| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 11 Aug 1980 | USD | 14.25 | 14.501 | 13.751 | 14.25 | 2.8148 | +0.25 (+1.79%) | 11,300 |
| 8 Aug 1980 | USD | 14 | 14 | 13.625 | 14 | 2.7654 | 0.0 (0.0%) | 12,300 |
| 7 Aug 1980 | USD | 14 | 14 | 13.625 | 14 | 2.7654 | +0.5 (+3.70%) | 4,200 |
| 6 Aug 1980 | USD | 13.5 | 14 | 13.5 | 13.5 | 2.6667 | -0.5 (-3.57%) | 3,500 |
| 5 Aug 1980 | USD | 14 | 14.25 | 14 | 14 | 2.7654 | 0.0 (0.0%) | 3,300 |
| 4 Aug 1980 | USD | 14 | 14.501 | 14 | 14 | 2.7654 | -0.375 (-2.61%) | 8,800 |
| 1 Aug 1980 | USD | 14.375 | 14.375 | 13.875 | 14.375 | 2.8395 | +0.375 (+2.68%) | 19,800 |
| 31 Jul 1980 | USD | 14 | 14 | 13.5 | 14 | 2.7654 | +0.375 (+2.75%) | 6,200 |
| 30 Jul 1980 | USD | 13.625 | 14 | 13.125 | 13.625 | 2.6914 | +0.375 (+2.83%) | 14,500 |
| 29 Jul 1980 | USD | 13.25 | 13.5 | 13.001 | 13.25 | 2.6173 | +0.375 (+2.91%) | 3,800 |
| 28 Jul 1980 | USD | 12.875 | 13.001 | 12.5 | 12.875 | 2.5432 | +0.125 (+0.98%) | 20,300 |
| 25 Jul 1980 | USD | 12.75 | 13.001 | 12.75 | 12.75 | 2.5185 | -0.251 (-1.93%) | 5,500 |
| 24 Jul 1980 | USD | 13.001 | 13.25 | 13.001 | 13.001 | 2.5681 | -0.124 (-0.94%) | 3,300 |
| 23 Jul 1980 | USD | 13.125 | 13.25 | 13.001 | 13.125 | 2.5926 | -0.375 (-2.78%) | 9,800 |
| 22 Jul 1980 | USD | 13.5 | 13.751 | 13.25 | 13.5 | 2.6667 | 0.0 (0.0%) | 21,800 |
| 21 Jul 1980 | USD | 13.5 | 13.875 | 13.376 | 13.5 | 2.6667 | +0.124 (+0.93%) | 6,400 |
| 18 Jul 1980 | USD | 13.376 | 14 | 13.376 | 13.376 | 2.6422 | 0.0 (0.0%) | 11,400 |
| 17 Jul 1980 | USD | 13.376 | 13.751 | 13.376 | 13.376 | 2.6422 | 0.0 (0.0%) | 8,100 |
| 16 Jul 1980 | USD | 13.376 | 13.5 | 13.001 | 13.376 | 2.6422 | +0.251 (+1.91%) | 6,100 |
| 15 Jul 1980 | USD | 13.125 | 14 | 13.125 | 13.125 | 2.5926 | -0.75 (-5.41%) | 39,200 |
| 14 Jul 1980 | USD | 13.875 | 14 | 12.251 | 13.875 | 2.7407 | +1.624 (+13.26%) | 24,300 |
| 11 Jul 1980 | USD | 12.251 | 12.251 | 12 | 12.251 | 2.42 | +0.251 (+2.09%) | 5,200 |
| 10 Jul 1980 | USD | 12 | 12.375 | 12 | 12 | 2.3704 | 0.0 (0.0%) | 32,200 |
| 9 Jul 1980 | USD | 12 | 12.251 | 12 | 12 | 2.3704 | 0.0 (0.0%) | 9,700 |
| 8 Jul 1980 | USD | 12 | 12.5 | 12 | 12 | 2.3704 | -0.251 (-2.05%) | 64,700 |
| 7 Jul 1980 | USD | 12.251 | 12.251 | 11.501 | 12.251 | 2.42 | +0.626 (+5.38%) | 25,800 |
| 4 Jul 1980 | USD | 11.625 | 11.625 | 11.625 | 11.625 | 2.2963 | 0.0 (0.0%) | 0 |
| 3 Jul 1980 | USD | 11.625 | 11.625 | 11.375 | 11.625 | 2.2963 | +0.25 (+2.20%) | 18,000 |
| 2 Jul 1980 | USD | 11.375 | 11.375 | 11.126 | 11.375 | 2.2469 | +0.249 (+2.24%) | 16,900 |
| 1 Jul 1980 | USD | 11.126 | 11.25 | 11.126 | 11.126 | 2.1977 | 0.0 (0.0%) | 2,300 |
