| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 2 Oct 1980 | USD | 27.75 | 28 | 27.5 | 27.75 | 4.841 | -0.125 (-0.45%) | 53,100 |
| 1 Oct 1980 | USD | 27.875 | 28 | 27.75 | 27.875 | 4.8628 | -0.125 (-0.45%) | 44,000 |
| 30 Sep 1980 | USD | 28 | 28 | 27.375 | 28 | 4.8846 | +0.625 (+2.28%) | 86,800 |
| 29 Sep 1980 | USD | 27.375 | 28 | 27.125 | 27.375 | 4.7756 | -1.625 (-5.60%) | 45,300 |
| 26 Sep 1980 | USD | 29 | 29.625 | 28.625 | 29 | 5.059 | -0.625 (-2.11%) | 29,500 |
| 25 Sep 1980 | USD | 29.625 | 30.5 | 29.25 | 29.625 | 5.1681 | +0.625 (+2.16%) | 28,000 |
| 24 Sep 1980 | USD | 29 | 29.125 | 28.375 | 29 | 5.059 | +0.125 (+0.43%) | 66,300 |
| 23 Sep 1980 | USD | 28.875 | 30.875 | 28.75 | 28.875 | 5.0372 | -1.875 (-6.10%) | 82,100 |
| 22 Sep 1980 | USD | 30.75 | 30.875 | 30.5 | 30.75 | 5.3643 | 0.0 (0.0%) | 25,800 |
| 19 Sep 1980 | USD | 30.75 | 30.75 | 30.5 | 30.75 | 5.3643 | +0.125 (+0.41%) | 22,500 |
| 18 Sep 1980 | USD | 30.625 | 30.625 | 30.25 | 30.625 | 5.3425 | +0.375 (+1.24%) | 19,700 |
| 17 Sep 1980 | USD | 30.25 | 30.5 | 30.125 | 30.25 | 5.2771 | -0.125 (-0.41%) | 46,400 |
| 16 Sep 1980 | USD | 30.375 | 30.375 | 29.75 | 30.375 | 5.2989 | +0.5 (+1.67%) | 25,300 |
| 15 Sep 1980 | USD | 29.875 | 30 | 29.375 | 29.875 | 5.2117 | -0.25 (-0.83%) | 16,500 |
| 12 Sep 1980 | USD | 30.125 | 30.875 | 30.125 | 30.125 | 5.2553 | +0.75 (+2.55%) | 22,000 |
| 11 Sep 1980 | USD | 29.375 | 29.5 | 28.625 | 29.375 | 5.1244 | +0.875 (+3.07%) | 27,500 |
| 10 Sep 1980 | USD | 28.5 | 29.375 | 28 | 28.5 | 4.9718 | +0.75 (+2.70%) | 58,600 |
| 9 Sep 1980 | USD | 27.75 | 27.75 | 27.375 | 27.75 | 4.841 | +0.125 (+0.45%) | 24,400 |
| 8 Sep 1980 | USD | 27.625 | 27.75 | 27.5 | 27.625 | 4.8192 | +0.125 (+0.45%) | 30,500 |
| 5 Sep 1980 | USD | 27.5 | 27.75 | 27.25 | 27.5 | 4.7974 | 0.0 (0.0%) | 17,100 |
| 4 Sep 1980 | USD | 27.5 | 28 | 27.125 | 27.5 | 4.7974 | +0.5 (+1.85%) | 45,500 |
| 3 Sep 1980 | USD | 27 | 27 | 25.375 | 27 | 4.7101 | +1.625 (+6.40%) | 18,200 |
| 2 Sep 1980 | USD | 25.375 | 25.375 | 25.125 | 25.375 | 4.4267 | +0.125 (+0.50%) | 13,900 |
| 29 Aug 1980 | USD | 25.25 | 25.5 | 25.25 | 25.25 | 4.4048 | 0.0 (0.0%) | 8,500 |
| 28 Aug 1980 | USD | 25.25 | 25.5 | 25.25 | 25.25 | 4.4048 | -0.125 (-0.49%) | 37,600 |
| 27 Aug 1980 | USD | 25.375 | 26 | 25.375 | 25.375 | 4.4267 | -0.375 (-1.46%) | 49,300 |
| 26 Aug 1980 | USD | 25.75 | 25.875 | 25.5 | 25.75 | 4.4921 | +0.125 (+0.49%) | 21,400 |
| 25 Aug 1980 | USD | 25.625 | 26 | 25.625 | 25.625 | 4.4703 | 0.0 (0.0%) | 5,000 |
| 22 Aug 1980 | USD | 25.625 | 26 | 25.625 | 25.625 | 4.4703 | -0.125 (-0.49%) | 11,600 |
| 21 Aug 1980 | USD | 25.75 | 26 | 25.75 | 25.75 | 4.4921 | 0.0 (0.0%) | 13,700 |
