| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 14.013 | 14.256 | 14.013 | 14.013 | 2.076 | -0.486 (-3.35%) | 619,648 |
| 2 Jun 1981 | USD | 14.499 | 14.769 | 14.499 | 14.499 | 2.148 | -0.27 (-1.83%) | 1,658,471 |
| 1 Jun 1981 | USD | 14.769 | 15.012 | 14.769 | 14.769 | 2.188 | 0.0 (0.0%) | 1,312,197 |
| 29 May 1981 | USD | 14.769 | 15.012 | 14.769 | 14.769 | 2.188 | +0.27 (+1.86%) | 1,348,647 |
| 28 May 1981 | USD | 14.499 | 14.769 | 14.499 | 14.499 | 2.148 | +0.243 (+1.70%) | 1,202,847 |
| 27 May 1981 | USD | 14.256 | 14.499 | 14.256 | 14.256 | 2.112 | +1.107 (+8.42%) | 1,476,221 |
| 26 May 1981 | USD | 13.149 | 13.5 | 13.149 | 13.149 | 1.948 | 0.0 (0.0%) | 1,111,722 |
| 25 May 1981 | USD | 13.149 | 13.149 | 13.149 | 13.149 | 1.948 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 13.149 | 13.257 | 13.149 | 13.149 | 1.948 | +0.27 (+2.10%) | 1,585,571 |
| 21 May 1981 | USD | 12.879 | 13.257 | 12.879 | 12.879 | 1.908 | -0.135 (-1.04%) | 546,748 |
| 20 May 1981 | USD | 13.014 | 13.365 | 13.014 | 13.014 | 1.928 | -0.243 (-1.83%) | 1,111,722 |
| 19 May 1981 | USD | 13.257 | 13.5 | 13.257 | 13.257 | 1.964 | -0.108 (-0.81%) | 346,274 |
| 18 May 1981 | USD | 13.365 | 13.743 | 13.365 | 13.365 | 1.98 | 0.0 (0.0%) | 346,274 |
| 15 May 1981 | USD | 13.365 | 13.743 | 13.365 | 13.365 | 1.98 | +0.108 (+0.81%) | 674,323 |
| 14 May 1981 | USD | 13.257 | 13.5 | 13.257 | 13.257 | 1.964 | +0.243 (+1.87%) | 255,149 |
| 13 May 1981 | USD | 13.014 | 13.5 | 13.014 | 13.014 | 1.928 | -0.486 (-3.60%) | 1,931,845 |
| 12 May 1981 | USD | 13.5 | 13.635 | 13.5 | 13.5 | 2 | 0.0 (0.0%) | 382,724 |
| 11 May 1981 | USD | 13.5 | 13.878 | 13.5 | 13.5 | 2 | -0.513 (-3.66%) | 583,198 |
| 8 May 1981 | USD | 14.013 | 14.256 | 14.013 | 14.013 | 2.076 | +0.27 (+1.96%) | 674,323 |
| 7 May 1981 | USD | 13.743 | 14.013 | 13.743 | 13.743 | 2.036 | 0.0 (0.0%) | 455,624 |
| 6 May 1981 | USD | 13.743 | 14.121 | 13.743 | 13.743 | 2.036 | -0.513 (-3.60%) | 2,697,294 |
| 5 May 1981 | USD | 14.256 | 14.499 | 14.256 | 14.256 | 2.112 | -0.621 (-4.17%) | 4,009,491 |
| 4 May 1981 | USD | 14.877 | 15.255 | 14.877 | 14.877 | 2.204 | -0.756 (-4.84%) | 2,988,893 |
| 1 May 1981 | USD | 15.633 | 16.011 | 15.633 | 15.633 | 2.316 | +1.755 (+12.65%) | 2,861,318 |
| 30 Apr 1981 | USD | 13.878 | 14.256 | 13.878 | 13.878 | 2.056 | +0.864 (+6.64%) | 2,970,668 |
| 29 Apr 1981 | USD | 13.014 | 13.365 | 13.014 | 13.014 | 1.928 | +0.243 (+1.90%) | 4,082,391 |
| 28 Apr 1981 | USD | 12.771 | 13.014 | 12.771 | 12.771 | 1.892 | -1.242 (-8.86%) | 4,337,540 |
| 27 Apr 1981 | USD | 14.013 | 14.499 | 14.013 | 14.013 | 2.076 | +1.998 (+16.63%) | 7,125,960 |
| 24 Apr 1981 | USD | 12.015 | 12.501 | 12.015 | 12.015 | 1.78 | 0.0 (0.0%) | 2,132,320 |
| 23 Apr 1981 | USD | 12.015 | 12.123 | 12.015 | 12.015 | 1.78 | +1.755 (+17.11%) | 4,902,514 |
