| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Aug 1980 | HKD | 90 | 93 | 89 | 91 | 81.5953 | +3 (+3.41%) | 277,497 |
| 21 Aug 1980 | HKD | 78.5 | 90 | 78.5 | 88 | 78.9053 | +9.5 (+12.10%) | 370,131 |
| 20 Aug 1980 | HKD | 75 | 79 | 75 | 78.5 | 70.3871 | +4 (+5.37%) | 222,681 |
| 19 Aug 1980 | HKD | 75 | 76 | 74.5 | 74.5 | 66.8005 | +0.5 (+0.68%) | 92,196 |
| 18 Aug 1980 | HKD | 77 | 77 | 74 | 74 | 66.3522 | -1.5 (-1.99%) | 80,560 |
| 15 Aug 1980 | HKD | 76 | 77 | 75 | 75.5 | 67.6972 | +0.5 (+0.67%) | 93,827 |
| 14 Aug 1980 | HKD | 73.5 | 75.5 | 73.5 | 75 | 67.2489 | +2 (+2.74%) | 67,317 |
| 13 Aug 1980 | HKD | 72.5 | 73.5 | 72 | 73 | 65.4556 | +1 (+1.39%) | 29,200 |
| 12 Aug 1980 | HKD | 71.5 | 72 | 71 | 72 | 64.5589 | +0.5 (+0.70%) | 13,540 |
| 11 Aug 1980 | HKD | 72.5 | 72.5 | 71.5 | 71.5 | 64.1106 | +0.5 (+0.70%) | 28,140 |
| 8 Aug 1980 | HKD | 72 | 72 | 70.5 | 71 | 63.6623 | -1 (-1.39%) | 46,976 |
| 7 Aug 1980 | HKD | 72 | 73 | 71.5 | 72 | 64.5589 | 0.0 (0.0%) | 48,920 |
| 6 Aug 1980 | HKD | 72 | 72.5 | 71.5 | 72 | 64.5589 | 0.0 (0.0%) | 78,200 |
| 5 Aug 1980 | HKD | 73 | 73 | 71.5 | 72 | 64.5589 | -2 (-2.70%) | 99,866 |
| 4 Aug 1980 | HKD | 74 | 74 | 74 | 74 | 66.3522 | 0.0 (0.0%) | 0 |
| 1 Aug 1980 | HKD | 74 | 74.5 | 73 | 74 | 66.3522 | 0.0 (0.0%) | 37,376 |
| 31 Jul 1980 | HKD | 74.5 | 75 | 74 | 74 | 66.3522 | -0.5 (-0.67%) | 152,400 |
| 30 Jul 1980 | HKD | 74.5 | 75 | 74 | 74.5 | 66.8005 | -0.5 (-0.67%) | 68,732 |
| 29 Jul 1980 | HKD | 74 | 75 | 73.5 | 75 | 67.2489 | 0.0 (0.0%) | 60,789 |
| 28 Jul 1980 | HKD | 76 | 77.5 | 74 | 75 | 67.2489 | +0.5 (+0.67%) | 75,720 |
| 25 Jul 1980 | HKD | 73 | 75.5 | 72.5 | 74.5 | 66.8005 | +1.5 (+2.05%) | 128,372 |
| 24 Jul 1980 | HKD | 73.5 | 74 | 72.5 | 73 | 65.4556 | -1 (-1.35%) | 92,460 |
| 23 Jul 1980 | HKD | 74 | 74.5 | 73 | 74 | 66.3522 | 0.0 (0.0%) | 78,008 |
| 22 Jul 1980 | HKD | 74 | 74 | 74 | 74 | 66.3522 | 0.0 (0.0%) | 0 |
| 21 Jul 1980 | HKD | 74 | 74.5 | 73.5 | 74 | 66.3522 | -0.5 (-0.67%) | 41,132 |
| 18 Jul 1980 | HKD | 75 | 75 | 74.5 | 74.5 | 66.8005 | 0.0 (0.0%) | 22,100 |
| 17 Jul 1980 | HKD | 75 | 75.5 | 74 | 74.5 | 66.8005 | 0.0 (0.0%) | 40,943 |
| 16 Jul 1980 | HKD | 75 | 76 | 74 | 74.5 | 66.8005 | -1 (-1.32%) | 77,512 |
| 15 Jul 1980 | HKD | 77 | 77 | 75.5 | 75.5 | 67.6972 | -1.5 (-1.95%) | 81,200 |
| 14 Jul 1980 | HKD | 76.5 | 77 | 75 | 77 | 69.0422 | 0.0 (0.0%) | 21,500 |
