| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 28 Jan 1981 | USD | 16.625 | 16.75 | 16.5 | 16.625 | 16.625 | 0.0 (0.0%) | 15,700 |
| 27 Jan 1981 | USD | 16.625 | 16.625 | 16.375 | 16.625 | 16.625 | +0.25 (+1.53%) | 17,000 |
| 26 Jan 1981 | USD | 16.375 | 16.75 | 16.25 | 16.375 | 16.375 | 0.0 (0.0%) | 20,200 |
| 23 Jan 1981 | USD | 16.375 | 16.5 | 16.125 | 16.375 | 16.375 | 0.0 (0.0%) | 22,800 |
| 22 Jan 1981 | USD | 16.375 | 16.625 | 16.375 | 16.375 | 16.375 | -0.25 (-1.50%) | 58,000 |
| 21 Jan 1981 | USD | 16.625 | 16.625 | 16.5 | 16.625 | 16.625 | +0.125 (+0.76%) | 49,300 |
| 20 Jan 1981 | USD | 16.5 | 16.625 | 16.375 | 16.5 | 16.5 | -0.125 (-0.75%) | 38,200 |
| 19 Jan 1981 | USD | 16.625 | 16.625 | 16.375 | 16.625 | 16.625 | -0.5 (-2.92%) | 29,300 |
| 16 Jan 1981 | USD | 17.125 | 17.875 | 17.125 | 17.125 | 17.125 | -0.25 (-1.44%) | 64,300 |
| 15 Jan 1981 | USD | 17.375 | 17.375 | 17.125 | 17.375 | 17.375 | +0.125 (+0.72%) | 57,500 |
| 14 Jan 1981 | USD | 17.25 | 17.375 | 17.125 | 17.25 | 17.25 | -0.125 (-0.72%) | 28,700 |
| 13 Jan 1981 | USD | 17.375 | 17.375 | 17.25 | 17.375 | 17.375 | 0.0 (0.0%) | 13,800 |
| 12 Jan 1981 | USD | 17.375 | 17.5 | 17.125 | 17.375 | 17.375 | +0.125 (+0.72%) | 41,200 |
| 9 Jan 1981 | USD | 17.25 | 17.375 | 17.125 | 17.25 | 17.25 | -0.125 (-0.72%) | 26,400 |
| 8 Jan 1981 | USD | 17.375 | 17.5 | 17.25 | 17.375 | 17.375 | -0.125 (-0.71%) | 23,200 |
| 7 Jan 1981 | USD | 17.5 | 17.5 | 17.125 | 17.5 | 17.5 | -0.125 (-0.71%) | 44,200 |
| 6 Jan 1981 | USD | 17.625 | 17.625 | 17.375 | 17.625 | 17.625 | +0.375 (+2.17%) | 55,800 |
| 5 Jan 1981 | USD | 17.25 | 17.25 | 16.75 | 17.25 | 17.25 | +0.625 (+3.76%) | 46,500 |
| 2 Jan 1981 | USD | 16.625 | 16.625 | 16.375 | 16.625 | 16.625 | 0.0 (0.0%) | 43,300 |
| 31 Dec 1980 | USD | 16.625 | 16.625 | 16.125 | 16.625 | 16.625 | +0.25 (+1.53%) | 57,700 |
| 30 Dec 1980 | USD | 16.375 | 16.75 | 16 | 16.375 | 16.375 | -0.25 (-1.50%) | 316,100 |
| 29 Dec 1980 | USD | 16.625 | 16.875 | 16.625 | 16.625 | 16.625 | -0.125 (-0.75%) | 57,900 |
| 26 Dec 1980 | USD | 16.75 | 17 | 16.75 | 16.75 | 16.75 | -0.25 (-1.47%) | 26,300 |
| 24 Dec 1980 | USD | 17 | 17.125 | 16.875 | 17 | 17 | 0.0 (0.0%) | 22,800 |
| 23 Dec 1980 | USD | 17 | 17.25 | 17 | 17 | 17 | +0.125 (+0.74%) | 221,300 |
| 22 Dec 1980 | USD | 16.875 | 17 | 16.625 | 16.875 | 16.875 | +0.25 (+1.50%) | 43,800 |
| 19 Dec 1980 | USD | 16.625 | 17.25 | 16.625 | 16.625 | 16.625 | -0.375 (-2.21%) | 275,200 |
| 18 Dec 1980 | USD | 17 | 17.125 | 15.625 | 17 | 17 | +1 (+6.25%) | 66,900 |
| 17 Dec 1980 | USD | 16 | 16 | 15.375 | 16 | 16 | +0.375 (+2.40%) | 64,500 |
| 16 Dec 1980 | USD | 15.625 | 15.75 | 15.5 | 15.625 | 15.625 | +0.125 (+0.81%) | 52,000 |
