| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 28 May 1980 | USD | 25.504 | 26 | 25.504 | 25.504 | 0.797 | -0.128 (-0.50%) | 54,400 |
| 27 May 1980 | USD | 25.632 | 26.128 | 25.632 | 25.632 | 0.801 | -1 (-3.75%) | 65,000 |
| 26 May 1980 | USD | 26.632 | 26.632 | 26.632 | 26.632 | 0.8323 | 0.0 (0.0%) | 0 |
| 23 May 1980 | USD | 26.632 | 27.128 | 26.632 | 26.632 | 0.8323 | +1.632 (+6.53%) | 103,000 |
| 22 May 1980 | USD | 25 | 25.504 | 25 | 25 | 0.7812 | 0.0 (0.0%) | 59,600 |
| 21 May 1980 | USD | 25 | 25.504 | 25 | 25 | 0.7812 | -0.504 (-1.98%) | 25,200 |
| 20 May 1980 | USD | 25.504 | 26 | 25.504 | 25.504 | 0.797 | 0.0 (0.0%) | 30,500 |
| 19 May 1980 | USD | 25.504 | 26 | 25.504 | 25.504 | 0.797 | -0.248 (-0.96%) | 28,100 |
| 16 May 1980 | USD | 25.752 | 26.256 | 25.752 | 25.752 | 0.8047 | +0.248 (+0.97%) | 35,800 |
| 15 May 1980 | USD | 25.504 | 26 | 25.504 | 25.504 | 0.797 | +0.248 (+0.98%) | 42,700 |
| 14 May 1980 | USD | 25.256 | 25.752 | 25.256 | 25.256 | 0.7893 | -0.744 (-2.86%) | 29,200 |
| 13 May 1980 | USD | 26 | 26.504 | 26 | 26 | 0.8125 | +1 (+4%) | 143,100 |
| 12 May 1980 | USD | 25 | 25.504 | 25 | 25 | 0.7812 | -0.752 (-2.92%) | 77,900 |
| 9 May 1980 | USD | 25.752 | 26.256 | 25.752 | 25.752 | 0.8047 | -0.624 (-2.37%) | 50,600 |
| 8 May 1980 | USD | 26.376 | 26.88 | 26.376 | 26.376 | 0.8243 | -0.376 (-1.41%) | 59,900 |
| 7 May 1980 | USD | 26.752 | 27.256 | 26.752 | 26.752 | 0.836 | 0.0 (0.0%) | 48,500 |
| 6 May 1980 | USD | 26.752 | 27.256 | 26.752 | 26.752 | 0.836 | -0.752 (-2.73%) | 67,000 |
| 5 May 1980 | USD | 27.504 | 28 | 27.504 | 27.504 | 0.8595 | -1.872 (-6.37%) | 148,700 |
| 2 May 1980 | USD | 29.376 | 29.88 | 29.376 | 29.376 | 0.918 | +2.744 (+10.30%) | 262,500 |
| 1 May 1980 | USD | 26.632 | 27.128 | 26.632 | 26.632 | 0.8323 | +1 (+3.90%) | 133,800 |
| 30 Apr 1980 | USD | 25.632 | 26.128 | 25.632 | 25.632 | 0.801 | 0.0 (0.0%) | 73,700 |
| 29 Apr 1980 | USD | 25.632 | 26.128 | 25.632 | 25.632 | 0.801 | +0.128 (+0.50%) | 45,400 |
| 28 Apr 1980 | USD | 25.504 | 26 | 25.504 | 25.504 | 0.797 | -0.248 (-0.96%) | 60,500 |
| 25 Apr 1980 | USD | 25.752 | 26.256 | 25.752 | 25.752 | 0.8047 | -0.504 (-1.92%) | 58,200 |
| 24 Apr 1980 | USD | 26.256 | 26.752 | 26.256 | 26.256 | 0.8205 | +1 (+3.96%) | 98,600 |
| 23 Apr 1980 | USD | 25.256 | 25.752 | 25.256 | 25.256 | 0.7893 | -0.744 (-2.86%) | 78,800 |
| 22 Apr 1980 | USD | 26 | 26.504 | 26 | 26 | 0.8125 | +1 (+4%) | 112,900 |
| 21 Apr 1980 | USD | 25 | 25.752 | 25 | 25 | 0.7812 | -1 (-3.85%) | 102,300 |
| 18 Apr 1980 | USD | 26 | 26.504 | 26 | 26 | 0.8125 | +0.248 (+0.96%) | 177,600 |
| 17 Apr 1980 | USD | 25.752 | 26.504 | 25.752 | 25.752 | 0.8047 | +4.376 (+20.47%) | 238,900 |
