| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 20 Feb 1981 | USD | 34.5 | 34.626 | 34 | 34.5 | 3.7756 | -0.25 (-0.72%) | 7,100 |
| 19 Feb 1981 | USD | 34.75 | 34.876 | 34.5 | 34.75 | 3.803 | 0.0 (0.0%) | 9,600 |
| 18 Feb 1981 | USD | 34.75 | 35.126 | 34.5 | 34.75 | 3.803 | -0.126 (-0.36%) | 2,500 |
| 17 Feb 1981 | USD | 34.876 | 35.75 | 34.626 | 34.876 | 3.8168 | 0.0 (0.0%) | 9,700 |
| 16 Feb 1981 | USD | 34.876 | 34.876 | 34.876 | 34.876 | 3.8168 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 34.876 | 35.626 | 34.25 | 34.876 | 3.8168 | -0.374 (-1.06%) | 9,300 |
| 12 Feb 1981 | USD | 35.25 | 36 | 34.75 | 35.25 | 3.8577 | -0.75 (-2.08%) | 6,000 |
| 11 Feb 1981 | USD | 36 | 37.376 | 36 | 36 | 3.9398 | -1.25 (-3.36%) | 6,400 |
| 10 Feb 1981 | USD | 37.25 | 37.876 | 37.25 | 37.25 | 4.0766 | -0.626 (-1.65%) | 4,800 |
| 9 Feb 1981 | USD | 37.876 | 37.876 | 37.626 | 37.876 | 4.1451 | +0.126 (+0.33%) | 9,100 |
| 6 Feb 1981 | USD | 37.75 | 37.75 | 37 | 37.75 | 4.1313 | +0.624 (+1.68%) | 6,500 |
| 5 Feb 1981 | USD | 37.126 | 37.126 | 36.376 | 37.126 | 4.063 | +0.25 (+0.68%) | 3,100 |
| 4 Feb 1981 | USD | 36.876 | 38 | 36.876 | 36.876 | 4.0356 | -1 (-2.64%) | 8,800 |
| 3 Feb 1981 | USD | 37.876 | 38 | 36.5 | 37.876 | 4.1451 | -0.124 (-0.33%) | 16,500 |
| 2 Feb 1981 | USD | 38 | 38.75 | 38 | 38 | 4.1586 | -1 (-2.56%) | 14,700 |
| 30 Jan 1981 | USD | 39 | 39.25 | 38.376 | 39 | 4.2681 | +0.624 (+1.63%) | 8,900 |
| 29 Jan 1981 | USD | 38.376 | 38.376 | 38 | 38.376 | 4.1998 | +0.126 (+0.33%) | 3,500 |
| 28 Jan 1981 | USD | 38.25 | 38.376 | 38 | 38.25 | 4.186 | -0.126 (-0.33%) | 5,900 |
| 27 Jan 1981 | USD | 38.376 | 38.626 | 37.25 | 38.376 | 4.1998 | +1 (+2.68%) | 6,400 |
| 26 Jan 1981 | USD | 37.376 | 37.75 | 37 | 37.376 | 4.0904 | -0.374 (-0.99%) | 6,800 |
| 23 Jan 1981 | USD | 37.75 | 38.25 | 37.376 | 37.75 | 4.1313 | -0.25 (-0.66%) | 6,900 |
| 22 Jan 1981 | USD | 38 | 39 | 37.75 | 38 | 4.1586 | -0.626 (-1.62%) | 6,300 |
| 21 Jan 1981 | USD | 38.626 | 39 | 38.126 | 38.626 | 4.2271 | -0.5 (-1.28%) | 5,200 |
| 20 Jan 1981 | USD | 39.126 | 39.5 | 39.126 | 39.126 | 4.2819 | -0.124 (-0.32%) | 4,300 |
| 19 Jan 1981 | USD | 39.25 | 39.376 | 39.25 | 39.25 | 4.2954 | -0.376 (-0.95%) | 7,600 |
| 16 Jan 1981 | USD | 39.626 | 40.376 | 39.25 | 39.626 | 4.3366 | +0.25 (+0.63%) | 18,000 |
| 15 Jan 1981 | USD | 39.376 | 39.626 | 38.876 | 39.376 | 4.3092 | 0.0 (0.0%) | 10,700 |
| 14 Jan 1981 | USD | 39.376 | 39.626 | 39.126 | 39.376 | 4.3092 | -0.25 (-0.63%) | 10,000 |
| 13 Jan 1981 | USD | 39.626 | 40.5 | 39.376 | 39.626 | 4.3366 | -0.75 (-1.86%) | 4,500 |
| 12 Jan 1981 | USD | 40.376 | 40.626 | 39.626 | 40.376 | 4.4187 | +0.75 (+1.89%) | 6,900 |
