| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 16 May 1980 | USD | 29.264 | 30.256 | 29.264 | 29.264 | 0.2286 | +0.512 (+1.78%) | 7,200 |
| 15 May 1980 | USD | 28.752 | 29.76 | 28.752 | 28.752 | 0.2246 | -0.512 (-1.75%) | 16,000 |
| 14 May 1980 | USD | 29.264 | 30.256 | 29.264 | 29.264 | 0.2286 | +0.256 (+0.88%) | 3,000 |
| 13 May 1980 | USD | 29.008 | 30 | 29.008 | 29.008 | 0.2266 | +0.496 (+1.74%) | 17,100 |
| 12 May 1980 | USD | 28.512 | 29.504 | 28.512 | 28.512 | 0.2228 | -0.496 (-1.71%) | 6,400 |
| 9 May 1980 | USD | 29.008 | 30 | 29.008 | 29.008 | 0.2266 | -0.496 (-1.68%) | 6,400 |
| 8 May 1980 | USD | 29.504 | 30.512 | 29.504 | 29.504 | 0.2305 | +0.992 (+3.48%) | 15,400 |
| 7 May 1980 | USD | 28.512 | 29.504 | 28.512 | 28.512 | 0.2228 | +0.512 (+1.83%) | 5,700 |
| 6 May 1980 | USD | 28 | 29.008 | 28 | 28 | 0.2188 | +0.992 (+3.67%) | 10,200 |
| 5 May 1980 | USD | 27.008 | 28 | 27.008 | 27.008 | 0.211 | +0.496 (+1.87%) | 8,200 |
| 2 May 1980 | USD | 26.512 | 27.504 | 26.512 | 26.512 | 0.2071 | 0.0 (0.0%) | 1,900 |
| 1 May 1980 | USD | 26.512 | 27.504 | 26.512 | 26.512 | 0.2071 | 0.0 (0.0%) | 1,300 |
| 30 Apr 1980 | USD | 26.512 | 27.504 | 26.512 | 26.512 | 0.2071 | 0.0 (0.0%) | 17,500 |
| 29 Apr 1980 | USD | 26.512 | 27.504 | 26.512 | 26.512 | 0.2071 | +0.752 (+2.92%) | 15,000 |
| 28 Apr 1980 | USD | 25.76 | 26.752 | 25.76 | 25.76 | 0.2013 | +0.256 (+1.00%) | 3,300 |
| 25 Apr 1980 | USD | 25.504 | 26.512 | 25.504 | 25.504 | 0.1993 | -0.256 (-0.99%) | 4,200 |
| 24 Apr 1980 | USD | 25.76 | 26.752 | 25.76 | 25.76 | 0.2013 | +0.752 (+3.01%) | 5,700 |
| 23 Apr 1980 | USD | 25.008 | 26 | 25.008 | 25.008 | 0.1954 | -0.496 (-1.94%) | 4,400 |
| 22 Apr 1980 | USD | 25.504 | 26.512 | 25.504 | 25.504 | 0.1993 | 0.0 (0.0%) | 3,000 |
| 21 Apr 1980 | USD | 25.504 | 26.512 | 25.504 | 25.504 | 0.1993 | -0.256 (-0.99%) | 3,500 |
| 18 Apr 1980 | USD | 25.76 | 26.752 | 25.76 | 25.76 | 0.2013 | +0.256 (+1.00%) | 2,500 |
| 17 Apr 1980 | USD | 25.504 | 26.512 | 25.504 | 25.504 | 0.1993 | 0.0 (0.0%) | 2,800 |
| 16 Apr 1980 | USD | 25.504 | 26.512 | 25.504 | 25.504 | 0.1993 | +0.496 (+1.98%) | 6,300 |
| 15 Apr 1980 | USD | 25.008 | 26 | 25.008 | 25.008 | 0.1954 | +0.256 (+1.03%) | 2,200 |
| 14 Apr 1980 | USD | 24.752 | 25.76 | 24.752 | 24.752 | 0.1934 | 0.0 (0.0%) | 5,500 |
| 11 Apr 1980 | USD | 24.752 | 25.76 | 24.752 | 24.752 | 0.1934 | +0.24 (+0.98%) | 2,900 |
| 10 Apr 1980 | USD | 24.512 | 25.504 | 24.512 | 24.512 | 0.1915 | +0.256 (+1.06%) | 11,300 |
| 9 Apr 1980 | USD | 24.256 | 25.264 | 24.256 | 24.256 | 0.1895 | +0.496 (+2.09%) | 6,900 |
| 8 Apr 1980 | USD | 23.76 | 24.752 | 23.76 | 23.76 | 0.1856 | +0.496 (+2.13%) | 2,200 |
| 7 Apr 1980 | USD | 23.264 | 24.256 | 23.264 | 23.264 | 0.1817 | 0.0 (0.0%) | 3,700 |
