| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 68.256 | 68.504 | 68 | 68.256 | 4.0901 | -0.248 (-0.36%) | 8,900 |
| 2 Jun 1981 | USD | 68.504 | 69 | 68.504 | 68.504 | 4.105 | -0.496 (-0.72%) | 5,300 |
| 1 Jun 1981 | USD | 69 | 69.504 | 67.752 | 69 | 4.1347 | +1.624 (+2.41%) | 34,800 |
| 29 May 1981 | USD | 67.376 | 68 | 66.752 | 67.376 | 4.0374 | +0.872 (+1.31%) | 8,000 |
| 28 May 1981 | USD | 66.504 | 66.504 | 65.376 | 66.504 | 3.9851 | +1 (+1.53%) | 8,100 |
| 27 May 1981 | USD | 65.504 | 65.632 | 64.376 | 65.504 | 3.9252 | +1.376 (+2.15%) | 15,000 |
| 26 May 1981 | USD | 64.128 | 64.128 | 63.376 | 64.128 | 3.8428 | +0.752 (+1.19%) | 3,700 |
| 25 May 1981 | USD | 63.376 | 63.376 | 63.376 | 63.376 | 3.7977 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 63.376 | 64.504 | 63.376 | 63.376 | 3.7977 | -1.376 (-2.13%) | 11,600 |
| 21 May 1981 | USD | 64.752 | 65 | 64.128 | 64.752 | 3.8802 | +0.12 (+0.19%) | 19,300 |
| 20 May 1981 | USD | 64.632 | 64.632 | 64.128 | 64.632 | 3.873 | +0.752 (+1.18%) | 19,500 |
| 19 May 1981 | USD | 63.88 | 64.88 | 63.632 | 63.88 | 3.8279 | +0.128 (+0.20%) | 8,600 |
| 18 May 1981 | USD | 63.752 | 63.752 | 63.128 | 63.752 | 3.8202 | +0.376 (+0.59%) | 20,300 |
| 15 May 1981 | USD | 63.376 | 63.752 | 63.128 | 63.376 | 3.7977 | 0.0 (0.0%) | 19,500 |
| 14 May 1981 | USD | 63.376 | 64 | 62.752 | 63.376 | 3.7977 | +0.624 (+0.99%) | 14,400 |
| 13 May 1981 | USD | 62.752 | 62.752 | 61.256 | 62.752 | 3.7603 | +1.496 (+2.44%) | 28,400 |
| 12 May 1981 | USD | 61.256 | 61.256 | 60.504 | 61.256 | 3.6707 | +0.752 (+1.24%) | 3,100 |
| 11 May 1981 | USD | 60.504 | 62.632 | 60.504 | 60.504 | 3.6256 | -2.128 (-3.40%) | 15,900 |
| 8 May 1981 | USD | 62.632 | 63.752 | 62.256 | 62.632 | 3.7531 | -1 (-1.57%) | 12,500 |
| 7 May 1981 | USD | 63.632 | 64 | 63.376 | 63.632 | 3.813 | -0.368 (-0.58%) | 60,000 |
| 6 May 1981 | USD | 64 | 64.88 | 64 | 64 | 3.8351 | -0.504 (-0.78%) | 16,900 |
| 5 May 1981 | USD | 64.504 | 65.256 | 64.504 | 64.504 | 3.8653 | -0.872 (-1.33%) | 26,700 |
| 4 May 1981 | USD | 65.376 | 66 | 64 | 65.376 | 3.9175 | +1.248 (+1.95%) | 46,100 |
| 1 May 1981 | USD | 64.128 | 64.632 | 63.752 | 64.128 | 3.8428 | +0.624 (+0.98%) | 20,000 |
| 30 Apr 1981 | USD | 63.504 | 64 | 63.376 | 63.504 | 3.8054 | -0.248 (-0.39%) | 12,400 |
| 29 Apr 1981 | USD | 63.752 | 63.88 | 63.376 | 63.752 | 3.8202 | +0.248 (+0.39%) | 21,400 |
| 28 Apr 1981 | USD | 63.504 | 64.128 | 63.504 | 63.504 | 3.8054 | -0.496 (-0.78%) | 9,100 |
| 27 Apr 1981 | USD | 64 | 64.632 | 64 | 64 | 3.8351 | +0.12 (+0.19%) | 16,700 |
| 24 Apr 1981 | USD | 63.88 | 64.376 | 63.504 | 63.88 | 3.8279 | +0.376 (+0.59%) | 12,500 |
| 23 Apr 1981 | USD | 63.504 | 63.752 | 63.376 | 63.504 | 3.8054 | 0.0 (0.0%) | 4,300 |
