| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 23 Apr 1981 | USD | 22.75 | 23 | 22.75 | 22.75 | 1.4219 | +0.124 (+0.55%) | 20,300 |
| 22 Apr 1981 | USD | 22.626 | 22.75 | 22.626 | 22.626 | 1.4141 | +0.126 (+0.56%) | 15,100 |
| 21 Apr 1981 | USD | 22.5 | 22.75 | 22.5 | 22.5 | 1.4062 | +0.5 (+2.27%) | 63,900 |
| 20 Apr 1981 | USD | 22 | 22.126 | 22 | 22 | 1.375 | +0.124 (+0.57%) | 29,600 |
| 17 Apr 1981 | USD | 21.876 | 21.876 | 21.876 | 21.876 | 1.3673 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 21.876 | 22 | 21.876 | 21.876 | 1.3673 | +0.376 (+1.75%) | 24,700 |
| 15 Apr 1981 | USD | 21.5 | 21.626 | 21.5 | 21.5 | 1.3438 | +0.124 (+0.58%) | 7,000 |
| 14 Apr 1981 | USD | 21.376 | 21.626 | 21.376 | 21.376 | 1.336 | -0.124 (-0.58%) | 12,700 |
| 13 Apr 1981 | USD | 21.5 | 21.75 | 21.5 | 21.5 | 1.3438 | +0.374 (+1.77%) | 28,900 |
| 10 Apr 1981 | USD | 21.126 | 21.25 | 21.126 | 21.126 | 1.3204 | +0.5 (+2.42%) | 32,200 |
| 9 Apr 1981 | USD | 20.626 | 20.876 | 20.626 | 20.626 | 1.2891 | +0.25 (+1.23%) | 58,000 |
| 8 Apr 1981 | USD | 20.376 | 20.626 | 20.376 | 20.376 | 1.2735 | 0.0 (0.0%) | 14,800 |
| 7 Apr 1981 | USD | 20.376 | 20.5 | 20.376 | 20.376 | 1.2735 | -0.124 (-0.60%) | 10,800 |
| 6 Apr 1981 | USD | 20.5 | 20.626 | 20.5 | 20.5 | 1.2812 | -0.376 (-1.80%) | 11,000 |
| 3 Apr 1981 | USD | 20.876 | 21 | 20.876 | 20.876 | 1.3048 | -0.124 (-0.59%) | 14,200 |
| 2 Apr 1981 | USD | 21 | 21.25 | 21 | 21 | 1.3125 | -0.126 (-0.60%) | 10,000 |
| 1 Apr 1981 | USD | 21.126 | 21.25 | 21.126 | 21.126 | 1.3204 | -0.25 (-1.17%) | 10,400 |
| 31 Mar 1981 | USD | 21.376 | 21.5 | 21.376 | 21.376 | 1.336 | -0.124 (-0.58%) | 12,600 |
| 30 Mar 1981 | USD | 21.5 | 21.626 | 21.5 | 21.5 | 1.3438 | -0.126 (-0.58%) | 35,900 |
| 27 Mar 1981 | USD | 21.626 | 21.75 | 21.626 | 21.626 | 1.3516 | -0.25 (-1.14%) | 20,100 |
| 26 Mar 1981 | USD | 21.876 | 22.126 | 21.876 | 21.876 | 1.3673 | +0.25 (+1.16%) | 30,200 |
| 25 Mar 1981 | USD | 21.626 | 21.75 | 21.626 | 21.626 | 1.3516 | +0.126 (+0.59%) | 34,200 |
| 24 Mar 1981 | USD | 21.5 | 21.75 | 21.5 | 21.5 | 1.3438 | -0.5 (-2.27%) | 50,300 |
| 23 Mar 1981 | USD | 22 | 22.25 | 22 | 22 | 1.375 | +0.124 (+0.57%) | 27,100 |
| 20 Mar 1981 | USD | 21.876 | 22 | 21.876 | 21.876 | 1.3673 | +0.75 (+3.55%) | 60,000 |
| 19 Mar 1981 | USD | 21.126 | 21.25 | 21.126 | 21.126 | 1.3204 | -0.374 (-1.74%) | 36,600 |
| 18 Mar 1981 | USD | 21.5 | 21.626 | 21.5 | 21.5 | 1.3438 | 0.0 (0.0%) | 62,500 |
| 17 Mar 1981 | USD | 21.5 | 21.75 | 21.5 | 21.5 | 1.3438 | -0.626 (-2.83%) | 47,700 |
| 16 Mar 1981 | USD | 22.126 | 22.376 | 22.126 | 22.126 | 1.3829 | -1 (-4.32%) | 68,700 |
| 13 Mar 1981 | USD | 23.126 | 23.25 | 23.126 | 23.126 | 1.4454 | +1.75 (+8.19%) | 60,200 |
