| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 Mar 1981 | USD | 21.376 | 21.5 | 21.376 | 21.376 | 1.336 | +1.876 (+9.62%) | 147,600 |
| 11 Mar 1981 | USD | 19.5 | 19.626 | 19.5 | 19.5 | 1.2188 | +0.124 (+0.64%) | 88,400 |
| 10 Mar 1981 | USD | 19.376 | 19.626 | 19.376 | 19.376 | 1.211 | +0.126 (+0.65%) | 58,300 |
| 9 Mar 1981 | USD | 19.25 | 19.376 | 19.25 | 19.25 | 1.2031 | +0.25 (+1.32%) | 50,800 |
| 6 Mar 1981 | USD | 19 | 19.126 | 19 | 19 | 1.1875 | +0.25 (+1.33%) | 65,100 |
| 5 Mar 1981 | USD | 18.75 | 18.876 | 18.75 | 18.75 | 1.1719 | +0.25 (+1.35%) | 35,500 |
| 4 Mar 1981 | USD | 18.5 | 18.626 | 18.5 | 18.5 | 1.1562 | +0.124 (+0.67%) | 21,400 |
| 3 Mar 1981 | USD | 18.376 | 18.5 | 18.376 | 18.376 | 1.1485 | +0.126 (+0.69%) | 23,500 |
| 2 Mar 1981 | USD | 18.25 | 18.5 | 18.25 | 18.25 | 1.1406 | +0.124 (+0.68%) | 88,000 |
| 27 Feb 1981 | USD | 18.126 | 18.25 | 18.126 | 18.126 | 1.1329 | 0.0 (0.0%) | 59,000 |
| 26 Feb 1981 | USD | 18.126 | 18.25 | 18.126 | 18.126 | 1.1329 | 0.0 (0.0%) | 22,000 |
| 25 Feb 1981 | USD | 18.126 | 18.25 | 18.126 | 18.126 | 1.1329 | -0.124 (-0.68%) | 31,100 |
| 24 Feb 1981 | USD | 18.25 | 18.376 | 18.25 | 18.25 | 1.1406 | -0.25 (-1.35%) | 43,800 |
| 23 Feb 1981 | USD | 18.5 | 18.626 | 18.5 | 18.5 | 1.1562 | 0.0 (0.0%) | 28,300 |
| 20 Feb 1981 | USD | 18.5 | 18.626 | 18.5 | 18.5 | 1.1562 | 0.0 (0.0%) | 23,100 |
| 19 Feb 1981 | USD | 18.5 | 18.626 | 18.5 | 18.5 | 1.1562 | 0.0 (0.0%) | 29,100 |
| 18 Feb 1981 | USD | 18.5 | 18.75 | 18.5 | 18.5 | 1.1562 | -0.126 (-0.68%) | 18,800 |
| 17 Feb 1981 | USD | 18.626 | 18.876 | 18.626 | 18.626 | 1.1641 | 0.0 (0.0%) | 94,700 |
| 16 Feb 1981 | USD | 18.626 | 18.626 | 18.626 | 18.626 | 1.1641 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 18.626 | 18.876 | 18.626 | 18.626 | 1.1641 | 0.0 (0.0%) | 10,600 |
| 12 Feb 1981 | USD | 18.626 | 18.75 | 18.626 | 18.626 | 1.1641 | +0.126 (+0.68%) | 19,500 |
| 11 Feb 1981 | USD | 18.5 | 18.626 | 18.5 | 18.5 | 1.1562 | +0.124 (+0.67%) | 24,200 |
| 10 Feb 1981 | USD | 18.376 | 18.5 | 18.376 | 18.376 | 1.1485 | 0.0 (0.0%) | 29,700 |
| 9 Feb 1981 | USD | 18.376 | 18.5 | 18.376 | 18.376 | 1.1485 | -0.5 (-2.65%) | 65,700 |
| 6 Feb 1981 | USD | 18.876 | 19 | 18.876 | 18.876 | 1.1798 | 0.0 (0.0%) | 96,200 |
| 5 Feb 1981 | USD | 18.876 | 19 | 18.876 | 18.876 | 1.1798 | 0.0 (0.0%) | 38,700 |
| 4 Feb 1981 | USD | 18.876 | 19.126 | 18.876 | 18.876 | 1.1798 | 0.0 (0.0%) | 34,100 |
| 3 Feb 1981 | USD | 18.876 | 19 | 18.876 | 18.876 | 1.1798 | +0.126 (+0.67%) | 9,300 |
| 2 Feb 1981 | USD | 18.75 | 19 | 18.75 | 18.75 | 1.1719 | -0.5 (-2.60%) | 26,800 |
| 30 Jan 1981 | USD | 19.25 | 19.5 | 19.25 | 19.25 | 1.2031 | -0.126 (-0.65%) | 13,700 |
