| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 5 May 1981 | USD | 24.125 | 24.25 | 23.875 | 24.125 | 7.1481 | +0.25 (+1.05%) | 3,800 |
| 4 May 1981 | USD | 23.875 | 24.75 | 23.75 | 23.875 | 7.0741 | -1.125 (-4.50%) | 20,800 |
| 1 May 1981 | USD | 25 | 25.25 | 24.25 | 25 | 7.4074 | 0.0 (0.0%) | 20,100 |
| 30 Apr 1981 | USD | 25 | 25.25 | 23.625 | 25 | 7.4074 | +1.75 (+7.53%) | 30,100 |
| 29 Apr 1981 | USD | 23.25 | 23.625 | 22.75 | 23.25 | 6.8889 | -0.5 (-2.11%) | 68,100 |
| 28 Apr 1981 | USD | 23.75 | 24.5 | 22.5 | 23.75 | 7.037 | -0.875 (-3.55%) | 23,200 |
| 27 Apr 1981 | USD | 24.625 | 25.625 | 24.25 | 24.625 | 7.2963 | -1 (-3.90%) | 14,200 |
| 24 Apr 1981 | USD | 25.625 | 26 | 25.625 | 25.625 | 7.5926 | -0.375 (-1.44%) | 10,700 |
| 23 Apr 1981 | USD | 26 | 26.5 | 25.875 | 26 | 7.7037 | -0.375 (-1.42%) | 7,400 |
| 22 Apr 1981 | USD | 26.375 | 26.5 | 26 | 26.375 | 7.8148 | +0.125 (+0.48%) | 21,300 |
| 21 Apr 1981 | USD | 26.25 | 26.25 | 25.875 | 26.25 | 7.7778 | +0.5 (+1.94%) | 13,500 |
| 20 Apr 1981 | USD | 25.75 | 26.25 | 25.625 | 25.75 | 7.6296 | -0.5 (-1.90%) | 7,800 |
| 17 Apr 1981 | USD | 26.25 | 26.25 | 26.25 | 26.25 | 7.7778 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 26.25 | 26.875 | 26.25 | 26.25 | 7.7778 | -0.25 (-0.94%) | 15,100 |
| 15 Apr 1981 | USD | 26.5 | 26.625 | 26.125 | 26.5 | 7.8519 | +0.25 (+0.95%) | 8,500 |
| 14 Apr 1981 | USD | 26.25 | 26.625 | 26 | 26.25 | 7.7778 | 0.0 (0.0%) | 5,100 |
| 13 Apr 1981 | USD | 26.25 | 26.875 | 25.625 | 26.25 | 7.7778 | 0.0 (0.0%) | 17,400 |
| 10 Apr 1981 | USD | 26.25 | 26.25 | 25.625 | 26.25 | 7.7778 | +0.5 (+1.94%) | 28,000 |
| 9 Apr 1981 | USD | 25.75 | 26 | 25.5 | 25.75 | 7.6296 | +0.5 (+1.98%) | 9,100 |
| 8 Apr 1981 | USD | 25.25 | 25.875 | 25.125 | 25.25 | 7.4815 | -0.5 (-1.94%) | 15,700 |
| 7 Apr 1981 | USD | 25.75 | 25.875 | 24.625 | 25.75 | 7.6296 | +0.375 (+1.48%) | 38,500 |
| 6 Apr 1981 | USD | 25.375 | 26.75 | 25 | 25.375 | 7.5185 | -1.5 (-5.58%) | 30,500 |
| 3 Apr 1981 | USD | 26.875 | 27.25 | 26.25 | 26.875 | 7.963 | +0.625 (+2.38%) | 130,000 |
| 2 Apr 1981 | USD | 26.25 | 26.25 | 24.75 | 26.25 | 7.7778 | +1.5 (+6.06%) | 21,500 |
| 1 Apr 1981 | USD | 24.75 | 24.875 | 23.5 | 24.75 | 7.3333 | +1.25 (+5.32%) | 88,400 |
| 31 Mar 1981 | USD | 23.5 | 23.75 | 23.5 | 23.5 | 6.963 | +0.125 (+0.53%) | 31,600 |
| 30 Mar 1981 | USD | 23.375 | 23.375 | 23 | 23.375 | 6.9259 | +0.5 (+2.19%) | 14,900 |
| 27 Mar 1981 | USD | 22.875 | 23.25 | 22.75 | 22.875 | 6.7778 | +0.125 (+0.55%) | 29,100 |
| 26 Mar 1981 | USD | 22.75 | 23.25 | 22.75 | 22.75 | 6.7407 | 0.0 (0.0%) | 26,200 |
| 25 Mar 1981 | USD | 22.75 | 22.75 | 21.5 | 22.75 | 6.7407 | +1 (+4.60%) | 54,400 |
