| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 May 1981 | USD | 29.252 | 29.5 | 29.252 | 29.252 | 1.4499 | 0.0 (0.0%) | 15,600 |
| 28 May 1981 | USD | 29.252 | 29.628 | 29.252 | 29.252 | 1.4499 | -0.124 (-0.42%) | 39,400 |
| 27 May 1981 | USD | 29.376 | 29.628 | 29.128 | 29.376 | 1.4561 | -0.252 (-0.85%) | 72,500 |
| 26 May 1981 | USD | 29.628 | 29.752 | 29.376 | 29.628 | 1.4686 | +0.128 (+0.43%) | 59,600 |
| 25 May 1981 | USD | 29.5 | 29.5 | 29.5 | 29.5 | 1.4622 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 29.5 | 29.876 | 29.5 | 29.5 | 1.4622 | -0.012 (-0.85%) | 59,000 |
| 22 May 1981 |
|
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| 21 May 1981 | USD | 59.504 | 59.504 | 59 | 59.504 | 1.4747 | +1 (+1.71%) | 22,700 |
| 20 May 1981 | USD | 58.504 | 58.504 | 58 | 58.504 | 1.4499 | +0.248 (+0.43%) | 10,800 |
| 19 May 1981 | USD | 58.256 | 58.504 | 58.256 | 58.256 | 1.4438 | -0.12 (-0.21%) | 56,100 |
| 18 May 1981 | USD | 58.376 | 59.128 | 58.376 | 58.376 | 1.4467 | -0.128 (-0.22%) | 15,600 |
| 15 May 1981 | USD | 58.504 | 58.504 | 57.256 | 58.504 | 1.4499 | +1.504 (+2.64%) | 188,300 |
| 14 May 1981 | USD | 57 | 58 | 57 | 57 | 1.4126 | -1 (-1.72%) | 17,700 |
| 13 May 1981 | USD | 58 | 58 | 56.752 | 58 | 1.4374 | +0.872 (+1.53%) | 11,700 |
| 12 May 1981 | USD | 57.128 | 57.752 | 56.752 | 57.128 | 1.4158 | -0.624 (-1.08%) | 35,400 |
| 11 May 1981 | USD | 57.752 | 58 | 57.256 | 57.752 | 1.4313 | -0.504 (-0.87%) | 5,400 |
| 8 May 1981 | USD | 58.256 | 58.752 | 58.256 | 58.256 | 1.4438 | -0.376 (-0.64%) | 96,900 |
| 7 May 1981 | USD | 58.632 | 59.256 | 57.752 | 58.632 | 1.4531 | -0.248 (-0.42%) | 11,800 |
| 6 May 1981 | USD | 58.88 | 60.376 | 58.88 | 58.88 | 1.4592 | -0.872 (-1.46%) | 27,000 |
| 5 May 1981 | USD | 59.752 | 60.256 | 59 | 59.752 | 1.4808 | -1 (-1.65%) | 22,800 |
| 4 May 1981 | USD | 60.752 | 61.256 | 60.376 | 60.752 | 1.5056 | -1 (-1.62%) | 20,200 |
| 1 May 1981 | USD | 61.752 | 63 | 61.752 | 61.752 | 1.5304 | -1.248 (-1.98%) | 15,500 |
| 30 Apr 1981 | USD | 63 | 63 | 60 | 63 | 1.5613 | +3.744 (+6.32%) | 20,900 |
| 29 Apr 1981 | USD | 59.256 | 60.504 | 59.256 | 59.256 | 1.4686 | -2 (-3.26%) | 11,600 |
| 28 Apr 1981 | USD | 61.256 | 62.632 | 61.128 | 61.256 | 1.5181 | -1.376 (-2.20%) | 28,800 |
| 27 Apr 1981 | USD | 62.632 | 63.376 | 62.632 | 62.632 | 1.5522 | -0.744 (-1.17%) | 22,300 |
| 24 Apr 1981 | USD | 63.376 | 63.504 | 62.752 | 63.376 | 1.5707 | +0.744 (+1.19%) | 16,600 |
| 23 Apr 1981 | USD | 62.632 | 62.752 | 60.504 | 62.632 | 1.5522 | +2.376 (+3.94%) | 57,100 |
| 22 Apr 1981 | USD | 60.256 | 60.256 | 59.256 | 60.256 | 1.4933 | +0.624 (+1.05%) | 7,800 |
| 21 Apr 1981 | USD | 59.632 | 59.632 | 59 | 59.632 | 1.4779 | +0.632 (+1.07%) | 6,100 |
| 20 Apr 1981 | USD | 59 | 59.504 | 59 | 59 | 1.4622 | -0.632 (-1.06%) | 5,100 |
