| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 26 Jan 1981 | USD | 19.875 | 20.375 | 19.25 | 19.875 | 39.75 | +0.375 (+1.92%) | 13,600 |
| 23 Jan 1981 | USD | 19.5 | 19.75 | 19.375 | 19.5 | 39 | 0.0 (0.0%) | 2,100 |
| 22 Jan 1981 | USD | 19.5 | 20.75 | 19 | 19.5 | 39 | -1.5 (-7.14%) | 21,700 |
| 21 Jan 1981 | USD | 21 | 21.125 | 20.5 | 21 | 42 | -0.125 (-0.59%) | 8,000 |
| 20 Jan 1981 | USD | 21.125 | 22.125 | 21 | 21.125 | 42.25 | -0.75 (-3.43%) | 3,300 |
| 19 Jan 1981 | USD | 21.875 | 22 | 21.5 | 21.875 | 43.75 | 0.0 (0.0%) | 7,100 |
| 16 Jan 1981 | USD | 21.875 | 22.5 | 21.75 | 21.875 | 43.75 | -0.125 (-0.57%) | 8,000 |
| 15 Jan 1981 | USD | 22 | 22.125 | 21 | 22 | 44 | +1.25 (+6.02%) | 8,000 |
| 14 Jan 1981 | USD | 20.75 | 21.125 | 20.75 | 20.75 | 41.5 | 0.0 (0.0%) | 4,600 |
| 13 Jan 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 41.5 | -0.375 (-1.78%) | 4,600 |
| 12 Jan 1981 | USD | 21.125 | 22.5 | 21.125 | 21.125 | 42.25 | -0.125 (-0.59%) | 15,600 |
| 9 Jan 1981 | USD | 21.25 | 21.25 | 20 | 21.25 | 42.5 | +1 (+4.94%) | 7,300 |
| 8 Jan 1981 | USD | 20.25 | 21.875 | 20.25 | 20.25 | 40.5 | -0.625 (-2.99%) | 14,700 |
| 7 Jan 1981 | USD | 20.875 | 21.25 | 20 | 20.875 | 41.75 | -2.75 (-11.64%) | 69,900 |
| 6 Jan 1981 | USD | 23.625 | 24 | 23.5 | 23.625 | 47.25 | 0.0 (0.0%) | 10,700 |
| 5 Jan 1981 | USD | 23.625 | 24 | 23.625 | 23.625 | 47.25 | -0.125 (-0.53%) | 22,800 |
| 2 Jan 1981 | USD | 23.75 | 24.5 | 23.375 | 23.75 | 47.5 | +0.375 (+1.60%) | 15,800 |
| 31 Dec 1980 | USD | 23.375 | 23.625 | 23.125 | 23.375 | 46.75 | +0.25 (+1.08%) | 2,200 |
| 30 Dec 1980 | USD | 23.125 | 23.125 | 23 | 23.125 | 46.25 | +0.375 (+1.65%) | 600 |
| 29 Dec 1980 | USD | 22.75 | 23 | 22.625 | 22.75 | 45.5 | -0.125 (-0.55%) | 6,300 |
| 26 Dec 1980 | USD | 22.875 | 22.875 | 22.5 | 22.875 | 45.75 | 0.0 (0.0%) | 3,400 |
| 24 Dec 1980 | USD | 22.875 | 23.25 | 22.875 | 22.875 | 45.75 | -0.125 (-0.54%) | 1,200 |
| 23 Dec 1980 | USD | 23 | 23.5 | 22.625 | 23 | 46 | -0.5 (-2.13%) | 5,000 |
| 22 Dec 1980 | USD | 23.5 | 23.625 | 23.25 | 23.5 | 47 | -0.125 (-0.53%) | 1,500 |
| 19 Dec 1980 | USD | 23.625 | 23.625 | 23 | 23.625 | 47.25 | 0.0 (0.0%) | 4,100 |
| 18 Dec 1980 | USD | 23.625 | 24.75 | 23.5 | 23.625 | 47.25 | -0.875 (-3.57%) | 12,100 |
| 17 Dec 1980 | USD | 24.5 | 24.875 | 24 | 24.5 | 49 | +1.25 (+5.38%) | 11,900 |
| 16 Dec 1980 | USD | 23.25 | 23.75 | 23.25 | 23.25 | 46.5 | -0.25 (-1.06%) | 3,900 |
| 15 Dec 1980 | USD | 23.5 | 24 | 23 | 23.5 | 47 | +0.75 (+3.30%) | 11,000 |
| 12 Dec 1980 | USD | 22.75 | 23.5 | 22.25 | 22.75 | 45.5 | +0.25 (+1.11%) | 9,900 |
