| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 Mar 1981 | USD | 37.5 | 37.75 | 36.875 | 37.5 | 150 | +0.25 (+0.67%) | 19,200 |
| 11 Mar 1981 | USD | 37.25 | 37.625 | 36.875 | 37.25 | 149 | -0.125 (-0.33%) | 55,100 |
| 10 Mar 1981 | USD | 37.375 | 37.75 | 37.25 | 37.375 | 149.5 | +0.375 (+1.01%) | 21,100 |
| 9 Mar 1981 | USD | 37 | 37.75 | 37 | 37 | 148 | -0.5 (-1.33%) | 7,500 |
| 6 Mar 1981 | USD | 37.5 | 37.875 | 37.25 | 37.5 | 150 | -0.25 (-0.66%) | 46,900 |
| 5 Mar 1981 | USD | 37.75 | 38.25 | 37.75 | 37.75 | 151 | +0.125 (+0.33%) | 15,800 |
| 4 Mar 1981 | USD | 37.625 | 38.125 | 37.625 | 37.625 | 150.5 | -0.5 (-1.31%) | 15,100 |
| 3 Mar 1981 | USD | 38.125 | 38.5 | 37.625 | 38.125 | 152.5 | 0.0 (0.0%) | 27,900 |
| 2 Mar 1981 | USD | 38.125 | 38.625 | 38.125 | 38.125 | 152.5 | -0.5 (-1.29%) | 13,400 |
| 27 Feb 1981 | USD | 38.625 | 38.625 | 38 | 38.625 | 154.5 | +0.5 (+1.31%) | 14,200 |
| 26 Feb 1981 | USD | 38.125 | 38.375 | 37.75 | 38.125 | 152.5 | +0.125 (+0.33%) | 22,700 |
| 25 Feb 1981 | USD | 38 | 38 | 37.5 | 38 | 152 | +0.25 (+0.66%) | 10,300 |
| 24 Feb 1981 | USD | 37.75 | 38.375 | 37.625 | 37.75 | 151 | -0.25 (-0.66%) | 28,400 |
| 23 Feb 1981 | USD | 38 | 38.375 | 37.75 | 38 | 152 | -0.25 (-0.65%) | 53,200 |
| 20 Feb 1981 | USD | 38.25 | 38.5 | 38 | 38.25 | 153 | +0.25 (+0.66%) | 23,900 |
| 19 Feb 1981 | USD | 38 | 38.75 | 38 | 38 | 152 | -0.5 (-1.30%) | 21,400 |
| 18 Feb 1981 | USD | 38.5 | 39.125 | 38.375 | 38.5 | 154 | -0.375 (-0.96%) | 31,000 |
| 17 Feb 1981 | USD | 38.875 | 39.25 | 38.625 | 38.875 | 155.5 | -0.125 (-0.32%) | 96,900 |
| 16 Feb 1981 | USD | 39 | 39 | 39 | 39 | 156 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 39 | 40.25 | 38.875 | 39 | 156 | -0.25 (-0.64%) | 19,900 |
| 12 Feb 1981 | USD | 39.25 | 39.5 | 38.75 | 39.25 | 157 | +0.5 (+1.29%) | 22,200 |
| 11 Feb 1981 | USD | 38.75 | 39 | 38.5 | 38.75 | 155 | +0.125 (+0.32%) | 25,700 |
| 10 Feb 1981 | USD | 38.625 | 38.75 | 38.25 | 38.625 | 154.5 | -0.125 (-0.32%) | 17,600 |
| 9 Feb 1981 | USD | 38.75 | 39.25 | 38.5 | 38.75 | 155 | +0.125 (+0.32%) | 29,400 |
| 6 Feb 1981 | USD | 38.625 | 39.375 | 38.25 | 38.625 | 154.5 | +0.25 (+0.65%) | 57,600 |
| 5 Feb 1981 | USD | 38.375 | 38.375 | 37 | 38.375 | 153.5 | +1.625 (+4.42%) | 87,300 |
| 4 Feb 1981 | USD | 36.75 | 37.25 | 36.75 | 36.75 | 147 | -0.375 (-1.01%) | 25,400 |
| 3 Feb 1981 | USD | 37.125 | 37.25 | 36.875 | 37.125 | 148.5 | -0.125 (-0.34%) | 17,500 |
| 2 Feb 1981 | USD | 37.25 | 37.875 | 37 | 37.25 | 149 | -0.5 (-1.32%) | 57,400 |
| 30 Jan 1981 | USD | 37.75 | 38.25 | 37.75 | 37.75 | 151 | -0.125 (-0.33%) | 29,300 |
