| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 30.004 | 30.004 | 29.751 | 30.004 | 0.9376 | +0.253 (+0.85%) | 14,900 |
| 2 Jun 1981 | USD | 29.751 | 29.878 | 29.751 | 29.751 | 0.9297 | 0.0 (0.0%) | 10,700 |
| 1 Jun 1981 | USD | 29.751 | 30.004 | 29.751 | 29.751 | 0.9297 | +0.12 (+0.40%) | 9,100 |
| 29 May 1981 | USD | 29.631 | 29.751 | 29.505 | 29.631 | 0.926 | -0.12 (-0.40%) | 19,000 |
| 28 May 1981 | USD | 29.751 | 29.751 | 29.751 | 29.751 | 0.9297 | 0.0 (0.0%) | 1,500 |
| 27 May 1981 | USD | 29.751 | 29.878 | 29.631 | 29.751 | 0.9297 | -0.127 (-0.43%) | 3,400 |
| 26 May 1981 | USD | 29.878 | 29.878 | 29.631 | 29.878 | 0.9337 | +0.127 (+0.43%) | 51,200 |
| 25 May 1981 | USD | 29.751 | 29.751 | 29.751 | 29.751 | 0.9297 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 29.751 | 29.878 | 29.751 | 29.751 | 0.9297 | 0.0 (0.0%) | 3,500 |
| 21 May 1981 | USD | 29.751 | 29.751 | 29.751 | 29.751 | 0.9297 | -0.127 (-0.43%) | 2,100 |
| 20 May 1981 | USD | 29.878 | 29.878 | 29.751 | 29.878 | 0.9337 | -0.373 (-1.23%) | 38,700 |
| 19 May 1981 | USD | 30.251 | 30.251 | 29.132 | 30.251 | 0.9453 | +0.746 (+2.53%) | 9,900 |
| 18 May 1981 | USD | 29.505 | 29.631 | 28.751 | 29.505 | 0.922 | -0.246 (-0.83%) | 7,900 |
| 15 May 1981 | USD | 29.751 | 30.378 | 28.751 | 29.751 | 0.9297 | +1 (+3.48%) | 17,900 |
| 14 May 1981 | USD | 28.751 | 29.005 | 27.125 | 28.751 | 0.8985 | +1.626 (+5.99%) | 61,800 |
| 13 May 1981 | USD | 27.125 | 27.505 | 26.125 | 27.125 | 0.8477 | +1 (+3.83%) | 40,900 |
| 12 May 1981 | USD | 26.125 | 26.125 | 25.879 | 26.125 | 0.8164 | +0.246 (+0.95%) | 16,500 |
| 11 May 1981 | USD | 25.879 | 26.252 | 25.879 | 25.879 | 0.8087 | -0.127 (-0.49%) | 500 |
| 8 May 1981 | USD | 26.006 | 26.252 | 26.006 | 26.006 | 0.8127 | -0.246 (-0.94%) | 26,900 |
| 7 May 1981 | USD | 26.252 | 26.379 | 25.752 | 26.252 | 0.8204 | +0.246 (+0.95%) | 7,600 |
| 6 May 1981 | USD | 26.006 | 26.125 | 26.006 | 26.006 | 0.8127 | -0.5 (-1.89%) | 3,100 |
| 5 May 1981 | USD | 26.506 | 26.625 | 26.506 | 26.506 | 0.8283 | -0.119 (-0.45%) | 11,800 |
| 4 May 1981 | USD | 26.625 | 26.752 | 26.625 | 26.625 | 0.832 | -0.373 (-1.38%) | 13,600 |
| 1 May 1981 | USD | 26.998 | 27.125 | 26.998 | 26.998 | 0.8437 | -0.127 (-0.47%) | 7,400 |
| 30 Apr 1981 | USD | 27.125 | 27.252 | 27.125 | 27.125 | 0.8477 | -0.38 (-1.38%) | 2,000 |
| 29 Apr 1981 | USD | 27.505 | 27.505 | 27.125 | 27.505 | 0.8595 | +0.38 (+1.40%) | 28,900 |
| 28 Apr 1981 | USD | 27.125 | 27.379 | 27.125 | 27.125 | 0.8477 | -0.38 (-1.38%) | 10,400 |
| 27 Apr 1981 | USD | 27.505 | 27.632 | 27.252 | 27.505 | 0.8595 | 0.0 (0.0%) | 14,600 |
| 24 Apr 1981 | USD | 27.505 | 27.505 | 27.125 | 27.505 | 0.8595 | -0.247 (-0.89%) | 10,000 |
| 23 Apr 1981 | USD | 27.752 | 28.005 | 27.505 | 27.752 | 0.8672 | +1 (+3.74%) | 35,000 |
