| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 23 Sep 1980 | HKD | 2.5 | 2.6 | 2.45 | 2.6 | 1.8909 | +0.1 (+4%) | 1,153,000 |
| 22 Sep 1980 | HKD | 2.45 | 2.55 | 2.4 | 2.5 | 1.8182 | +0.15 (+6.38%) | 650,000 |
| 19 Sep 1980 | HKD | 2.325 | 2.45 | 2.3 | 2.35 | 1.7091 | +0.075 (+3.30%) | 607,000 |
| 18 Sep 1980 | HKD | 2.3 | 2.325 | 2.275 | 2.275 | 1.6545 | -0.025 (-1.09%) | 225,000 |
| 17 Sep 1980 | HKD | 2.275 | 2.3 | 2.2 | 2.3 | 1.6727 | +0.025 (+1.10%) | 134,000 |
| 16 Sep 1980 | HKD | 2.3 | 2.35 | 2.2 | 2.275 | 1.6545 | -0.025 (-1.09%) | 130,600 |
| 15 Sep 1980 | HKD | 2.3 | 2.35 | 2.3 | 2.3 | 1.6727 | 0.0 (0.0%) | 350,800 |
| 12 Sep 1980 | HKD | 2.3 | 2.325 | 2.275 | 2.3 | 1.6727 | 0.0 (0.0%) | 353,200 |
| 11 Sep 1980 | HKD | 2.25 | 2.325 | 2.25 | 2.3 | 1.6727 | +0.025 (+1.10%) | 702,000 |
| 10 Sep 1980 | HKD | 2.25 | 2.325 | 2.2 | 2.275 | 1.6545 | +0.075 (+3.41%) | 284,000 |
| 9 Sep 1980 | HKD | 2.25 | 2.25 | 2.15 | 2.2 | 1.6 | -0.1 (-4.35%) | 522,000 |
| 8 Sep 1980 | HKD | 2.2 | 2.325 | 2.2 | 2.3 | 1.6727 | -0.1 (-4.17%) | 280,000 |
| 5 Sep 1980 | HKD | 2.375 | 2.425 | 2.375 | 2.4 | 1.7455 | +0.025 (+1.05%) | 317,000 |
| 4 Sep 1980 | HKD | 2.4 | 2.4 | 2.25 | 2.375 | 1.7273 | -0.025 (-1.04%) | 220,000 |
| 3 Sep 1980 | HKD | 2.4 | 2.425 | 2.375 | 2.4 | 1.7455 | +0.025 (+1.05%) | 228,200 |
| 2 Sep 1980 | HKD | 2.45 | 2.45 | 2.375 | 2.375 | 1.7273 | -0.025 (-1.04%) | 318,000 |
| 1 Sep 1980 | HKD | 2.475 | 2.5 | 2.4 | 2.4 | 1.7455 | 0.0 (0.0%) | 323,000 |
| 29 Aug 1980 | HKD | 2.35 | 2.45 | 2.35 | 2.4 | 1.7455 | +0.025 (+1.05%) | 278,000 |
| 28 Aug 1980 | HKD | 2.5 | 2.55 | 2.35 | 2.375 | 1.7273 | -0.125 (-5%) | 307,800 |
| 27 Aug 1980 | HKD | 2.6 | 2.6 | 2.5 | 2.5 | 1.8182 | -0.075 (-2.91%) | 370,000 |
| 26 Aug 1980 | HKD | 2.625 | 2.65 | 2.55 | 2.575 | 1.8727 | +0.045 (+1.78%) | 1,450,800 |
| 25 Aug 1980 | HKD | 2.53 | 2.53 | 2.53 | 2.53 | 1.84 | +0.005 (+0.20%) | 0 |
| 22 Aug 1980 | HKD | 2.575 | 2.575 | 2.45 | 2.525 | 1.8364 | -0.025 (-0.98%) | 291,000 |
| 21 Aug 1980 | HKD | 2.6 | 2.6 | 2.525 | 2.55 | 1.8545 | +0.025 (+0.99%) | 504,400 |
| 20 Aug 1980 | HKD | 2.525 | 2.575 | 2.475 | 2.525 | 1.8364 | 0.0 (0.0%) | 466,400 |
| 19 Aug 1980 | HKD | 2.5 | 2.6 | 2.5 | 2.525 | 1.8364 | -0.05 (-1.94%) | 541,800 |
| 18 Aug 1980 | HKD | 2.4 | 2.65 | 2.4 | 2.575 | 1.8727 | +0.2 (+8.42%) | 1,103,000 |
| 15 Aug 1980 | HKD | 2.375 | 2.375 | 2.3 | 2.375 | 1.7273 | +0.075 (+3.26%) | 341,400 |
| 14 Aug 1980 | HKD | 2.325 | 2.35 | 2.225 | 2.3 | 1.6727 | 0.0 (0.0%) | 460,000 |
| 13 Aug 1980 | HKD | 2.25 | 2.325 | 2.25 | 2.3 | 1.6727 | +0.05 (+2.22%) | 509,000 |
