| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 Aug 1980 | USD | 17.25 | 17.501 | 17.25 | 17.25 | 0.7188 | 0.0 (0.0%) | 4,900 |
| 11 Aug 1980 | USD | 17.25 | 17.501 | 17.126 | 17.25 | 0.7188 | -0.125 (-0.72%) | 9,000 |
| 8 Aug 1980 | USD | 17.375 | 17.876 | 17.375 | 17.375 | 0.724 | -0.375 (-2.11%) | 11,800 |
| 7 Aug 1980 | USD | 17.75 | 18.375 | 17.625 | 17.75 | 0.7396 | -0.126 (-0.70%) | 18,700 |
| 6 Aug 1980 | USD | 17.876 | 18.125 | 16.625 | 17.876 | 0.7448 | +1.001 (+5.93%) | 28,600 |
| 5 Aug 1980 | USD | 16.875 | 16.875 | 16.625 | 16.875 | 0.7031 | 0.0 (0.0%) | 18,000 |
| 4 Aug 1980 | USD | 16.875 | 17 | 16.751 | 16.875 | 0.7031 | +0.124 (+0.74%) | 10,500 |
| 1 Aug 1980 | USD | 16.751 | 17 | 16.5 | 16.751 | 0.698 | -0.249 (-1.46%) | 19,200 |
| 31 Jul 1980 | USD | 17 | 17.375 | 16.5 | 17 | 0.7083 | -0.25 (-1.45%) | 25,100 |
| 30 Jul 1980 | USD | 17.25 | 17.25 | 15 | 17.25 | 0.7188 | +2.25 (+15%) | 62,600 |
| 29 Jul 1980 | USD | 15 | 15.251 | 14.876 | 15 | 0.625 | 0.0 (0.0%) | 20,500 |
| 28 Jul 1980 | USD | 15 | 15.75 | 15 | 15 | 0.625 | -0.75 (-4.76%) | 29,500 |
| 25 Jul 1980 | USD | 15.75 | 15.75 | 15.125 | 15.75 | 0.6562 | 0.0 (0.0%) | 16,100 |
| 24 Jul 1980 | USD | 15.75 | 15.875 | 15.5 | 15.75 | 0.6562 | +0.25 (+1.61%) | 6,500 |
| 23 Jul 1980 | USD | 15.5 | 15.875 | 15.5 | 15.5 | 0.6458 | -0.25 (-1.59%) | 13,000 |
| 22 Jul 1980 | USD | 15.75 | 16.001 | 15.375 | 15.75 | 0.6562 | +0.25 (+1.61%) | 17,700 |
| 21 Jul 1980 | USD | 15.5 | 15.626 | 15.375 | 15.5 | 0.6458 | +0.125 (+0.81%) | 14,800 |
| 18 Jul 1980 | USD | 15.375 | 15.75 | 14.75 | 15.375 | 0.6406 | +0.625 (+4.24%) | 17,700 |
| 17 Jul 1980 | USD | 14.75 | 15.251 | 14.625 | 14.75 | 0.6146 | -0.375 (-2.48%) | 18,100 |
| 16 Jul 1980 | USD | 15.125 | 15.5 | 14.375 | 15.125 | 0.6302 | +0.75 (+5.22%) | 22,800 |
| 15 Jul 1980 | USD | 14.375 | 14.375 | 14.25 | 14.375 | 0.599 | +0.125 (+0.88%) | 16,600 |
| 14 Jul 1980 | USD | 14.25 | 14.25 | 13.875 | 14.25 | 0.5938 | +0.375 (+2.70%) | 43,200 |
| 11 Jul 1980 | USD | 13.875 | 14 | 13.875 | 13.875 | 0.5781 | -0.125 (-0.89%) | 18,800 |
| 10 Jul 1980 | USD | 14 | 14.25 | 14 | 14 | 0.5833 | -0.25 (-1.75%) | 20,300 |
| 9 Jul 1980 | USD | 14.25 | 14.25 | 13.625 | 14.25 | 0.5938 | +0.124 (+0.88%) | 21,100 |
| 8 Jul 1980 | USD | 14.126 | 14.625 | 14 | 14.126 | 0.5886 | -0.499 (-3.41%) | 21,200 |
| 7 Jul 1980 | USD | 14.625 | 14.625 | 13.751 | 14.625 | 0.6094 | +0.745 (+5.37%) | 47,100 |
| 4 Jul 1980 | USD | 13.88 | 13.88 | 13.88 | 13.88 | 0.5783 | +0.005 (+0.04%) | 0 |
| 3 Jul 1980 | USD | 13.875 | 13.875 | 13.376 | 13.875 | 0.5781 | +0.499 (+3.73%) | 29,000 |
| 2 Jul 1980 | USD | 13.376 | 13.376 | 13.001 | 13.376 | 0.5573 | +0.126 (+0.95%) | 12,500 |
