| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1980 | HKD | 6.38 | 6.435 | 6.38 | 6.435 | 5.85 | 0.0 (0.0%) | 324,974 |
| 3 Jun 1980 | HKD | 6.435 | 6.435 | 6.38 | 6.435 | 5.85 | 0.0 (0.0%) | 250,967 |
| 2 Jun 1980 | HKD | 6.49 | 6.545 | 6.38 | 6.435 | 5.85 | +0.055 (+0.86%) | 544,160 |
| 30 May 1980 | HKD | 6.27 | 6.38 | 6.27 | 6.38 | 5.8 | +0.055 (+0.87%) | 222,952 |
| 29 May 1980 | HKD | 6.325 | 6.38 | 6.27 | 6.325 | 5.75 | -0.055 (-0.86%) | 309,200 |
| 28 May 1980 | HKD | 6.215 | 6.38 | 6.105 | 6.38 | 5.8 | +0.165 (+2.65%) | 474,700 |
| 27 May 1980 | HKD | 6.38 | 6.38 | 6.16 | 6.215 | 5.65 | -0.165 (-2.59%) | 578,463 |
| 26 May 1980 | HKD | 6.545 | 6.545 | 6.38 | 6.38 | 5.8 | -0.055 (-0.85%) | 405,330 |
| 23 May 1980 | HKD | 6.49 | 6.545 | 6.38 | 6.435 | 5.85 | 0.0 (0.0%) | 562,700 |
| 22 May 1980 | HKD | 6.435 | 6.435 | 6.38 | 6.435 | 5.85 | -0.005 (-0.08%) | 279,645 |
| 21 May 1980 | HKD | 6.44 | 6.44 | 6.44 | 6.44 | 5.8545 | +0.005 (+0.08%) | 0 |
| 20 May 1980 | HKD | 6.49 | 6.49 | 6.38 | 6.435 | 5.85 | -0.055 (-0.85%) | 229,134 |
| 19 May 1980 | HKD | 6.545 | 6.545 | 6.435 | 6.49 | 5.9 | -0.055 (-0.84%) | 319,300 |
| 16 May 1980 | HKD | 6.71 | 6.71 | 6.435 | 6.545 | 5.95 | -0.22 (-3.25%) | 701,492 |
| 15 May 1980 | HKD | 6.655 | 6.765 | 6.655 | 6.765 | 6.15 | +0.055 (+0.82%) | 462,382 |
| 14 May 1980 | HKD | 6.765 | 6.765 | 6.71 | 6.71 | 6.1 | -0.055 (-0.81%) | 572,800 |
| 13 May 1980 | HKD | 6.82 | 6.82 | 6.71 | 6.765 | 6.15 | 0.0 (0.0%) | 940,712 |
| 12 May 1980 | HKD | 6.655 | 6.765 | 6.6 | 6.765 | 6.15 | +0.11 (+1.65%) | 434,179 |
| 9 May 1980 | HKD | 6.71 | 6.765 | 6.6 | 6.655 | 6.05 | -0.055 (-0.82%) | 1,292,200 |
| 8 May 1980 | HKD | 6.545 | 6.765 | 6.49 | 6.71 | 6.1 | +0.165 (+2.52%) | 719,509 |
| 7 May 1980 | HKD | 6.545 | 6.545 | 6.435 | 6.545 | 5.95 | 0.0 (0.0%) | 353,970 |
| 6 May 1980 | HKD | 6.49 | 6.6 | 6.49 | 6.545 | 5.95 | +0.165 (+2.59%) | 966,652 |
| 5 May 1980 | HKD | 6.325 | 6.435 | 6.27 | 6.38 | 5.8 | 0.0 (0.0%) | 261,562 |
| 2 May 1980 | HKD | 6.435 | 6.435 | 6.215 | 6.38 | 5.8 | -0.055 (-0.85%) | 571,556 |
| 1 May 1980 | HKD | 6.49 | 6.6 | 6.38 | 6.435 | 5.85 | 0.0 (0.0%) | 458,349 |
| 30 Apr 1980 | HKD | 6.435 | 6.545 | 6.38 | 6.435 | 5.85 | -0.055 (-0.85%) | 416,938 |
| 29 Apr 1980 | HKD | 6.655 | 6.655 | 6.49 | 6.49 | 5.9 | 0.0 (0.0%) | 556,646 |
| 28 Apr 1980 | HKD | 6.49 | 6.6 | 6.38 | 6.49 | 5.9 | +0.11 (+1.72%) | 656,924 |
| 25 Apr 1980 | HKD | 6.6 | 6.655 | 6.325 | 6.38 | 5.8 | -0.385 (-5.69%) | 943,884 |
| 24 Apr 1980 | HKD | 6.655 | 6.82 | 6.6 | 6.765 | 6.15 | +0.33 (+5.13%) | 1,588,961 |
