| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 28 Jan 1981 | USD | 25.5 | 25.875 | 25.5 | 25.5 | 10.9819 | +0.75 (+3.03%) | 37,700 |
| 27 Jan 1981 | USD | 24.75 | 24.875 | 24.75 | 24.75 | 10.6589 | +2 (+8.79%) | 63,200 |
| 26 Jan 1981 | USD | 22.75 | 23.5 | 22.75 | 22.75 | 9.7976 | -2.5 (-9.90%) | 65,100 |
| 23 Jan 1981 | USD | 25.25 | 25.75 | 25.25 | 25.25 | 10.8742 | -1.5 (-5.61%) | 39,300 |
| 22 Jan 1981 | USD | 26.75 | 27.125 | 26.75 | 26.75 | 11.5202 | -1 (-3.60%) | 36,900 |
| 21 Jan 1981 | USD | 27.75 | 28.5 | 27.75 | 27.75 | 11.9509 | -0.375 (-1.33%) | 27,700 |
| 20 Jan 1981 | USD | 28.125 | 28.5 | 28.125 | 28.125 | 12.1124 | -0.125 (-0.44%) | 18,900 |
| 19 Jan 1981 | USD | 28.25 | 28.5 | 28.25 | 28.25 | 12.1662 | 0.0 (0.0%) | 37,800 |
| 16 Jan 1981 | USD | 28.25 | 28.5 | 28.25 | 28.25 | 12.1662 | 0.0 (0.0%) | 35,900 |
| 15 Jan 1981 | USD | 28.25 | 28.75 | 28.25 | 28.25 | 12.1662 | -0.875 (-3.00%) | 47,100 |
| 14 Jan 1981 | USD | 29.125 | 29.5 | 29.125 | 29.125 | 12.5431 | +0.375 (+1.30%) | 41,300 |
| 13 Jan 1981 | USD | 28.75 | 29.25 | 28.75 | 28.75 | 12.3816 | -0.5 (-1.71%) | 34,200 |
| 12 Jan 1981 | USD | 29.25 | 29.375 | 29.25 | 29.25 | 12.5969 | -0.75 (-2.50%) | 36,100 |
| 9 Jan 1981 | USD | 30 | 30.375 | 30 | 30 | 12.9199 | -0.25 (-0.83%) | 35,500 |
| 8 Jan 1981 | USD | 30.25 | 30.5 | 30.25 | 30.25 | 13.0276 | -1 (-3.20%) | 46,500 |
| 7 Jan 1981 | USD | 31.25 | 31.75 | 31.25 | 31.25 | 13.4582 | -2.5 (-7.41%) | 55,800 |
| 6 Jan 1981 | USD | 33.75 | 34 | 33.75 | 33.75 | 14.5349 | +0.125 (+0.37%) | 34,100 |
| 5 Jan 1981 | USD | 33.625 | 33.75 | 33.625 | 33.625 | 14.4811 | +1.625 (+5.08%) | 31,900 |
| 2 Jan 1981 | USD | 32 | 32.375 | 32 | 32 | 13.7812 | +0.25 (+0.79%) | 18,200 |
| 31 Dec 1980 | USD | 31.75 | 32 | 31.75 | 31.75 | 13.6736 | +0.25 (+0.79%) | 21,000 |
| 30 Dec 1980 | USD | 31.5 | 31.75 | 31.5 | 31.5 | 13.5659 | +1 (+3.28%) | 33,400 |
| 29 Dec 1980 | USD | 30.5 | 30.75 | 30.5 | 30.5 | 13.1352 | -4.25 (-12.23%) | 46,700 |
| 26 Dec 1980 | USD | 34.75 | 35.125 | 34.75 | 34.75 | 14.9655 | -0.25 (-0.71%) | 7,400 |
| 24 Dec 1980 | USD | 35 | 35.375 | 35 | 35 | 15.0732 | -0.5 (-1.41%) | 23,300 |
| 23 Dec 1980 | USD | 35.5 | 35.875 | 35.5 | 35.5 | 15.2885 | +0.875 (+2.53%) | 39,800 |
| 22 Dec 1980 | USD | 34.625 | 34.875 | 34.625 | 34.625 | 14.9117 | -0.125 (-0.36%) | 34,700 |
| 19 Dec 1980 | USD | 34.75 | 35 | 34.75 | 34.75 | 14.9655 | +2.25 (+6.92%) | 48,600 |
| 18 Dec 1980 | USD | 32.5 | 32.875 | 32.5 | 32.5 | 13.9966 | -2.5 (-7.14%) | 30,600 |
| 17 Dec 1980 | USD | 35 | 35.25 | 35 | 35 | 15.0732 | +1.25 (+3.70%) | 49,300 |
| 16 Dec 1980 | USD | 33.75 | 34 | 33.75 | 33.75 | 14.5349 | -2.5 (-6.90%) | 56,500 |
