| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 27 May 1981 | USD | 64.128 | 64.128 | 62.5 | 64.128 | 4.008 | +1.252 (+1.99%) | 71,800 |
| 26 May 1981 | USD | 62.876 | 62.876 | 62 | 62.876 | 3.9297 | +0.876 (+1.41%) | 48,800 |
| 25 May 1981 | USD | 62 | 62 | 62 | 62 | 3.875 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 62 | 63 | 61.752 | 62 | 3.875 | +0.624 (+1.02%) | 61,300 |
| 21 May 1981 | USD | 61.376 | 61.876 | 60.876 | 61.376 | 3.836 | +0.5 (+0.82%) | 80,700 |
| 20 May 1981 | USD | 60.876 | 61.876 | 60.876 | 60.876 | 3.8047 | -0.624 (-1.01%) | 49,800 |
| 19 May 1981 | USD | 61.5 | 63.252 | 61.376 | 61.5 | 3.8438 | -1.5 (-2.38%) | 70,900 |
| 18 May 1981 | USD | 63 | 63.376 | 63 | 63 | 3.9375 | -0.252 (-0.40%) | 23,300 |
| 15 May 1981 | USD | 63.252 | 63.752 | 62.252 | 63.252 | 3.9533 | +0.876 (+1.40%) | 30,200 |
| 14 May 1981 | USD | 62.376 | 62.376 | 61.752 | 62.376 | 3.8985 | +0.5 (+0.81%) | 43,800 |
| 13 May 1981 | USD | 61.876 | 62.252 | 61.876 | 61.876 | 3.8672 | -0.5 (-0.80%) | 42,500 |
| 12 May 1981 | USD | 62.376 | 62.5 | 62.128 | 62.376 | 3.8985 | +0.248 (+0.40%) | 70,300 |
| 11 May 1981 | USD | 62.128 | 62.5 | 62 | 62.128 | 3.883 | -0.624 (-0.99%) | 22,200 |
| 8 May 1981 | USD | 62.752 | 63.128 | 62.752 | 62.752 | 3.922 | -0.248 (-0.39%) | 55,000 |
| 7 May 1981 | USD | 63 | 63 | 62.5 | 63 | 3.9375 | +0.248 (+0.40%) | 48,200 |
| 6 May 1981 | USD | 62.752 | 63.628 | 62.752 | 62.752 | 3.922 | -0.5 (-0.79%) | 35,900 |
| 5 May 1981 | USD | 63.252 | 63.5 | 62.876 | 63.252 | 3.9533 | -0.376 (-0.59%) | 56,500 |
| 4 May 1981 | USD | 63.628 | 64.628 | 63.628 | 63.628 | 3.9768 | -1 (-1.55%) | 30,900 |
| 1 May 1981 | USD | 64.628 | 64.628 | 63.752 | 64.628 | 4.0393 | 0.0 (0.0%) | 61,900 |
| 30 Apr 1981 | USD | 64.628 | 65.252 | 64.376 | 64.628 | 4.0393 | -0.5 (-0.77%) | 78,000 |
| 29 Apr 1981 | USD | 65.128 | 67 | 65.128 | 65.128 | 4.0705 | -1.748 (-2.61%) | 105,300 |
| 28 Apr 1981 | USD | 66.876 | 68.252 | 66.752 | 66.876 | 4.1798 | -1.252 (-1.84%) | 56,200 |
| 27 Apr 1981 | USD | 68.128 | 68.5 | 67.5 | 68.128 | 4.258 | +0.752 (+1.12%) | 53,900 |
| 24 Apr 1981 | USD | 67.376 | 67.376 | 66 | 67.376 | 4.211 | +1.124 (+1.70%) | 38,000 |
| 23 Apr 1981 | USD | 66.252 | 66.752 | 66.252 | 66.252 | 4.1407 | -0.376 (-0.56%) | 59,900 |
| 22 Apr 1981 | USD | 66.628 | 67.628 | 66.252 | 66.628 | 4.1643 | -1.248 (-1.84%) | 75,100 |
| 21 Apr 1981 | USD | 67.876 | 68.376 | 67.752 | 67.876 | 4.2423 | -0.5 (-0.73%) | 64,800 |
| 20 Apr 1981 | USD | 68.376 | 68.752 | 67.376 | 68.376 | 4.2735 | +1.124 (+1.67%) | 100,700 |
| 17 Apr 1981 | USD | 67.252 | 67.252 | 67.252 | 67.252 | 4.2032 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 67.252 | 67.376 | 66.252 | 67.252 | 4.2032 | +1.252 (+1.90%) | 63,200 |
