| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 1 May 1981 | USD | 16.126 | 16.25 | 16.126 | 16.126 | 4.7781 | -0.373 (-2.26%) | 500 |
| 30 Apr 1981 | USD | 16.499 | 16.875 | 16.499 | 16.499 | 4.8886 | -0.252 (-1.50%) | 300 |
| 29 Apr 1981 | USD | 16.751 | 16.875 | 16.499 | 16.751 | 4.9633 | +0.126 (+0.76%) | 1,000 |
| 28 Apr 1981 | USD | 16.625 | 16.875 | 16.126 | 16.625 | 4.9259 | +0.375 (+2.31%) | 1,600 |
| 27 Apr 1981 | USD | 16.25 | 16.25 | 16 | 16.25 | 4.8148 | +0.124 (+0.77%) | 800 |
| 24 Apr 1981 | USD | 16.126 | 16.376 | 16.126 | 16.126 | 4.7781 | +0.252 (+1.59%) | 1,900 |
| 23 Apr 1981 | USD | 15.874 | 16.875 | 15.874 | 15.874 | 4.7034 | -1.125 (-6.62%) | 2,400 |
| 22 Apr 1981 | USD | 16.999 | 17.251 | 16.875 | 16.999 | 5.0367 | +0.124 (+0.73%) | 2,300 |
| 21 Apr 1981 | USD | 16.875 | 16.875 | 16.875 | 16.875 | 5 | 0.0 (0.0%) | 600 |
| 20 Apr 1981 | USD | 16.875 | 16.875 | 16.499 | 16.875 | 5 | +0.25 (+1.50%) | 1,300 |
| 17 Apr 1981 | USD | 16.625 | 16.625 | 16.625 | 16.625 | 4.9259 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 16.625 | 16.625 | 16.499 | 16.625 | 4.9259 | -0.126 (-0.75%) | 700 |
| 15 Apr 1981 | USD | 16.751 | 16.751 | 16.25 | 16.751 | 4.9633 | 0.0 (0.0%) | 1,700 |
| 14 Apr 1981 | USD | 16.751 | 16.751 | 16.625 | 16.751 | 4.9633 | +0.126 (+0.76%) | 600 |
| 13 Apr 1981 | USD | 16.625 | 16.999 | 16.625 | 16.625 | 4.9259 | -0.626 (-3.63%) | 2,000 |
| 10 Apr 1981 | USD | 17.251 | 18 | 17.125 | 17.251 | 5.1114 | -0.749 (-4.16%) | 2,500 |
| 9 Apr 1981 | USD | 18 | 19.125 | 18 | 18 | 5.3333 | -0.124 (-0.68%) | 1,300 |
| 8 Apr 1981 | USD | 18.124 | 18.5 | 18.124 | 18.124 | 5.3701 | -0.502 (-2.70%) | 1,700 |
| 7 Apr 1981 | USD | 18.626 | 19.125 | 18.25 | 18.626 | 5.5188 | -0.499 (-2.61%) | 65,300 |
| 6 Apr 1981 | USD | 19.125 | 19.625 | 18.875 | 19.125 | 5.6667 | +0.124 (+0.65%) | 65,800 |
| 3 Apr 1981 | USD | 19.001 | 19.001 | 18.25 | 19.001 | 5.6299 | +0.625 (+3.40%) | 1,000 |
| 2 Apr 1981 | USD | 18.376 | 18.875 | 18.376 | 18.376 | 5.4447 | -0.625 (-3.29%) | 2,000 |
| 1 Apr 1981 | USD | 19.001 | 19.125 | 17.125 | 19.001 | 5.6299 | +0.692 (+14.01%) | 7,300 |
| 1 Apr 1981 |
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| 31 Mar 1981 | USD | 49.997 | 49.997 | 49.876 | 49.997 | 4.938 | +0.621 (+1.26%) | 300 |
| 30 Mar 1981 | USD | 49.376 | 50.126 | 49.376 | 49.376 | 4.8766 | -1.121 (-2.22%) | 500 |
| 27 Mar 1981 | USD | 50.497 | 50.497 | 50.126 | 50.497 | 4.9874 | +0.371 (+0.74%) | 800 |
| 26 Mar 1981 | USD | 50.126 | 50.254 | 49.498 | 50.126 | 4.9507 | +1.128 (+2.30%) | 400 |
| 25 Mar 1981 | USD | 48.998 | 48.998 | 48.998 | 48.998 | 4.8393 | 0.0 (0.0%) | 100 |
| 24 Mar 1981 | USD | 48.998 | 48.998 | 48.249 | 48.998 | 4.8393 | +0.499 (+1.03%) | 1,700 |
| 23 Mar 1981 | USD | 48.499 | 48.499 | 48.499 | 48.499 | 4.79 | +0.25 (+0.52%) | 200 |
