| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 May 1981 | USD | 34.499 | 34.875 | 34.499 | 34.499 | 6.8146 | -0.5 (-1.43%) | 17,600 |
| 28 May 1981 | USD | 34.999 | 34.999 | 34.499 | 34.999 | 6.9134 | +0.5 (+1.45%) | 33,800 |
| 27 May 1981 | USD | 34.499 | 34.751 | 34.499 | 34.499 | 6.8146 | +0.123 (+0.36%) | 23,500 |
| 26 May 1981 | USD | 34.376 | 34.376 | 34 | 34.376 | 6.7903 | +0.502 (+1.48%) | 20,000 |
| 25 May 1981 | USD | 33.874 | 33.874 | 33.874 | 33.874 | 6.6912 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 33.874 | 34 | 33.75 | 33.874 | 6.6912 | 0.0 (0.0%) | 8,700 |
| 21 May 1981 | USD | 33.874 | 34 | 33.251 | 33.874 | 6.6912 | +0.873 (+2.65%) | 25,300 |
| 20 May 1981 | USD | 33.001 | 33.001 | 32.749 | 33.001 | 6.5187 | +0.126 (+0.38%) | 18,400 |
| 19 May 1981 | USD | 32.875 | 33.001 | 32.625 | 32.875 | 6.4938 | +0.126 (+0.38%) | 11,200 |
| 18 May 1981 | USD | 32.749 | 33.001 | 32.375 | 32.749 | 6.4689 | +0.749 (+2.34%) | 85,300 |
| 15 May 1981 | USD | 32 | 32.126 | 32 | 32 | 6.321 | +0.25 (+0.79%) | 203,800 |
| 14 May 1981 | USD | 31.75 | 31.75 | 30.625 | 31.75 | 6.2716 | +0.875 (+2.83%) | 10,900 |
| 13 May 1981 | USD | 30.875 | 31.5 | 30.875 | 30.875 | 6.0988 | -0.625 (-1.98%) | 22,700 |
| 12 May 1981 | USD | 31.5 | 31.5 | 31.25 | 31.5 | 6.2222 | +0.376 (+1.21%) | 7,000 |
| 11 May 1981 | USD | 31.124 | 31.5 | 31.124 | 31.124 | 6.148 | -0.626 (-1.97%) | 5,000 |
| 8 May 1981 | USD | 31.75 | 32.126 | 31.5 | 31.75 | 6.2716 | -0.25 (-0.78%) | 12,500 |
| 7 May 1981 | USD | 32 | 32.501 | 32 | 32 | 6.321 | -0.249 (-0.77%) | 10,700 |
| 6 May 1981 | USD | 32.249 | 32.501 | 32 | 32.249 | 6.3702 | -0.252 (-0.78%) | 3,400 |
| 5 May 1981 | USD | 32.501 | 32.749 | 32.375 | 32.501 | 6.42 | -0.248 (-0.76%) | 15,100 |
| 4 May 1981 | USD | 32.749 | 32.749 | 32 | 32.749 | 6.4689 | +0.5 (+1.55%) | 8,700 |
| 1 May 1981 | USD | 32.249 | 32.501 | 32 | 32.249 | 6.3702 | 0.0 (0.0%) | 20,400 |
| 30 Apr 1981 | USD | 32.249 | 32.749 | 32.126 | 32.249 | 6.3702 | -0.752 (-2.28%) | 12,300 |
| 29 Apr 1981 | USD | 33.001 | 33.374 | 32.749 | 33.001 | 6.5187 | -0.373 (-1.12%) | 9,900 |
| 28 Apr 1981 | USD | 33.374 | 33.75 | 33.001 | 33.374 | 6.5924 | -0.252 (-0.75%) | 53,700 |
| 27 Apr 1981 | USD | 33.626 | 34.499 | 33.626 | 33.626 | 6.6422 | -0.75 (-2.18%) | 49,200 |
| 24 Apr 1981 | USD | 34.376 | 34.499 | 34.126 | 34.376 | 6.7903 | +0.25 (+0.73%) | 56,100 |
| 23 Apr 1981 | USD | 34.126 | 34.499 | 34.126 | 34.126 | 6.7409 | -0.373 (-1.08%) | 6,000 |
| 22 Apr 1981 | USD | 34.499 | 34.751 | 34.25 | 34.499 | 6.8146 | 0.0 (0.0%) | 20,500 |
| 21 Apr 1981 | USD | 34.499 | 34.751 | 34.376 | 34.499 | 6.8146 | +0.123 (+0.36%) | 14,300 |
| 20 Apr 1981 | USD | 34.376 | 34.376 | 34 | 34.376 | 6.7903 | +0.126 (+0.37%) | 16,100 |
