| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 28 Apr 1981 | USD | 30.875 | 31.875 | 30.125 | 30.875 | 6.6656 | -0.875 (-2.76%) | 147,300 |
| 27 Apr 1981 | USD | 31.75 | 32.75 | 31 | 31.75 | 6.8545 | -0.25 (-0.78%) | 83,100 |
| 24 Apr 1981 | USD | 32 | 32 | 29.5 | 32 | 6.9085 | +2.875 (+9.87%) | 50,900 |
| 23 Apr 1981 | USD | 29.125 | 29.875 | 29 | 29.125 | 6.2878 | 0.0 (0.0%) | 313,700 |
| 22 Apr 1981 | USD | 29.125 | 30.5 | 28 | 29.125 | 6.2878 | -1.375 (-4.51%) | 120,400 |
| 21 Apr 1981 | USD | 30.5 | 32.25 | 30.25 | 30.5 | 6.5846 | -1.75 (-5.43%) | 43,100 |
| 20 Apr 1981 | USD | 32.25 | 32.375 | 31.875 | 32.25 | 6.9624 | +0.125 (+0.39%) | 78,000 |
| 17 Apr 1981 | USD | 32.125 | 32.125 | 32.125 | 32.125 | 6.9354 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 32.125 | 32.375 | 31.875 | 32.125 | 6.9354 | +0.625 (+1.98%) | 127,100 |
| 15 Apr 1981 | USD | 31.5 | 32 | 31.5 | 31.5 | 6.8005 | -0.125 (-0.40%) | 73,000 |
| 14 Apr 1981 | USD | 31.625 | 32.375 | 31 | 31.625 | 6.8275 | -0.625 (-1.94%) | 83,500 |
| 13 Apr 1981 | USD | 32.25 | 33.125 | 32 | 32.25 | 6.9624 | -1.25 (-3.73%) | 38,500 |
| 10 Apr 1981 | USD | 33.5 | 33.875 | 32.375 | 33.5 | 7.2323 | +0.125 (+0.37%) | 79,100 |
| 9 Apr 1981 | USD | 33.375 | 34.25 | 33.375 | 33.375 | 7.2053 | -0.5 (-1.48%) | 59,800 |
| 8 Apr 1981 | USD | 33.875 | 34.25 | 33.375 | 33.875 | 7.3133 | -0.25 (-0.73%) | 80,800 |
| 7 Apr 1981 | USD | 34.125 | 34.25 | 33.5 | 34.125 | 7.3672 | +0.75 (+2.25%) | 102,700 |
| 6 Apr 1981 | USD | 33.375 | 33.375 | 32.375 | 33.375 | 7.2053 | +0.5 (+1.52%) | 178,100 |
| 3 Apr 1981 | USD | 32.875 | 33.25 | 32.625 | 32.875 | 7.0974 | -0.125 (-0.38%) | 133,300 |
| 2 Apr 1981 | USD | 33 | 33.25 | 32.375 | 33 | 7.1244 | -0.375 (-1.12%) | 189,100 |
| 1 Apr 1981 | USD | 33.375 | 33.875 | 33.125 | 33.375 | 7.2053 | -0.375 (-1.11%) | 79,600 |
| 31 Mar 1981 | USD | 33.75 | 34.75 | 33.125 | 33.75 | 7.2863 | -0.375 (-1.10%) | 111,000 |
| 30 Mar 1981 | USD | 34.125 | 35 | 34.125 | 34.125 | 7.3672 | -0.375 (-1.09%) | 20,800 |
| 27 Mar 1981 | USD | 34.5 | 35.625 | 34.5 | 34.5 | 7.4482 | -0.875 (-2.47%) | 144,400 |
| 26 Mar 1981 | USD | 35.375 | 36.125 | 35 | 35.375 | 7.6371 | -0.125 (-0.35%) | 186,400 |
| 25 Mar 1981 | USD | 35.5 | 36 | 35 | 35.5 | 7.6641 | -0.25 (-0.70%) | 706,400 |
| 24 Mar 1981 | USD | 35.75 | 37.625 | 35.75 | 35.75 | 7.718 | -0.75 (-2.05%) | 92,400 |
| 23 Mar 1981 | USD | 36.5 | 36.5 | 35.375 | 36.5 | 7.88 | +1.25 (+3.55%) | 48,100 |
| 20 Mar 1981 | USD | 35.25 | 35.5 | 34.25 | 35.25 | 7.6101 | +1 (+2.92%) | 36,500 |
| 19 Mar 1981 | USD | 34.25 | 34.5 | 33 | 34.25 | 7.3942 | +0.25 (+0.74%) | 220,400 |
| 18 Mar 1981 | USD | 34 | 36.75 | 33.75 | 34 | 7.3402 | -2.625 (-7.17%) | 101,900 |
