| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 23 Apr 1981 | USD | 40.25 | 41.25 | 39 | 40.25 | 5.0312 | +2.75 (+7.33%) | 17,700 |
| 22 Apr 1981 | USD | 37.5 | 37.875 | 37.5 | 37.5 | 4.6875 | -0.25 (-0.66%) | 3,400 |
| 21 Apr 1981 | USD | 37.75 | 38.125 | 37.75 | 37.75 | 4.7188 | +0.375 (+1.00%) | 7,300 |
| 20 Apr 1981 | USD | 37.375 | 37.75 | 37.375 | 37.375 | 4.6719 | -0.125 (-0.33%) | 2,600 |
| 17 Apr 1981 | USD | 37.5 | 37.5 | 37.5 | 37.5 | 4.6875 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 37.5 | 37.5 | 37.5 | 37.5 | 4.6875 | 0.0 (0.0%) | 1,600 |
| 15 Apr 1981 | USD | 37.5 | 37.75 | 37.25 | 37.5 | 4.6875 | 0.0 (0.0%) | 2,500 |
| 14 Apr 1981 | USD | 37.5 | 37.5 | 37.25 | 37.5 | 4.6875 | +0.125 (+0.33%) | 4,100 |
| 13 Apr 1981 | USD | 37.375 | 37.375 | 36.75 | 37.375 | 4.6719 | +0.875 (+2.40%) | 2,500 |
| 10 Apr 1981 | USD | 36.5 | 36.5 | 35.75 | 36.5 | 4.5625 | +0.5 (+1.39%) | 10,200 |
| 9 Apr 1981 | USD | 36 | 36.25 | 36 | 36 | 4.5 | -0.375 (-1.03%) | 5,000 |
| 8 Apr 1981 | USD | 36.375 | 36.375 | 36 | 36.375 | 4.5469 | +0.375 (+1.04%) | 5,000 |
| 7 Apr 1981 | USD | 36 | 36.375 | 36 | 36 | 4.5 | -0.375 (-1.03%) | 2,700 |
| 6 Apr 1981 | USD | 36.375 | 36.875 | 36.375 | 36.375 | 4.5469 | -0.25 (-0.68%) | 1,400 |
| 3 Apr 1981 | USD | 36.625 | 36.625 | 36.375 | 36.625 | 4.5781 | +0.25 (+0.69%) | 1,200 |
| 2 Apr 1981 | USD | 36.375 | 36.5 | 36.375 | 36.375 | 4.5469 | -0.125 (-0.34%) | 1,500 |
| 1 Apr 1981 | USD | 36.5 | 37 | 36.5 | 36.5 | 4.5625 | -0.25 (-0.68%) | 3,100 |
| 31 Mar 1981 | USD | 36.75 | 37 | 36.75 | 36.75 | 4.5938 | -0.375 (-1.01%) | 1,200 |
| 30 Mar 1981 | USD | 37.125 | 37.125 | 37 | 37.125 | 4.6406 | 0.0 (0.0%) | 1,500 |
| 27 Mar 1981 | USD | 37.125 | 37.5 | 37.125 | 37.125 | 4.6406 | -0.625 (-1.66%) | 1,100 |
| 26 Mar 1981 | USD | 37.75 | 38.125 | 37.75 | 37.75 | 4.7188 | +0.25 (+0.67%) | 3,400 |
| 25 Mar 1981 | USD | 37.5 | 37.5 | 37 | 37.5 | 4.6875 | +2.375 (+6.76%) | 11,800 |
| 24 Mar 1981 | USD | 35.125 | 35.5 | 35.125 | 35.125 | 4.3906 | +0.25 (+0.72%) | 800 |
| 23 Mar 1981 | USD | 34.875 | 35.125 | 34.75 | 34.875 | 4.3594 | -0.375 (-1.06%) | 1,400 |
| 20 Mar 1981 | USD | 35.25 | 35.25 | 35 | 35.25 | 4.4062 | +0.25 (+0.71%) | 2,900 |
| 19 Mar 1981 | USD | 35 | 35.125 | 35 | 35 | 4.375 | -0.125 (-0.36%) | 4,500 |
| 18 Mar 1981 | USD | 35.125 | 35.5 | 35.125 | 35.125 | 4.3906 | +0.125 (+0.36%) | 600 |
| 17 Mar 1981 | USD | 35 | 35.75 | 35 | 35 | 4.375 | -0.25 (-0.71%) | 7,800 |
| 16 Mar 1981 | USD | 35.25 | 35.75 | 35.125 | 35.25 | 4.4062 | -0.25 (-0.70%) | 4,900 |
| 13 Mar 1981 | USD | 35.5 | 36.25 | 35.25 | 35.5 | 4.4375 | +0.5 (+1.43%) | 29,400 |
