| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 8 Jun 1981 | USD | 34.5 | 34.878 | 34.5 | 34.5 | 2.7571 | -0.126 (-0.36%) | 6,500 |
| 5 Jun 1981 | USD | 34.626 | 35.004 | 34.626 | 34.626 | 2.7672 | -0.252 (-0.72%) | 9,600 |
| 4 Jun 1981 | USD | 34.878 | 35.13 | 34.878 | 34.878 | 2.7873 | +1.374 (+4.10%) | 13,900 |
| 3 Jun 1981 | USD | 33.504 | 33.75 | 33.504 | 33.504 | 2.6775 | +1.374 (+4.28%) | 14,200 |
| 2 Jun 1981 | USD | 32.13 | 32.376 | 32.13 | 32.13 | 2.5677 | -0.12 (-0.37%) | 8,400 |
| 1 Jun 1981 | USD | 32.25 | 32.502 | 32.25 | 32.25 | 2.5773 | 0.0 (0.0%) | 1,900 |
| 29 May 1981 | USD | 32.25 | 32.502 | 32.25 | 32.25 | 2.5773 | +0.498 (+1.57%) | 9,700 |
| 28 May 1981 | USD | 31.752 | 32.004 | 31.752 | 31.752 | 2.5375 | +0.126 (+0.40%) | 2,300 |
| 27 May 1981 | USD | 31.626 | 31.878 | 31.626 | 31.626 | 2.5274 | 0.0 (0.0%) | 4,700 |
| 26 May 1981 | USD | 31.626 | 32.004 | 31.626 | 31.626 | 2.5274 | 0.0 (0.0%) | 15,000 |
| 25 May 1981 | USD | 31.626 | 31.626 | 31.626 | 31.626 | 2.5274 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 31.626 | 32.004 | 31.626 | 31.626 | 2.5274 | 0.0 (0.0%) | 4,400 |
| 21 May 1981 | USD | 31.626 | 32.004 | 31.626 | 31.626 | 2.5274 | 0.0 (0.0%) | 5,100 |
| 20 May 1981 | USD | 31.626 | 31.878 | 31.626 | 31.626 | 2.5274 | -0.252 (-0.79%) | 5,900 |
| 19 May 1981 | USD | 31.878 | 32.13 | 31.878 | 31.878 | 2.5476 | 0.0 (0.0%) | 12,400 |
| 18 May 1981 | USD | 31.878 | 32.13 | 31.878 | 31.878 | 2.5476 | +0.378 (+1.20%) | 10,400 |
| 15 May 1981 | USD | 31.5 | 31.626 | 31.5 | 31.5 | 2.5174 | +0.996 (+3.27%) | 16,000 |
| 14 May 1981 | USD | 30.504 | 30.75 | 30.504 | 30.504 | 2.4378 | +0.126 (+0.41%) | 4,500 |
| 13 May 1981 | USD | 30.378 | 30.63 | 30.378 | 30.378 | 2.4277 | +0.126 (+0.42%) | 12,300 |
| 12 May 1981 | USD | 30.252 | 30.504 | 30.252 | 30.252 | 2.4176 | +0.126 (+0.42%) | 5,000 |
| 11 May 1981 | USD | 30.126 | 30.378 | 30.126 | 30.126 | 2.4076 | +0.246 (+0.82%) | 3,700 |
| 8 May 1981 | USD | 29.88 | 30.252 | 29.88 | 29.88 | 2.3879 | 0.0 (0.0%) | 2,700 |
| 7 May 1981 | USD | 29.88 | 30.252 | 29.88 | 29.88 | 2.3879 | 0.0 (0.0%) | 6,700 |
| 6 May 1981 | USD | 29.88 | 30.252 | 29.88 | 29.88 | 2.3879 | 0.0 (0.0%) | 3,400 |
| 5 May 1981 | USD | 29.88 | 30.252 | 29.88 | 29.88 | 2.3879 | -0.246 (-0.82%) | 15,500 |
| 4 May 1981 | USD | 30.126 | 30.504 | 30.126 | 30.126 | 2.4076 | -0.504 (-1.65%) | 6,500 |
| 1 May 1981 | USD | 30.63 | 30.876 | 30.63 | 30.63 | 2.4478 | -0.12 (-0.39%) | 8,200 |
| 30 Apr 1981 | USD | 30.75 | 31.002 | 30.75 | 30.75 | 2.4574 | -0.504 (-1.61%) | 9,300 |
| 29 Apr 1981 | USD | 31.254 | 31.5 | 31.254 | 31.254 | 2.4977 | -0.246 (-0.78%) | 7,500 |
| 28 Apr 1981 | USD | 31.5 | 31.752 | 31.5 | 31.5 | 2.5174 | -0.126 (-0.40%) | 5,300 |
