| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 11 Aug 1980 | USD | 11.375 | 11.625 | 11.375 | 11.375 | 2.8438 | +0.625 (+5.81%) | 120,400 |
| 8 Aug 1980 | USD | 10.75 | 10.875 | 10.75 | 10.75 | 2.6875 | +0.25 (+2.38%) | 109,600 |
| 7 Aug 1980 | USD | 10.5 | 10.75 | 10.5 | 10.5 | 2.625 | +0.5 (+5%) | 239,400 |
| 6 Aug 1980 | USD | 10 | 10.125 | 10 | 10 | 2.5 | +0.375 (+3.90%) | 122,200 |
| 5 Aug 1980 | USD | 9.625 | 9.875 | 9.625 | 9.625 | 2.4062 | 0.0 (0.0%) | 55,300 |
| 4 Aug 1980 | USD | 9.625 | 9.75 | 9.625 | 9.625 | 2.4062 | 0.0 (0.0%) | 87,500 |
| 1 Aug 1980 | USD | 9.625 | 9.875 | 9.625 | 9.625 | 2.4062 | 0.0 (0.0%) | 106,600 |
| 31 Jul 1980 | USD | 9.625 | 9.75 | 9.625 | 9.625 | 2.4062 | -0.125 (-1.28%) | 98,300 |
| 30 Jul 1980 | USD | 9.75 | 10 | 9.75 | 9.75 | 2.4375 | +0.125 (+1.30%) | 155,900 |
| 29 Jul 1980 | USD | 9.625 | 9.75 | 9.625 | 9.625 | 2.4062 | +0.625 (+6.94%) | 126,400 |
| 28 Jul 1980 | USD | 9 | 9.125 | 9 | 9 | 2.25 | 0.0 (0.0%) | 98,600 |
| 25 Jul 1980 | USD | 9 | 9.125 | 9 | 9 | 2.25 | -0.25 (-2.70%) | 19,600 |
| 24 Jul 1980 | USD | 9.25 | 9.5 | 9.25 | 9.25 | 2.3125 | -0.25 (-2.63%) | 24,900 |
| 23 Jul 1980 | USD | 9.5 | 9.625 | 9.5 | 9.5 | 2.375 | +0.125 (+1.33%) | 16,900 |
| 22 Jul 1980 | USD | 9.375 | 9.625 | 9.375 | 9.375 | 2.3438 | -0.5 (-5.06%) | 33,200 |
| 21 Jul 1980 | USD | 9.875 | 10 | 9.875 | 9.875 | 2.4688 | 0.0 (0.0%) | 36,500 |
| 18 Jul 1980 | USD | 9.875 | 10 | 9.875 | 9.875 | 2.4688 | 0.0 (0.0%) | 71,900 |
| 17 Jul 1980 | USD | 9.875 | 10 | 9.875 | 9.875 | 2.4688 | +0.5 (+5.33%) | 60,800 |
| 16 Jul 1980 | USD | 9.375 | 9.5 | 9.375 | 9.375 | 2.3438 | -0.5 (-5.06%) | 42,800 |
| 15 Jul 1980 | USD | 9.875 | 10.125 | 9.875 | 9.875 | 2.4688 | -0.5 (-4.82%) | 87,100 |
| 14 Jul 1980 | USD | 10.375 | 10.625 | 10.375 | 10.375 | 2.5938 | -0.375 (-3.49%) | 105,000 |
| 11 Jul 1980 | USD | 10.75 | 11 | 10.75 | 10.75 | 2.6875 | +0.375 (+3.61%) | 154,600 |
| 10 Jul 1980 | USD | 10.375 | 10.5 | 10.375 | 10.375 | 2.5938 | +1 (+10.67%) | 106,300 |
| 9 Jul 1980 | USD | 9.375 | 9.625 | 9.375 | 9.375 | 2.3438 | +0.25 (+2.74%) | 74,200 |
| 8 Jul 1980 | USD | 9.125 | 9.375 | 9.125 | 9.125 | 2.2812 | +0.125 (+1.39%) | 50,600 |
| 7 Jul 1980 | USD | 9 | 9.25 | 9 | 9 | 2.25 | +0.25 (+2.86%) | 40,800 |
| 4 Jul 1980 | USD | 8.75 | 8.75 | 8.75 | 8.75 | 2.1875 | 0.0 (0.0%) | 0 |
| 3 Jul 1980 | USD | 8.75 | 9.25 | 8.75 | 8.75 | 2.1875 | 0.0 (0.0%) | 18,000 |
| 2 Jul 1980 | USD | 8.75 | 9.25 | 8.75 | 8.75 | 2.1875 | 0.0 (0.0%) | 27,200 |
| 1 Jul 1980 | USD | 8.75 | 9.25 | 8.75 | 8.75 | 2.1875 | 0.0 (0.0%) | 42,400 |
