| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 30 Jul 1980 | HKD | 4.95 | 5 | 4.9 | 4.95 | 15.3295 | 0.0 (0.0%) | 2,170,800 |
| 29 Jul 1980 | HKD | 4.95 | 4.95 | 4.85 | 4.95 | 15.3295 | -0.025 (-0.50%) | 2,317,400 |
| 28 Jul 1980 | HKD | 5 | 5.1 | 4.95 | 4.975 | 15.4069 | +0.075 (+1.53%) | 3,592,200 |
| 25 Jul 1980 | HKD | 4.875 | 4.975 | 4.85 | 4.9 | 15.1746 | +0.1 (+2.08%) | 3,158,000 |
| 24 Jul 1980 | HKD | 4.625 | 4.8 | 4.575 | 4.8 | 14.865 | +0.175 (+3.78%) | 3,408,000 |
| 23 Jul 1980 | HKD | 4.625 | 4.65 | 4.55 | 4.625 | 14.323 | +0.045 (+0.98%) | 2,364,400 |
| 22 Jul 1980 | HKD | 4.58 | 4.58 | 4.58 | 4.58 | 14.1836 | +0.005 (+0.11%) | 0 |
| 21 Jul 1980 | HKD | 4.45 | 4.575 | 4.45 | 4.575 | 14.1682 | +0.15 (+3.39%) | 1,750,640 |
| 18 Jul 1980 | HKD | 4.45 | 4.475 | 4.375 | 4.425 | 13.7036 | +0.05 (+1.14%) | 1,530,000 |
| 17 Jul 1980 | HKD | 4.425 | 4.45 | 4.375 | 4.375 | 13.5488 | 0.0 (0.0%) | 1,855,200 |
| 16 Jul 1980 | HKD | 4.525 | 4.575 | 4.35 | 4.375 | 13.5488 | -0.175 (-3.85%) | 2,978,200 |
| 15 Jul 1980 | HKD | 4.675 | 4.725 | 4.55 | 4.55 | 14.0907 | -0.1 (-2.15%) | 2,684,400 |
| 14 Jul 1980 | HKD | 4.575 | 4.65 | 4.525 | 4.65 | 14.4004 | 0.0 (0.0%) | 2,174,000 |
| 11 Jul 1980 | HKD | 4.6 | 4.725 | 4.6 | 4.65 | 14.4004 | +0.075 (+1.64%) | 3,209,400 |
| 10 Jul 1980 | HKD | 4.675 | 4.675 | 4.575 | 4.575 | 14.1682 | -0.05 (-1.08%) | 1,322,400 |
| 9 Jul 1980 | HKD | 4.5 | 4.675 | 4.5 | 4.625 | 14.323 | +0.125 (+2.78%) | 3,312,420 |
| 8 Jul 1980 | HKD | 4.5 | 4.65 | 4.475 | 4.5 | 13.9359 | 0.0 (0.0%) | 2,462,000 |
| 7 Jul 1980 | HKD | 4.45 | 4.5 | 4.425 | 4.5 | 13.9359 | +0.1 (+2.27%) | 2,374,400 |
| 4 Jul 1980 | HKD | 4.5 | 4.55 | 4.375 | 4.4 | 13.6262 | -0.075 (-1.68%) | 1,412,400 |
| 3 Jul 1980 | HKD | 4.4 | 4.5 | 4.4 | 4.475 | 13.8585 | +0.15 (+3.47%) | 1,656,800 |
| 2 Jul 1980 | HKD | 4.45 | 4.55 | 4.3 | 4.325 | 13.3939 | -0.205 (-4.53%) | 2,732,760 |
| 1 Jul 1980 | HKD | 4.53 | 4.53 | 4.53 | 4.53 | 14.0288 | +0.005 (+0.11%) | 0 |
| 30 Jun 1980 | HKD | 4.625 | 4.65 | 4.525 | 4.525 | 14.0133 | -0.05 (-1.09%) | 3,284,000 |
| 27 Jun 1980 | HKD | 4.6 | 4.625 | 4.5 | 4.575 | 14.1682 | +0.025 (+0.55%) | 3,120,800 |
| 26 Jun 1980 | HKD | 4.325 | 4.55 | 4.3 | 4.55 | 14.0907 | +0.25 (+5.81%) | 4,649,400 |
| 25 Jun 1980 | HKD | 4.25 | 4.375 | 4.2 | 4.3 | 13.3165 | -0.025 (-0.58%) | 2,589,800 |
| 24 Jun 1980 | HKD | 4.35 | 4.4 | 4.3 | 4.325 | 13.3939 | 0.0 (0.0%) | 1,872,400 |
| 23 Jun 1980 | HKD | 4.5 | 4.65 | 4.3 | 4.325 | 13.3939 | +0.025 (+0.58%) | 4,018,000 |
| 20 Jun 1980 | HKD | 4.15 | 4.325 | 4.05 | 4.3 | 13.3165 | +0.15 (+3.61%) | 2,210,400 |
| 19 Jun 1980 | HKD | 4.3 | 4.35 | 4.1 | 4.15 | 12.852 | -0.15 (-3.49%) | 3,000,200 |
