| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 28 May 1980 | USD | 24.504 | 24.63 | 24.251 | 24.504 | 0.2295 | 0.0 (0.0%) | 16,000 |
| 27 May 1980 | USD | 24.504 | 24.504 | 24.251 | 24.504 | 0.2295 | +0.253 (+1.04%) | 11,801 |
| 26 May 1980 | USD | 24.251 | 24.251 | 24.251 | 24.251 | 0.2271 | 0.0 (0.0%) | 0 |
| 23 May 1980 | USD | 24.251 | 24.377 | 24.005 | 24.251 | 0.2271 | +0.246 (+1.02%) | 11,001 |
| 22 May 1980 | USD | 24.005 | 24.005 | 22.753 | 24.005 | 0.2248 | +0.879 (+3.80%) | 13,201 |
| 21 May 1980 | USD | 23.126 | 23.126 | 22.753 | 23.126 | 0.2166 | +0.127 (+0.55%) | 9,600 |
| 20 May 1980 | USD | 22.999 | 22.999 | 22.88 | 22.999 | 0.2154 | +0.246 (+1.08%) | 4,301 |
| 19 May 1980 | USD | 22.753 | 22.999 | 22.753 | 22.753 | 0.2131 | -0.499 (-2.15%) | 10,400 |
| 16 May 1980 | USD | 23.252 | 23.759 | 22.001 | 23.252 | 0.2177 | +1.251 (+5.69%) | 23,101 |
| 15 May 1980 | USD | 22.001 | 22.254 | 21.755 | 22.001 | 0.206 | -0.633 (-2.80%) | 5,801 |
| 14 May 1980 | USD | 22.634 | 22.753 | 21.129 | 22.634 | 0.212 | +1.632 (+7.77%) | 17,600 |
| 13 May 1980 | USD | 21.002 | 21.002 | 20.004 | 21.002 | 0.1967 | +1.125 (+5.66%) | 23,401 |
| 12 May 1980 | USD | 19.877 | 19.877 | 19.624 | 19.877 | 0.1861 | +0.253 (+1.29%) | 8,101 |
| 9 May 1980 | USD | 19.624 | 19.751 | 19.505 | 19.624 | 0.1838 | -0.127 (-0.64%) | 2,301 |
| 8 May 1980 | USD | 19.751 | 19.751 | 19.505 | 19.751 | 0.185 | +0.246 (+1.26%) | 4,101 |
| 7 May 1980 | USD | 19.505 | 19.751 | 19.378 | 19.505 | 0.1827 | 0.0 (0.0%) | 59,101 |
| 6 May 1980 | USD | 19.505 | 19.877 | 19.378 | 19.505 | 0.1827 | -0.372 (-1.87%) | 14,701 |
| 5 May 1980 | USD | 19.877 | 19.877 | 19.125 | 19.877 | 0.1861 | +0.253 (+1.29%) | 20,501 |
| 2 May 1980 | USD | 19.624 | 20.004 | 18.752 | 19.624 | 0.1838 | +0.998 (+5.36%) | 50,701 |
| 1 May 1980 | USD | 18.626 | 18.752 | 18.38 | 18.626 | 0.1744 | -0.126 (-0.67%) | 9,001 |
| 30 Apr 1980 | USD | 18.752 | 18.752 | 18.499 | 18.752 | 0.1756 | +0.372 (+2.02%) | 1,201 |
| 29 Apr 1980 | USD | 18.38 | 18.38 | 18.134 | 18.38 | 0.1721 | +0.38 (+2.11%) | 1,801 |
| 28 Apr 1980 | USD | 18 | 18.253 | 18 | 18 | 0.1686 | 0.0 (0.0%) | 17,401 |
| 25 Apr 1980 | USD | 18 | 18.134 | 18 | 18 | 0.1686 | -0.253 (-1.39%) | 7,501 |
| 24 Apr 1980 | USD | 18.253 | 18.499 | 18.253 | 18.253 | 0.1709 | -0.127 (-0.69%) | 32,301 |
| 23 Apr 1980 | USD | 18.38 | 18.499 | 17.754 | 18.38 | 0.1721 | +0.38 (+2.11%) | 55,301 |
| 22 Apr 1980 | USD | 18 | 18.253 | 17.754 | 18 | 0.1686 | +0.246 (+1.39%) | 16,000 |
| 21 Apr 1980 | USD | 17.754 | 18 | 17.754 | 17.754 | 0.1663 | 0.0 (0.0%) | 2,301 |
| 18 Apr 1980 | USD | 17.754 | 18.253 | 17.754 | 17.754 | 0.1663 | -0.38 (-2.10%) | 1,301 |
| 17 Apr 1980 | USD | 18.134 | 18.499 | 18 | 18.134 | 0.1698 | -0.365 (-1.97%) | 12,601 |
