| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 Apr 1981 | USD | 19.749 | 19.877 | 19.624 | 19.749 | 0.6172 | -0.128 (-0.64%) | 1,800 |
| 28 Apr 1981 | USD | 19.877 | 20.251 | 19.877 | 19.877 | 0.6212 | -0.374 (-1.85%) | 6,701 |
| 27 Apr 1981 | USD | 20.251 | 20.501 | 20.251 | 20.251 | 0.6328 | -0.498 (-2.40%) | 3,800 |
| 24 Apr 1981 | USD | 20.749 | 21.251 | 19.877 | 20.749 | 0.6484 | +1.125 (+5.73%) | 67,901 |
| 23 Apr 1981 | USD | 19.624 | 20.251 | 19.125 | 19.624 | 0.6132 | +0.373 (+1.94%) | 7,400 |
| 22 Apr 1981 | USD | 19.251 | 19.251 | 18.125 | 19.251 | 0.6016 | +1 (+5.48%) | 7,800 |
| 21 Apr 1981 | USD | 18.251 | 18.875 | 18.251 | 18.251 | 0.5703 | -0.25 (-1.35%) | 4,700 |
| 20 Apr 1981 | USD | 18.501 | 18.501 | 17.251 | 18.501 | 0.5782 | +1.128 (+6.49%) | 5,501 |
| 17 Apr 1981 | USD | 17.373 | 17.373 | 17.373 | 17.373 | 0.5429 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 17.373 | 17.501 | 17.251 | 17.373 | 0.5429 | 0.0 (0.0%) | 4,800 |
| 15 Apr 1981 | USD | 17.373 | 17.373 | 17.251 | 17.373 | 0.5429 | +0.122 (+0.71%) | 3,600 |
| 14 Apr 1981 | USD | 17.251 | 17.251 | 17.125 | 17.251 | 0.5391 | 0.0 (0.0%) | 4,500 |
| 13 Apr 1981 | USD | 17.251 | 17.373 | 17.251 | 17.251 | 0.5391 | 0.0 (0.0%) | 1,200 |
| 10 Apr 1981 | USD | 17.251 | 17.251 | 17.251 | 17.251 | 0.5391 | 0.0 (0.0%) | 300 |
| 9 Apr 1981 | USD | 17.251 | 17.877 | 17.251 | 17.251 | 0.5391 | -0.626 (-3.50%) | 4,500 |
| 8 Apr 1981 | USD | 17.877 | 18 | 17.877 | 17.877 | 0.5587 | +0.128 (+0.72%) | 1,800 |
| 7 Apr 1981 | USD | 17.749 | 17.877 | 17.749 | 17.749 | 0.5547 | -0.128 (-0.72%) | 701 |
| 6 Apr 1981 | USD | 17.877 | 18 | 17.877 | 17.877 | 0.5587 | -0.499 (-2.72%) | 2,300 |
| 3 Apr 1981 | USD | 18.376 | 18.501 | 18.125 | 18.376 | 0.5743 | +0.125 (+0.68%) | 4,400 |
| 2 Apr 1981 | USD | 18.251 | 18.251 | 18.251 | 18.251 | 0.5703 | 0.0 (0.0%) | 0 |
| 1 Apr 1981 | USD | 18.251 | 18.251 | 17.749 | 18.251 | 0.5703 | +0.75 (+4.29%) | 3,800 |
| 31 Mar 1981 | USD | 17.501 | 17.501 | 17.501 | 17.501 | 0.5469 | -0.376 (-2.10%) | 3,000 |
| 30 Mar 1981 | USD | 17.877 | 18.125 | 17.749 | 17.877 | 0.5587 | -0.123 (-0.68%) | 2,400 |
| 27 Mar 1981 | USD | 18 | 18.251 | 17.877 | 18 | 0.5625 | +0.373 (+2.12%) | 2,600 |
| 26 Mar 1981 | USD | 17.627 | 18.376 | 17.627 | 17.627 | 0.5508 | -0.498 (-2.75%) | 6,200 |
| 25 Mar 1981 | USD | 18.125 | 18.501 | 18.125 | 18.125 | 0.5664 | -0.126 (-0.69%) | 4,800 |
| 24 Mar 1981 | USD | 18.251 | 18.501 | 18 | 18.251 | 0.5703 | -0.25 (-1.35%) | 9,900 |
| 23 Mar 1981 | USD | 18.501 | 18.749 | 18 | 18.501 | 0.5782 | 0.0 (0.0%) | 8,501 |
| 20 Mar 1981 | USD | 18.501 | 18.501 | 18.125 | 18.501 | 0.5782 | +0.752 (+4.24%) | 7,001 |
| 19 Mar 1981 | USD | 17.749 | 17.749 | 17.501 | 17.749 | 0.5547 | +0.498 (+2.89%) | 3,000 |
