| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 11 Feb 1980 | USD | 16.8125 | 16.875 | 16.625 | 16.6875 | 3.9884 | -0.125 (-0.74%) | 1,590,000 |
| 8 Feb 1980 | USD | 16.7813 | 16.9063 | 16.5625 | 16.8125 | 4.0183 | +0.031 (+0.19%) | 2,515,600 |
| 7 Feb 1980 | USD | 17.0625 | 17.0625 | 16.7813 | 16.7813 | 4.0108 | -0.312 (-1.83%) | 2,051,200 |
| 6 Feb 1980 | USD | 17.25 | 17.25 | 16.9375 | 17.0938 | 4.0855 | -0.312 (-1.80%) | 2,039,200 |
| 5 Feb 1980 | USD | 17.2813 | 17.4063 | 17.1875 | 17.4063 | 4.1602 | +0.125 (+0.72%) | 1,525,600 |
| 4 Feb 1980 | USD | 17.3438 | 17.4063 | 17.1563 | 17.2813 | 4.1303 | -0.062 (-0.36%) | 1,152,800 |
| 1 Feb 1980 | USD | 17.1563 | 17.375 | 17.0938 | 17.3438 | 4.1453 | +0.188 (+1.09%) | 1,446,800 |
| 31 Jan 1980 | USD | 17.5938 | 17.7813 | 17.0625 | 17.1563 | 4.1005 | -0.438 (-2.49%) | 2,344,000 |
| 30 Jan 1980 | USD | 17.5938 | 17.6563 | 17.4063 | 17.5938 | 4.205 | 0.0 (0.0%) | 1,388,400 |
| 29 Jan 1980 | USD | 17.75 | 17.8438 | 17.3438 | 17.5938 | 4.205 | -0.156 (-0.88%) | 1,430,800 |
| 28 Jan 1980 | USD | 17.5313 | 18 | 17.5313 | 17.75 | 4.2424 | +0.219 (+1.25%) | 1,456,000 |
| 25 Jan 1980 | USD | 17.6563 | 17.6875 | 17.4688 | 17.5313 | 4.1901 | -0.125 (-0.71%) | 1,343,600 |
| 24 Jan 1980 | USD | 17.8125 | 17.875 | 17.5313 | 17.6563 | 4.22 | -0.156 (-0.88%) | 2,190,400 |
| 23 Jan 1980 | USD | 17.25 | 17.8125 | 17.25 | 17.8125 | 4.2573 | +0.562 (+3.26%) | 2,120,800 |
| 22 Jan 1980 | USD | 17.25 | 17.4688 | 17.25 | 17.25 | 4.1228 | 0.0 (0.0%) | 1,688,400 |
| 21 Jan 1980 | USD | 17.4063 | 17.4688 | 17.25 | 17.25 | 4.1228 | -0.156 (-0.90%) | 1,488,800 |
| 18 Jan 1980 | USD | 17.3125 | 17.4375 | 17.1563 | 17.4063 | 4.1602 | +0.094 (+0.54%) | 2,612,400 |
| 17 Jan 1980 | USD | 17.5 | 17.5938 | 17.3125 | 17.3125 | 4.1378 | -0.188 (-1.07%) | 2,452,000 |
| 16 Jan 1980 | USD | 17.5313 | 17.7188 | 17.4375 | 17.5 | 4.1826 | -0.031 (-0.18%) | 6,008,000 |
| 15 Jan 1980 | USD | 16.7188 | 17.5625 | 16.625 | 17.5313 | 4.1901 | +0.812 (+4.86%) | 3,750,000 |
| 14 Jan 1980 | USD | 16.75 | 16.8125 | 16.5625 | 16.7188 | 3.9959 | -0.031 (-0.19%) | 1,590,800 |
| 11 Jan 1980 | USD | 16.875 | 17.0625 | 16.4063 | 16.75 | 4.0033 | -0.125 (-0.74%) | 2,180,000 |
| 10 Jan 1980 | USD | 16.5 | 16.9375 | 16.5 | 16.875 | 4.0332 | +0.531 (+3.25%) | 2,121,600 |
| 9 Jan 1980 | USD | 16.8438 | 17 | 16.3438 | 16.3438 | 3.9063 | -0.5 (-2.97%) | 3,232,000 |
| 8 Jan 1980 | USD | 15.7813 | 16.875 | 15.6563 | 16.8438 | 4.0258 | +1.062 (+6.73%) | 2,837,600 |
| 7 Jan 1980 | USD | 15.8438 | 15.8438 | 15.6563 | 15.7813 | 3.7718 | -0.062 (-0.39%) | 1,415,600 |
| 4 Jan 1980 | USD | 15.875 | 15.9375 | 15.75 | 15.8438 | 3.7868 | -0.031 (-0.20%) | 1,891,200 |
| 3 Jan 1980 | USD | 15.625 | 15.875 | 15.3125 | 15.875 | 3.7942 | +0.25 (+1.60%) | 2,441,200 |
| 2 Jan 1980 | USD | 15.75 | 16.125 | 15.625 | 15.625 | 3.7345 | 0.0 (0.0%) | 1,648,000 |
