| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Apr 1981 | USD | 19.886 | 19.886 | 19.251 | 19.886 | 1.473 | +0.257 (+1.31%) | 4,100 |
| 21 Apr 1981 | USD | 19.629 | 19.886 | 19.508 | 19.629 | 1.454 | +0.378 (+1.96%) | 6,600 |
| 20 Apr 1981 | USD | 19.251 | 19.251 | 17.996 | 19.251 | 1.426 | +1.741 (+9.94%) | 8,100 |
| 17 Apr 1981 | USD | 17.51 | 17.51 | 17.51 | 17.51 | 1.297 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 17.51 | 18.495 | 17.51 | 17.51 | 1.297 | -0.121 (-0.69%) | 17,300 |
| 15 Apr 1981 | USD | 17.631 | 17.631 | 17.631 | 17.631 | 1.306 | 0.0 (0.0%) | 0 |
| 14 Apr 1981 | USD | 17.631 | 17.631 | 17.375 | 17.631 | 1.306 | 0.0 (0.0%) | 400 |
| 13 Apr 1981 | USD | 17.631 | 17.753 | 17.631 | 17.631 | 1.306 | -0.243 (-1.36%) | 200 |
| 10 Apr 1981 | USD | 17.874 | 17.996 | 17.874 | 17.874 | 1.324 | -0.122 (-0.68%) | 2,800 |
| 9 Apr 1981 | USD | 17.996 | 17.996 | 17.51 | 17.996 | 1.333 | +0.621 (+3.57%) | 9,000 |
| 8 Apr 1981 | USD | 17.375 | 17.375 | 17.375 | 17.375 | 1.287 | -0.256 (-1.45%) | 500 |
| 7 Apr 1981 | USD | 17.631 | 17.631 | 17.631 | 17.631 | 1.306 | -0.243 (-1.36%) | 400 |
| 6 Apr 1981 | USD | 17.874 | 17.874 | 17.253 | 17.874 | 1.324 | +0.243 (+1.38%) | 6,800 |
| 3 Apr 1981 | USD | 17.631 | 17.874 | 17.51 | 17.631 | 1.306 | +0.121 (+0.69%) | 600 |
| 2 Apr 1981 | USD | 17.51 | 17.51 | 17.51 | 17.51 | 1.297 | 0.0 (0.0%) | 500 |
| 1 Apr 1981 | USD | 17.51 | 17.753 | 17.51 | 17.51 | 1.297 | -0.243 (-1.37%) | 1,300 |
| 31 Mar 1981 | USD | 17.753 | 17.753 | 17.753 | 17.753 | 1.315 | 0.0 (0.0%) | 200 |
| 30 Mar 1981 | USD | 17.753 | 17.753 | 17.753 | 17.753 | 1.315 | +0.122 (+0.69%) | 500 |
| 27 Mar 1981 | USD | 17.631 | 17.753 | 17.51 | 17.631 | 1.306 | -0.122 (-0.69%) | 1,800 |
| 26 Mar 1981 | USD | 17.753 | 17.753 | 17.375 | 17.753 | 1.315 | +0.621 (+3.62%) | 800 |
| 25 Mar 1981 | USD | 17.132 | 17.51 | 17.132 | 17.132 | 1.269 | -0.499 (-2.83%) | 1,100 |
| 24 Mar 1981 | USD | 17.631 | 17.753 | 17.375 | 17.631 | 1.306 | +0.378 (+2.19%) | 2,300 |
| 23 Mar 1981 | USD | 17.253 | 17.631 | 16.997 | 17.253 | 1.278 | +0.378 (+2.24%) | 1,300 |
| 20 Mar 1981 | USD | 16.875 | 16.875 | 16.619 | 16.875 | 1.25 | +0.499 (+3.05%) | 1,200 |
| 19 Mar 1981 | USD | 16.376 | 16.376 | 16.376 | 16.376 | 1.213 | -0.121 (-0.73%) | 300 |
| 18 Mar 1981 | USD | 16.497 | 16.497 | 16.497 | 16.497 | 1.222 | +0.121 (+0.74%) | 800 |
| 17 Mar 1981 | USD | 16.376 | 16.376 | 16.254 | 16.376 | 1.213 | +0.122 (+0.75%) | 500 |
| 16 Mar 1981 | USD | 16.254 | 16.254 | 15.998 | 16.254 | 1.204 | +0.378 (+2.38%) | 1,100 |
| 13 Mar 1981 | USD | 15.876 | 15.876 | 15.377 | 15.876 | 1.176 | +0.621 (+4.07%) | 2,000 |
| 12 Mar 1981 | USD | 15.255 | 15.255 | 14.756 | 15.255 | 1.13 | +0.378 (+2.54%) | 1,100 |
