| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 11 Mar 1981 | USD | 22.25 | 22.5 | 22.25 | 22.25 | 22.25 | -0.25 (-1.11%) | 3,100 |
| 10 Mar 1981 | USD | 22.5 | 22.625 | 22.125 | 22.5 | 22.5 | 0.0 (0.0%) | 1,900 |
| 9 Mar 1981 | USD | 22.5 | 22.75 | 22.375 | 22.5 | 22.5 | 0.0 (0.0%) | 3,000 |
| 6 Mar 1981 | USD | 22.5 | 22.75 | 22.25 | 22.5 | 22.5 | +0.375 (+1.69%) | 2,700 |
| 5 Mar 1981 | USD | 22.125 | 22.5 | 21.75 | 22.125 | 22.125 | +0.125 (+0.57%) | 4,900 |
| 4 Mar 1981 | USD | 22 | 22.25 | 21.75 | 22 | 22 | +0.25 (+1.15%) | 3,200 |
| 3 Mar 1981 | USD | 21.75 | 22 | 21.25 | 21.75 | 21.75 | 0.0 (0.0%) | 3,400 |
| 2 Mar 1981 | USD | 21.75 | 22 | 21.5 | 21.75 | 21.75 | +0.25 (+1.16%) | 3,500 |
| 27 Feb 1981 | USD | 21.5 | 22 | 21.375 | 21.5 | 21.5 | +0.5 (+2.38%) | 13,300 |
| 26 Feb 1981 | USD | 21 | 21.5 | 21 | 21 | 21 | -0.25 (-1.18%) | 2,200 |
| 25 Feb 1981 | USD | 21.25 | 21.375 | 20.875 | 21.25 | 21.25 | +0.125 (+0.59%) | 3,500 |
| 24 Feb 1981 | USD | 21.125 | 21.125 | 20.5 | 21.125 | 21.125 | +0.25 (+1.20%) | 6,100 |
| 23 Feb 1981 | USD | 20.875 | 21.25 | 20.25 | 20.875 | 20.875 | -1.125 (-5.11%) | 7,400 |
| 20 Feb 1981 | USD | 22 | 22 | 21.75 | 22 | 22 | +0.125 (+0.57%) | 1,400 |
| 19 Feb 1981 | USD | 21.875 | 21.875 | 21.625 | 21.875 | 21.875 | +0.5 (+2.34%) | 2,300 |
| 18 Feb 1981 | USD | 21.375 | 21.875 | 21.125 | 21.375 | 21.375 | +0.25 (+1.18%) | 3,600 |
| 17 Feb 1981 | USD | 21.125 | 21.375 | 21.125 | 21.125 | 21.125 | -0.125 (-0.59%) | 3,100 |
| 16 Feb 1981 | USD | 21.25 | 21.25 | 21.25 | 21.25 | 21.25 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 21.25 | 21.375 | 21.25 | 21.25 | 21.25 | 0.0 (0.0%) | 1,700 |
| 12 Feb 1981 | USD | 21.25 | 21.5 | 21.25 | 21.25 | 21.25 | -0.25 (-1.16%) | 3,000 |
| 11 Feb 1981 | USD | 21.5 | 21.625 | 21.375 | 21.5 | 21.5 | 0.0 (0.0%) | 4,600 |
| 10 Feb 1981 | USD | 21.5 | 21.75 | 21.5 | 21.5 | 21.5 | -0.25 (-1.15%) | 2,900 |
| 9 Feb 1981 | USD | 21.75 | 22 | 21.75 | 21.75 | 21.75 | -0.25 (-1.14%) | 2,800 |
| 6 Feb 1981 | USD | 22 | 22 | 21.75 | 22 | 22 | +0.25 (+1.15%) | 500 |
| 5 Feb 1981 | USD | 21.75 | 22 | 21.625 | 21.75 | 21.75 | +0.125 (+0.58%) | 1,500 |
| 4 Feb 1981 | USD | 21.625 | 21.625 | 21.625 | 21.625 | 21.625 | -0.125 (-0.57%) | 2,200 |
| 3 Feb 1981 | USD | 21.75 | 22 | 21.75 | 21.75 | 21.75 | -0.25 (-1.14%) | 2,800 |
| 2 Feb 1981 | USD | 22 | 22.25 | 22 | 22 | 22 | -0.5 (-2.22%) | 3,100 |
| 30 Jan 1981 | USD | 22.5 | 22.5 | 22 | 22.5 | 22.5 | +0.5 (+2.27%) | 1,800 |
| 29 Jan 1981 | USD | 22 | 22 | 21.875 | 22 | 22 | +0.125 (+0.57%) | 3,200 |
