| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 13 May 1980 | USD | 29 | 29.256 | 28.752 | 29 | 1.8125 | +0.248 (+0.86%) | 4,300 |
| 12 May 1980 | USD | 28.752 | 28.752 | 28.376 | 28.752 | 1.797 | 0.0 (0.0%) | 9,500 |
| 9 May 1980 | USD | 28.752 | 29 | 28 | 28.752 | 1.797 | -0.248 (-0.86%) | 24,800 |
| 8 May 1980 | USD | 29 | 29.256 | 28.88 | 29 | 1.8125 | -0.256 (-0.88%) | 2,700 |
| 7 May 1980 | USD | 29.256 | 29.504 | 28 | 29.256 | 1.8285 | +1.256 (+4.49%) | 7,000 |
| 6 May 1980 | USD | 28 | 28.128 | 27.504 | 28 | 1.75 | +0.12 (+0.43%) | 8,000 |
| 5 May 1980 | USD | 27.88 | 27.88 | 27.256 | 27.88 | 1.7425 | +0.248 (+0.90%) | 83,500 |
| 2 May 1980 | USD | 27.632 | 27.632 | 27 | 27.632 | 1.727 | +0.376 (+1.38%) | 10,800 |
| 1 May 1980 | USD | 27.256 | 27.504 | 27 | 27.256 | 1.7035 | -0.248 (-0.90%) | 16,800 |
| 30 Apr 1980 | USD | 27.504 | 27.504 | 27.256 | 27.504 | 1.719 | 0.0 (0.0%) | 11,300 |
| 29 Apr 1980 | USD | 27.504 | 27.504 | 27.128 | 27.504 | 1.719 | +0.376 (+1.39%) | 26,800 |
| 28 Apr 1980 | USD | 27.128 | 27.504 | 27.128 | 27.128 | 1.6955 | -0.128 (-0.47%) | 48,200 |
| 25 Apr 1980 | USD | 27.256 | 27.376 | 26.632 | 27.256 | 1.7035 | +0.504 (+1.88%) | 19,600 |
| 24 Apr 1980 | USD | 26.752 | 27.128 | 26.632 | 26.752 | 1.672 | 0.0 (0.0%) | 7,200 |
| 23 Apr 1980 | USD | 26.752 | 27.256 | 26.632 | 26.752 | 1.672 | -0.504 (-1.85%) | 23,700 |
| 22 Apr 1980 | USD | 27.256 | 27.256 | 26.504 | 27.256 | 1.7035 | +0.752 (+2.84%) | 4,400 |
| 21 Apr 1980 | USD | 26.504 | 26.88 | 26.504 | 26.504 | 1.6565 | -0.496 (-1.84%) | 11,300 |
| 18 Apr 1980 | USD | 27 | 27.376 | 27 | 27 | 1.6875 | -0.256 (-0.94%) | 2,900 |
| 17 Apr 1980 | USD | 27.256 | 27.632 | 27.256 | 27.256 | 1.7035 | -0.248 (-0.90%) | 2,500 |
| 16 Apr 1980 | USD | 27.504 | 28.256 | 27.504 | 27.504 | 1.719 | -0.248 (-0.89%) | 5,600 |
| 15 Apr 1980 | USD | 27.752 | 28.256 | 27.376 | 27.752 | 1.7345 | +0.12 (+0.43%) | 5,700 |
| 14 Apr 1980 | USD | 27.632 | 28.256 | 27.632 | 27.632 | 1.727 | -0.12 (-0.43%) | 4,700 |
| 11 Apr 1980 | USD | 27.752 | 28.256 | 27.504 | 27.752 | 1.7345 | +0.12 (+0.43%) | 8,400 |
| 10 Apr 1980 | USD | 27.632 | 27.752 | 27 | 27.632 | 1.727 | +0.752 (+2.80%) | 4,500 |
| 9 Apr 1980 | USD | 26.88 | 27.256 | 26.376 | 26.88 | 1.68 | +0.504 (+1.91%) | 9,600 |
| 8 Apr 1980 | USD | 26.376 | 26.376 | 25.88 | 26.376 | 1.6485 | +0.376 (+1.45%) | 3,100 |
| 7 Apr 1980 | USD | 26 | 26.256 | 26 | 26 | 1.625 | -0.256 (-0.98%) | 6,100 |
| 3 Apr 1980 | USD | 26.256 | 26.504 | 26 | 26.256 | 1.641 | -0.12 (-0.45%) | 6,800 |
| 2 Apr 1980 | USD | 26.376 | 26.376 | 25.752 | 26.376 | 1.6485 | +0.12 (+0.46%) | 15,800 |
| 1 Apr 1980 | USD | 26.256 | 26.88 | 26 | 26.256 | 1.641 | -0.496 (-1.85%) | 26,900 |
