| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Apr 1981 | USD | 31.504 | 31.88 | 31.256 | 31.504 | 1.969 | -0.128 (-0.40%) | 18,500 |
| 21 Apr 1981 | USD | 31.632 | 31.632 | 31.128 | 31.632 | 1.977 | +0.504 (+1.62%) | 13,000 |
| 20 Apr 1981 | USD | 31.128 | 31.256 | 31 | 31.128 | 1.9455 | -0.128 (-0.41%) | 5,200 |
| 17 Apr 1981 | USD | 31.256 | 31.256 | 31.256 | 31.256 | 1.9535 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 31.256 | 31.376 | 30.88 | 31.256 | 1.9535 | +0.128 (+0.41%) | 18,000 |
| 15 Apr 1981 | USD | 31.128 | 31.256 | 30.88 | 31.128 | 1.9455 | +0.376 (+1.22%) | 4,200 |
| 14 Apr 1981 | USD | 30.752 | 31.376 | 30.752 | 30.752 | 1.922 | -0.376 (-1.21%) | 3,500 |
| 13 Apr 1981 | USD | 31.128 | 31.632 | 31 | 31.128 | 1.9455 | -0.248 (-0.79%) | 13,000 |
| 10 Apr 1981 | USD | 31.376 | 31.504 | 31.256 | 31.376 | 1.961 | -0.256 (-0.81%) | 5,000 |
| 9 Apr 1981 | USD | 31.632 | 31.632 | 31.256 | 31.632 | 1.977 | +0.376 (+1.20%) | 15,000 |
| 8 Apr 1981 | USD | 31.256 | 31.504 | 31.128 | 31.256 | 1.9535 | 0.0 (0.0%) | 11,900 |
| 7 Apr 1981 | USD | 31.256 | 31.504 | 31.256 | 31.256 | 1.9535 | +0.128 (+0.41%) | 7,300 |
| 6 Apr 1981 | USD | 31.128 | 31.256 | 31 | 31.128 | 1.9455 | -0.128 (-0.41%) | 5,500 |
| 3 Apr 1981 | USD | 31.256 | 31.256 | 30.752 | 31.256 | 1.9535 | -0.624 (-1.96%) | 7,700 |
| 2 Apr 1981 | USD | 31.88 | 32.128 | 31.88 | 31.88 | 1.9925 | -0.12 (-0.38%) | 3,500 |
| 1 Apr 1981 | USD | 32 | 32.256 | 31.752 | 32 | 2 | +0.12 (+0.38%) | 5,000 |
| 31 Mar 1981 | USD | 31.88 | 32 | 31.632 | 31.88 | 1.9925 | +0.248 (+0.78%) | 41,700 |
| 30 Mar 1981 | USD | 31.632 | 31.752 | 31.504 | 31.632 | 1.977 | +0.128 (+0.41%) | 5,600 |
| 27 Mar 1981 | USD | 31.504 | 32 | 31.504 | 31.504 | 1.969 | -0.496 (-1.55%) | 7,400 |
| 26 Mar 1981 | USD | 32 | 32.256 | 31.504 | 32 | 2 | +0.248 (+0.78%) | 6,600 |
| 25 Mar 1981 | USD | 31.752 | 31.88 | 31.376 | 31.752 | 1.9845 | +0.12 (+0.38%) | 5,700 |
| 24 Mar 1981 | USD | 31.632 | 32.376 | 31.504 | 31.632 | 1.977 | -0.496 (-1.54%) | 6,100 |
| 23 Mar 1981 | USD | 32.128 | 32.504 | 32.128 | 32.128 | 2.008 | -0.128 (-0.40%) | 2,000 |
| 20 Mar 1981 | USD | 32.256 | 32.504 | 31.88 | 32.256 | 2.016 | 0.0 (0.0%) | 12,000 |
| 19 Mar 1981 | USD | 32.256 | 32.504 | 32.128 | 32.256 | 2.016 | -0.248 (-0.76%) | 3,200 |
| 18 Mar 1981 | USD | 32.504 | 32.504 | 31.752 | 32.504 | 2.0315 | +0.248 (+0.77%) | 21,900 |
| 17 Mar 1981 | USD | 32.256 | 32.376 | 32 | 32.256 | 2.016 | -0.248 (-0.76%) | 16,400 |
| 16 Mar 1981 | USD | 32.504 | 32.752 | 32.128 | 32.504 | 2.0315 | 0.0 (0.0%) | 30,300 |
| 13 Mar 1981 | USD | 32.504 | 33 | 32.256 | 32.504 | 2.0315 | +0.376 (+1.17%) | 13,300 |
| 12 Mar 1981 | USD | 32.128 | 32.376 | 32.128 | 32.128 | 2.008 | +0.128 (+0.40%) | 14,100 |
