| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 26 May 1981 | USD | 9.75 | 10.125 | 9.75 | 9.75 | 0.4062 | -0.13 (-1.32%) | 5,100 |
| 25 May 1981 | USD | 9.88 | 9.88 | 9.88 | 9.88 | 0.4117 | +0.005 (+0.05%) | 0 |
| 22 May 1981 | USD | 9.875 | 10.125 | 9.75 | 9.875 | 0.4115 | +0.249 (+2.59%) | 2,800 |
| 21 May 1981 | USD | 9.626 | 9.875 | 9.626 | 9.626 | 0.4011 | -0.375 (-3.75%) | 6,700 |
| 20 May 1981 | USD | 10.001 | 10.001 | 9.75 | 10.001 | 0.4167 | +0.251 (+2.57%) | 3,000 |
| 19 May 1981 | USD | 9.75 | 10.376 | 9.75 | 9.75 | 0.4062 | -0.5 (-4.88%) | 12,900 |
| 18 May 1981 | USD | 10.25 | 10.25 | 10.001 | 10.25 | 0.4271 | +0.125 (+1.23%) | 5,900 |
| 15 May 1981 | USD | 10.125 | 10.376 | 10.001 | 10.125 | 0.4219 | 0.0 (0.0%) | 14,000 |
| 14 May 1981 | USD | 10.125 | 10.125 | 10.001 | 10.125 | 0.4219 | 0.0 (0.0%) | 6,900 |
| 13 May 1981 | USD | 10.125 | 10.125 | 10.001 | 10.125 | 0.4219 | +0.124 (+1.24%) | 4,400 |
| 12 May 1981 | USD | 10.001 | 10.125 | 9.875 | 10.001 | 0.4167 | 0.0 (0.0%) | 5,400 |
| 11 May 1981 | USD | 10.001 | 10.25 | 10.001 | 10.001 | 0.4167 | 0.0 (0.0%) | 3,200 |
| 8 May 1981 | USD | 10.001 | 10.001 | 9.875 | 10.001 | 0.4167 | +0.126 (+1.28%) | 5,200 |
| 7 May 1981 | USD | 9.875 | 10.001 | 9.875 | 9.875 | 0.4115 | 0.0 (0.0%) | 600 |
| 6 May 1981 | USD | 9.875 | 10.001 | 9.75 | 9.875 | 0.4115 | -0.126 (-1.26%) | 8,900 |
| 5 May 1981 | USD | 10.001 | 10.001 | 9.75 | 10.001 | 0.4167 | +0.126 (+1.28%) | 17,200 |
| 4 May 1981 | USD | 9.875 | 10.001 | 9.75 | 9.875 | 0.4115 | +0.125 (+1.28%) | 4,400 |
| 1 May 1981 | USD | 9.75 | 10.001 | 9.626 | 9.75 | 0.4062 | -0.251 (-2.51%) | 14,400 |
| 30 Apr 1981 | USD | 10.001 | 10.001 | 9.626 | 10.001 | 0.4167 | +0.375 (+3.90%) | 12,800 |
| 29 Apr 1981 | USD | 9.626 | 10.125 | 9.5 | 9.626 | 0.4011 | -0.499 (-4.93%) | 59,000 |
| 28 Apr 1981 | USD | 10.125 | 10.125 | 10.001 | 10.125 | 0.4219 | 0.0 (0.0%) | 10,300 |
| 27 Apr 1981 | USD | 10.125 | 10.376 | 10.001 | 10.125 | 0.4219 | -0.251 (-2.42%) | 23,700 |
| 24 Apr 1981 | USD | 10.376 | 10.625 | 10.25 | 10.376 | 0.4323 | -0.249 (-2.34%) | 10,000 |
| 23 Apr 1981 | USD | 10.625 | 11.25 | 10.625 | 10.625 | 0.4427 | -0.876 (-7.62%) | 21,700 |
| 22 Apr 1981 | USD | 11.501 | 11.75 | 11.501 | 11.501 | 0.4792 | -0.124 (-1.07%) | 11,800 |
| 21 Apr 1981 | USD | 11.625 | 11.75 | 11.625 | 11.625 | 0.4844 | -0.125 (-1.06%) | 1,800 |
| 20 Apr 1981 | USD | 11.75 | 11.75 | 11.625 | 11.75 | 0.4896 | +0.12 (+1.03%) | 7,400 |
| 17 Apr 1981 | USD | 11.63 | 11.63 | 11.63 | 11.63 | 0.4846 | +0.005 (+0.04%) | 0 |
| 16 Apr 1981 | USD | 11.625 | 11.625 | 11.375 | 11.625 | 0.4844 | 0.0 (0.0%) | 5,400 |
| 15 Apr 1981 | USD | 11.625 | 11.625 | 11.501 | 11.625 | 0.4844 | +0.25 (+2.20%) | 3,600 |
