| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 2 Jun 1981 | USD | 28.376 | 30.25 | 28.25 | 28.376 | 9.4587 | -1.624 (-5.41%) | 37,000 |
| 1 Jun 1981 | USD | 30 | 30 | 28.376 | 30 | 10 | +1.624 (+5.72%) | 32,100 |
| 29 May 1981 | USD | 28.376 | 28.876 | 28 | 28.376 | 9.4587 | -0.5 (-1.73%) | 25,600 |
| 28 May 1981 | USD | 28.876 | 29.25 | 28.5 | 28.876 | 9.6253 | +0.376 (+1.32%) | 59,100 |
| 27 May 1981 | USD | 28.5 | 28.5 | 27.126 | 28.5 | 9.5 | +0.75 (+2.70%) | 62,200 |
| 26 May 1981 | USD | 27.75 | 27.75 | 26.75 | 27.75 | 9.25 | +1.25 (+4.72%) | 18,700 |
| 25 May 1981 | USD | 26.5 | 26.5 | 26.5 | 26.5 | 8.8333 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 26.5 | 26.626 | 26.25 | 26.5 | 8.8333 | +0.374 (+1.43%) | 19,900 |
| 21 May 1981 | USD | 26.126 | 26.626 | 26.126 | 26.126 | 8.7087 | 0.0 (0.0%) | 21,100 |
| 20 May 1981 | USD | 26.126 | 26.376 | 26.126 | 26.126 | 8.7087 | -0.124 (-0.47%) | 1,300 |
| 19 May 1981 | USD | 26.25 | 26.876 | 26.25 | 26.25 | 8.75 | -0.5 (-1.87%) | 77,700 |
| 18 May 1981 | USD | 26.75 | 27 | 26.626 | 26.75 | 8.9167 | +0.374 (+1.42%) | 48,300 |
| 15 May 1981 | USD | 26.376 | 26.376 | 25.876 | 26.376 | 8.792 | +0.376 (+1.45%) | 16,500 |
| 14 May 1981 | USD | 26 | 26.376 | 25.75 | 26 | 8.6667 | +0.124 (+0.48%) | 122,700 |
| 13 May 1981 | USD | 25.876 | 26 | 25.75 | 25.876 | 8.6253 | +0.25 (+0.98%) | 22,000 |
| 12 May 1981 | USD | 25.626 | 25.626 | 25.25 | 25.626 | 8.542 | 0.0 (0.0%) | 9,200 |
| 11 May 1981 | USD | 25.626 | 25.876 | 25.5 | 25.626 | 8.542 | -0.374 (-1.44%) | 18,400 |
| 8 May 1981 | USD | 26 | 26.25 | 25.626 | 26 | 8.6667 | +0.124 (+0.48%) | 18,200 |
| 7 May 1981 | USD | 25.876 | 26 | 25.126 | 25.876 | 8.6253 | +0.25 (+0.98%) | 12,800 |
| 6 May 1981 | USD | 25.626 | 25.626 | 24.626 | 25.626 | 8.542 | +0.876 (+3.54%) | 14,900 |
| 5 May 1981 | USD | 24.75 | 25 | 24.626 | 24.75 | 8.25 | -0.25 (-1%) | 86,400 |
| 4 May 1981 | USD | 25 | 26.25 | 24.5 | 25 | 8.3333 | -1.5 (-5.66%) | 26,100 |
| 1 May 1981 | USD | 26.5 | 26.75 | 26.126 | 26.5 | 8.8333 | +0.124 (+0.47%) | 8,000 |
| 30 Apr 1981 | USD | 26.376 | 27 | 26.376 | 26.376 | 8.792 | -0.374 (-1.40%) | 37,900 |
| 29 Apr 1981 | USD | 26.75 | 26.876 | 25.126 | 26.75 | 8.9167 | 0.0 (0.0%) | 31,900 |
| 28 Apr 1981 | USD | 26.75 | 27.75 | 26.25 | 26.75 | 8.9167 | -0.75 (-2.73%) | 20,300 |
| 27 Apr 1981 | USD | 27.5 | 28 | 27.126 | 27.5 | 9.1667 | +1.374 (+5.26%) | 94,800 |
| 24 Apr 1981 | USD | 26.126 | 26.25 | 24.75 | 26.126 | 8.7087 | +1.376 (+5.56%) | 63,400 |
| 23 Apr 1981 | USD | 24.75 | 24.876 | 24 | 24.75 | 8.25 | +0.75 (+3.13%) | 25,700 |
| 22 Apr 1981 | USD | 24 | 24 | 23.626 | 24 | 8 | +0.374 (+1.58%) | 51,100 |
