| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 14.625 | 14.625 | 14.375 | 14.625 | 9.75 | +0.25 (+1.74%) | 2,300 |
| 2 Jun 1981 | USD | 14.375 | 14.625 | 14.25 | 14.375 | 9.5833 | -0.25 (-1.71%) | 6,400 |
| 1 Jun 1981 | USD | 14.625 | 14.625 | 14.375 | 14.625 | 9.75 | +0.5 (+3.54%) | 6,000 |
| 29 May 1981 | USD | 14.125 | 14.5 | 14.125 | 14.125 | 9.4167 | -0.25 (-1.74%) | 7,300 |
| 28 May 1981 | USD | 14.375 | 14.625 | 14.375 | 14.375 | 9.5833 | +0.125 (+0.88%) | 7,500 |
| 27 May 1981 | USD | 14.25 | 14.25 | 14 | 14.25 | 9.5 | +0.125 (+0.88%) | 4,900 |
| 26 May 1981 | USD | 14.125 | 14.25 | 13.875 | 14.125 | 9.4167 | +0.125 (+0.89%) | 5,100 |
| 25 May 1981 | USD | 14 | 14 | 14 | 14 | 9.3333 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 14 | 14.375 | 14 | 14 | 9.3333 | -0.25 (-1.75%) | 2,600 |
| 21 May 1981 | USD | 14.25 | 14.375 | 13.875 | 14.25 | 9.5 | +0.125 (+0.88%) | 6,200 |
| 20 May 1981 | USD | 14.125 | 14.125 | 13.875 | 14.125 | 9.4167 | 0.0 (0.0%) | 6,000 |
| 19 May 1981 | USD | 14.125 | 14.25 | 13.875 | 14.125 | 9.4167 | 0.0 (0.0%) | 2,200 |
| 18 May 1981 | USD | 14.125 | 14.125 | 13.75 | 14.125 | 9.4167 | +0.125 (+0.89%) | 15,300 |
| 15 May 1981 | USD | 14 | 14 | 13.75 | 14 | 9.3333 | +0.25 (+1.82%) | 6,600 |
| 14 May 1981 | USD | 13.75 | 13.875 | 13.75 | 13.75 | 9.1667 | -0.125 (-0.90%) | 5,800 |
| 13 May 1981 | USD | 13.875 | 13.875 | 13.625 | 13.875 | 9.25 | +0.125 (+0.91%) | 6,800 |
| 12 May 1981 | USD | 13.75 | 14 | 13.625 | 13.75 | 9.1667 | 0.0 (0.0%) | 10,700 |
| 11 May 1981 | USD | 13.75 | 14 | 13.75 | 13.75 | 9.1667 | -0.25 (-1.79%) | 5,400 |
| 8 May 1981 | USD | 14 | 14 | 13.875 | 14 | 9.3333 | 0.0 (0.0%) | 2,400 |
| 7 May 1981 | USD | 14 | 14 | 13.625 | 14 | 9.3333 | +0.125 (+0.90%) | 6,900 |
| 6 May 1981 | USD | 13.875 | 14.125 | 13.875 | 13.875 | 9.25 | -0.25 (-1.77%) | 7,700 |
| 5 May 1981 | USD | 14.125 | 14.125 | 13.875 | 14.125 | 9.4167 | +0.25 (+1.80%) | 6,300 |
| 4 May 1981 | USD | 13.875 | 14.25 | 13.875 | 13.875 | 9.25 | -0.5 (-3.48%) | 11,800 |
| 1 May 1981 | USD | 14.375 | 14.375 | 14 | 14.375 | 9.5833 | +0.25 (+1.77%) | 10,700 |
| 30 Apr 1981 | USD | 14.125 | 14.375 | 14.125 | 14.125 | 9.4167 | -0.5 (-3.42%) | 6,200 |
| 29 Apr 1981 | USD | 14.625 | 14.625 | 14.375 | 14.625 | 9.75 | 0.0 (0.0%) | 3,600 |
| 28 Apr 1981 | USD | 14.625 | 14.875 | 14.375 | 14.625 | 9.75 | -0.125 (-0.85%) | 8,100 |
| 27 Apr 1981 | USD | 14.75 | 14.875 | 14.625 | 14.75 | 9.8333 | -0.125 (-0.84%) | 5,900 |
| 24 Apr 1981 | USD | 14.875 | 14.875 | 14.5 | 14.875 | 9.9167 | 0.0 (0.0%) | 11,900 |
| 23 Apr 1981 | USD | 14.875 | 14.875 | 14.625 | 14.875 | 9.9167 | +0.25 (+1.71%) | 3,900 |
