| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Feb 1981 | USD | 74.003 | 74.003 | 73.125 | 74.003 | 0.8223 | +0.503 (+0.68%) | 2,600 |
| 3 Feb 1981 | USD | 73.5 | 74.003 | 72.998 | 73.5 | 0.8167 | 0.0 (0.0%) | 16,800 |
| 2 Feb 1981 | USD | 73.5 | 75.623 | 73.5 | 73.5 | 0.8167 | -2.123 (-2.81%) | 19,500 |
| 30 Jan 1981 | USD | 75.623 | 76.628 | 75.503 | 75.623 | 0.8403 | -0.877 (-1.15%) | 13,900 |
| 29 Jan 1981 | USD | 76.5 | 76.748 | 76.373 | 76.5 | 0.85 | -0.503 (-0.65%) | 1,000 |
| 28 Jan 1981 | USD | 77.003 | 77.498 | 77.003 | 77.003 | 0.8556 | -0.247 (-0.32%) | 1,400 |
| 27 Jan 1981 | USD | 77.25 | 77.873 | 76.253 | 77.25 | 0.8583 | +0.75 (+0.98%) | 16,900 |
| 26 Jan 1981 | USD | 76.5 | 77.25 | 76.5 | 76.5 | 0.85 | 0.0 (0.0%) | 7,100 |
| 23 Jan 1981 | USD | 76.5 | 77.123 | 75.998 | 76.5 | 0.85 | -0.878 (-1.13%) | 10,100 |
| 22 Jan 1981 | USD | 77.378 | 77.873 | 77.378 | 77.378 | 0.8598 | -0.247 (-0.32%) | 900 |
| 21 Jan 1981 | USD | 77.625 | 79.125 | 77.625 | 77.625 | 0.8625 | -1.875 (-2.36%) | 71,200 |
| 20 Jan 1981 | USD | 79.5 | 79.748 | 79.5 | 79.5 | 0.8833 | -0.128 (-0.16%) | 11,200 |
| 19 Jan 1981 | USD | 79.628 | 79.875 | 79.373 | 79.628 | 0.8848 | +0.503 (+0.64%) | 2,500 |
| 16 Jan 1981 | USD | 79.125 | 79.253 | 78.998 | 79.125 | 0.8792 | 0.0 (0.0%) | 2,200 |
| 15 Jan 1981 | USD | 79.125 | 79.125 | 78.75 | 79.125 | 0.8792 | +0.375 (+0.48%) | 1,400 |
| 14 Jan 1981 | USD | 78.75 | 79.5 | 78.75 | 78.75 | 0.875 | -0.248 (-0.31%) | 11,900 |
| 13 Jan 1981 | USD | 78.998 | 79.875 | 78.878 | 78.998 | 0.8778 | -1.005 (-1.26%) | 3,700 |
| 12 Jan 1981 | USD | 80.003 | 80.873 | 80.003 | 80.003 | 0.8889 | +0.128 (+0.16%) | 3,000 |
| 9 Jan 1981 | USD | 79.875 | 80.25 | 79.5 | 79.875 | 0.8875 | +0.127 (+0.16%) | 62,600 |
| 8 Jan 1981 | USD | 79.748 | 81 | 79.373 | 79.748 | 0.8861 | -1.005 (-1.24%) | 8,500 |
| 7 Jan 1981 | USD | 80.753 | 80.753 | 79.875 | 80.753 | 0.8973 | -1.747 (-2.12%) | 30,400 |
| 6 Jan 1981 | USD | 82.5 | 83.25 | 82.5 | 82.5 | 0.9167 | -0.128 (-0.15%) | 7,500 |
| 5 Jan 1981 | USD | 82.628 | 83.25 | 81.375 | 82.628 | 0.9181 | 0.0 (0.0%) | 69,900 |
| 2 Jan 1981 | USD | 82.628 | 82.748 | 82.628 | 82.628 | 0.9181 | -0.247 (-0.30%) | 7,200 |
| 31 Dec 1980 | USD | 82.875 | 83.378 | 82.373 | 82.875 | 0.9208 | -0.128 (-0.15%) | 11,600 |
| 30 Dec 1980 | USD | 83.003 | 84.375 | 83.003 | 83.003 | 0.9223 | -1.747 (-2.06%) | 4,600 |
| 29 Dec 1980 | USD | 84.75 | 86.123 | 84.75 | 84.75 | 0.9417 | -0.75 (-0.88%) | 68,400 |
| 26 Dec 1980 | USD | 85.5 | 85.5 | 84.375 | 85.5 | 0.95 | +0.997 (+1.18%) | 2,600 |
| 24 Dec 1980 | USD | 84.503 | 84.998 | 84.503 | 84.503 | 0.9389 | -1.5 (-1.74%) | 7,700 |
| 23 Dec 1980 | USD | 86.003 | 88.5 | 86.003 | 86.003 | 0.9556 | -2.37 (-2.68%) | 9,500 |
