| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 6 May 1980 | HKD | 1.28 | 1.3 | 1.28 | 1.29 | 1.29 | +0.01 (+0.78%) | 377,500 |
| 5 May 1980 | HKD | 1.28 | 1.28 | 1.28 | 1.28 | 1.28 | 0.0 (0.0%) | 42,500 |
| 2 May 1980 | HKD | 1.28 | 1.28 | 1.26 | 1.28 | 1.28 | -0.01 (-0.78%) | 35,000 |
| 1 May 1980 | HKD | 1.3 | 1.3 | 1.28 | 1.29 | 1.29 | -0.01 (-0.77%) | 73,200 |
| 30 Apr 1980 | HKD | 1.28 | 1.3 | 1.28 | 1.3 | 1.3 | 0.0 (0.0%) | 89,500 |
| 29 Apr 1980 | HKD | 1.28 | 1.3 | 1.27 | 1.3 | 1.3 | +0.01 (+0.78%) | 157,500 |
| 28 Apr 1980 | HKD | 1.3 | 1.3 | 1.28 | 1.29 | 1.29 | -0.01 (-0.77%) | 70,000 |
| 25 Apr 1980 | HKD | 1.28 | 1.31 | 1.26 | 1.3 | 1.3 | 0.0 (0.0%) | 195,000 |
| 24 Apr 1980 | HKD | 1.26 | 1.3 | 1.26 | 1.3 | 1.3 | +0.05 (+4%) | 230,000 |
| 23 Apr 1980 | HKD | 1.26 | 1.26 | 1.25 | 1.25 | 1.25 | 0.0 (0.0%) | 324,700 |
| 22 Apr 1980 | HKD | 1.28 | 1.28 | 1.25 | 1.25 | 1.25 | -0.01 (-0.79%) | 160,000 |
| 21 Apr 1980 | HKD | 1.26 | 1.26 | 1.26 | 1.26 | 1.26 | 0.0 (0.0%) | 0 |
| 18 Apr 1980 | HKD | 1.24 | 1.26 | 1.23 | 1.26 | 1.26 | +0.01 (+0.80%) | 1,443,200 |
| 17 Apr 1980 | HKD | 1.23 | 1.27 | 1.22 | 1.25 | 1.25 | +0.01 (+0.81%) | 260,770 |
| 16 Apr 1980 | HKD | 1.22 | 1.24 | 1.22 | 1.24 | 1.24 | +0.01 (+0.81%) | 1,342,200 |
| 15 Apr 1980 | HKD | 1.26 | 1.26 | 1.23 | 1.23 | 1.23 | -0.03 (-2.38%) | 382,500 |
| 14 Apr 1980 | HKD | 1.29 | 1.29 | 1.26 | 1.26 | 1.26 | -0.03 (-2.33%) | 305,000 |
| 11 Apr 1980 | HKD | 1.3 | 1.3 | 1.28 | 1.29 | 1.29 | 0.0 (0.0%) | 432,500 |
| 10 Apr 1980 | HKD | 1.27 | 1.3 | 1.26 | 1.29 | 1.29 | +0.02 (+1.57%) | 152,500 |
| 9 Apr 1980 | HKD | 1.28 | 1.28 | 1.26 | 1.27 | 1.27 | -0.01 (-0.78%) | 55,000 |
| 8 Apr 1980 | HKD | 1.26 | 1.28 | 1.26 | 1.28 | 1.28 | 0.0 (0.0%) | 70,000 |
| 7 Apr 1980 | HKD | 1.28 | 1.28 | 1.28 | 1.28 | 1.28 | 0.0 (0.0%) | 0 |
| 3 Apr 1980 | HKD | 1.3 | 1.3 | 1.25 | 1.28 | 1.28 | -0.12 (-8.57%) | 512,500 |
| 2 Apr 1980 | HKD | 1.35 | 1.4 | 1.35 | 1.4 | 1.4 | +0.05 (+3.70%) | 95,300 |
| 1 Apr 1980 | HKD | 1.35 | 1.37 | 1.35 | 1.35 | 1.35 | -0.03 (-2.17%) | 112,900 |
| 31 Mar 1980 | HKD | 1.38 | 1.38 | 1.38 | 1.38 | 1.38 | 0.0 (0.0%) | 0 |
| 28 Mar 1980 | HKD | 1.32 | 1.38 | 1.29 | 1.38 | 1.38 | +0.09 (+6.98%) | 1,667,910 |
| 27 Mar 1980 | HKD | 1.3 | 1.3 | 1.28 | 1.29 | 1.29 | 0.0 (0.0%) | 207,500 |
| 26 Mar 1980 | HKD | 1.29 | 1.3 | 1.28 | 1.29 | 1.29 | 0.0 (0.0%) | 75,000 |
| 25 Mar 1980 | HKD | 1.28 | 1.3 | 1.28 | 1.29 | 1.29 | -0.03 (-2.27%) | 145,000 |
