD | 3.8 | 3.8 | 3.8 | 3.8 | 1.0556 | 0.0 (0.0%) | 4,000 |
| 3 Jun 1980 | HKD | 3.8 | 3.8 | 3.8 | 3.8 | 1.0556 | +0.05 (+1.33%) | 2,200 |
| 2 Jun 1980 | HKD | 3.75 | 3.75 | 3.75 | 3.75 | 1.0417 | -0.05 (-1.32%) | 2,000 |
| 30 May 1980 | HKD | 3.8 | 3.8 | 3.8 | 3.8 | 1.0556 | 0.0 (0.0%) | 6,600 |
| 29 May 1980 | HKD | 3.8 | 3.8 | 3.7 | 3.8 | 1.0556 | +0.15 (+4.11%) | 8,400 |
| 28 May 1980 | HKD | 3.65 | 3.65 | 3.65 | 3.65 | 1.0139 | 0.0 (0.0%) | 0 |
| 27 May 1980 | HKD | 3.65 | 3.65 | 3.65 | 3.65 | 1.0139 | 0.0 (0.0%) | 0 |
| 26 May 1980 | HKD | 3.65 | 3.65 | 3.65 | 3.65 | 1.0139 | -0.15 (-3.95%) | 2,000 |
| 23 May 1980 | HKD | 3.8 | 3.8 | 3.8 | 3.8 | 1.0556 | +0.2 (+5.56%) | 2,000 |
| 22 May 1980 | HKD | 3.6 | 3.6 | 3.6 | 3.6 | 1 | -0.1 (-2.70%) | 2,000 |
| 21 May 1980 | HKD | 3.7 | 3.7 | 3.7 | 3.7 | 1.0278 | 0.0 (0.0%) | 0 |
| 20 May 1980 | HKD | 3.7 | 3.7 | 3.7 | 3.7 | 1.0278 | +0.1 (+2.78%) | 14,400 |
| 19 May 1980 | HKD | 3.6 | 3.6 | 3.6 | 3.6 | 1 | -0.1 (-2.70%) | 12,000 |
| 16 May 1980 | HKD | 3.7 | 3.7 | 3.7 | 3.7 | 1.0278 | +0.025 (+0.68%) | 5,000 |
| 15 May 1980 | HKD | 3.625 | 3.675 | 3.625 | 3.675 | 1.0208 | +0.075 (+2.08%) | 20,200 |
| 14 May 1980 | HKD | 3.6 | 3.6 | 3.6 | 3.6 | 1 | -0.1 (-2.70%) | 2,000 |
| 13 May 1980 | HKD | 3.7 | 3.7 | 3.7 | 3.7 | 1.0278 | +0.1 (+2.78%) | 6,000 |
| 12 May 1980 | HKD | 3.6 | 3.6 | 3.6 | 3.6 | 1 | +0.075 (+2.13%) | 2,000 |
| 9 May 1980 | HKD | 3.525 | 3.525 | 3.525 | 3.525 | 0.9792 | -0.1 (-2.76%) | 2,000 |
| 8 May 1980 | HKD | 3.65 | 3.65 | 3.625 | 3.625 | 1.0069 | +0.125 (+3.57%) | 4,200 |
