| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 23 Apr 1981 | USD | 30.125 | 30.875 | 30 | 30.125 | 120.5 | -0.5 (-1.63%) | 17,800 |
| 22 Apr 1981 | USD | 30.625 | 31.5 | 29.875 | 30.625 | 122.5 | -1.25 (-3.92%) | 27,400 |
| 21 Apr 1981 | USD | 31.875 | 32.125 | 31.625 | 31.875 | 127.5 | -0.125 (-0.39%) | 11,200 |
| 20 Apr 1981 | USD | 32 | 32.125 | 31.625 | 32 | 128 | 0.0 (0.0%) | 38,500 |
| 17 Apr 1981 | USD | 32 | 32 | 32 | 32 | 128 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 32 | 32.5 | 31.875 | 32 | 128 | +0.125 (+0.39%) | 20,500 |
| 15 Apr 1981 | USD | 31.875 | 32 | 31.625 | 31.875 | 127.5 | +0.25 (+0.79%) | 15,100 |
| 14 Apr 1981 | USD | 31.625 | 32.5 | 31.625 | 31.625 | 126.5 | -0.375 (-1.17%) | 16,900 |
| 13 Apr 1981 | USD | 32 | 33 | 31.75 | 32 | 128 | -1.125 (-3.40%) | 26,600 |
| 10 Apr 1981 | USD | 33.125 | 33.75 | 33.125 | 33.125 | 132.5 | -0.875 (-2.57%) | 20,500 |
| 9 Apr 1981 | USD | 34 | 34.25 | 33.125 | 34 | 136 | +0.25 (+0.74%) | 25,800 |
| 8 Apr 1981 | USD | 33.75 | 33.75 | 33.125 | 33.75 | 135 | +0.625 (+1.89%) | 23,500 |
| 7 Apr 1981 | USD | 33.125 | 34.125 | 33.125 | 33.125 | 132.5 | -0.625 (-1.85%) | 14,800 |
| 6 Apr 1981 | USD | 33.75 | 34.25 | 33.375 | 33.75 | 135 | -0.75 (-2.17%) | 22,100 |
| 3 Apr 1981 | USD | 34.5 | 34.625 | 34 | 34.5 | 138 | +0.5 (+1.47%) | 24,700 |
| 2 Apr 1981 | USD | 34 | 35.375 | 34 | 34 | 136 | -1.5 (-4.23%) | 87,800 |
| 1 Apr 1981 | USD | 35.5 | 36.125 | 34.75 | 35.5 | 142 | +0.75 (+2.16%) | 24,800 |
| 31 Mar 1981 | USD | 34.75 | 35.375 | 34.625 | 34.75 | 139 | -0.75 (-2.11%) | 17,000 |
| 30 Mar 1981 | USD | 35.5 | 35.75 | 35 | 35.5 | 142 | +0.25 (+0.71%) | 10,600 |
| 27 Mar 1981 | USD | 35.25 | 35.5 | 35.125 | 35.25 | 141 | -0.5 (-1.40%) | 9,900 |
| 26 Mar 1981 | USD | 35.75 | 36.25 | 35.75 | 35.75 | 143 | +0.125 (+0.35%) | 50,500 |
| 25 Mar 1981 | USD | 35.625 | 36 | 35.5 | 35.625 | 142.5 | -0.625 (-1.72%) | 7,800 |
| 24 Mar 1981 | USD | 36.25 | 36.5 | 35.625 | 36.25 | 145 | -0.125 (-0.34%) | 30,500 |
| 23 Mar 1981 | USD | 36.375 | 37.125 | 36.25 | 36.375 | 145.5 | -0.625 (-1.69%) | 23,400 |
| 20 Mar 1981 | USD | 37 | 37.125 | 37 | 37 | 148 | 0.0 (0.0%) | 15,200 |
| 19 Mar 1981 | USD | 37 | 37.5 | 37 | 37 | 148 | -0.75 (-1.99%) | 10,300 |
| 18 Mar 1981 | USD | 37.75 | 38 | 37.625 | 37.75 | 151 | -0.375 (-0.98%) | 12,600 |
| 17 Mar 1981 | USD | 38.125 | 38.5 | 38.125 | 38.125 | 152.5 | +0.25 (+0.66%) | 30,400 |
| 16 Mar 1981 | USD | 37.875 | 38 | 37 | 37.875 | 151.5 | +0.875 (+2.36%) | 15,100 |
| 13 Mar 1981 | USD | 37 | 37.375 | 37 | 37 | 148 | -0.5 (-1.33%) | 20,200 |
