| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 11 Mar 1981 | USD | 13.5 | 13.5 | 13.125 | 13.5 | 0.6499 | +0.375 (+2.86%) | 5,200 |
| 10 Mar 1981 | USD | 13.125 | 13.25 | 12.25 | 13.125 | 0.6318 | +0.625 (+5%) | 11,500 |
| 9 Mar 1981 | USD | 12.5 | 12.75 | 12 | 12.5 | 0.6017 | -0.25 (-1.96%) | 15,100 |
| 6 Mar 1981 | USD | 12.75 | 13.25 | 12.75 | 12.75 | 0.6138 | -0.5 (-3.77%) | 20,500 |
| 5 Mar 1981 | USD | 13.25 | 13.625 | 13.25 | 13.25 | 0.6379 | -0.25 (-1.85%) | 7,300 |
| 4 Mar 1981 | USD | 13.5 | 13.875 | 13.5 | 13.5 | 0.6499 | -0.375 (-2.70%) | 3,300 |
| 3 Mar 1981 | USD | 13.875 | 14.125 | 13.625 | 13.875 | 0.6679 | +0.125 (+0.91%) | 7,700 |
| 2 Mar 1981 | USD | 13.75 | 14 | 13.75 | 13.75 | 0.6619 | -0.25 (-1.79%) | 15,700 |
| 27 Feb 1981 | USD | 14 | 14.125 | 13.875 | 14 | 0.674 | +0.375 (+2.75%) | 5,500 |
| 26 Feb 1981 | USD | 13.625 | 13.75 | 13.625 | 13.625 | 0.6559 | 0.0 (0.0%) | 11,300 |
| 25 Feb 1981 | USD | 13.625 | 13.875 | 13.625 | 13.625 | 0.6559 | -0.125 (-0.91%) | 2,500 |
| 24 Feb 1981 | USD | 13.75 | 14.25 | 13.625 | 13.75 | 0.6619 | -0.25 (-1.79%) | 16,600 |
| 23 Feb 1981 | USD | 14 | 14.375 | 14 | 14 | 0.674 | -0.25 (-1.75%) | 5,400 |
| 20 Feb 1981 | USD | 14.25 | 14.25 | 14 | 14.25 | 0.686 | 0.0 (0.0%) | 11,700 |
| 19 Feb 1981 | USD | 14.25 | 14.375 | 14 | 14.25 | 0.686 | -0.25 (-1.72%) | 22,600 |
| 18 Feb 1981 | USD | 14.5 | 14.5 | 14.125 | 14.5 | 0.698 | +0.125 (+0.87%) | 3,300 |
| 17 Feb 1981 | USD | 14.375 | 14.375 | 13.75 | 14.375 | 0.692 | -0.125 (-0.86%) | 3,500 |
| 16 Feb 1981 | USD | 14.5 | 14.5 | 14.5 | 14.5 | 0.698 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 14.5 | 14.5 | 14 | 14.5 | 0.698 | 0.0 (0.0%) | 15,000 |
| 12 Feb 1981 | USD | 14.5 | 14.625 | 14.375 | 14.5 | 0.698 | -0.125 (-0.85%) | 7,400 |
| 11 Feb 1981 | USD | 14.625 | 14.625 | 14.375 | 14.625 | 0.704 | -0.125 (-0.85%) | 6,700 |
| 10 Feb 1981 | USD | 14.75 | 14.75 | 14.5 | 14.75 | 0.7101 | +0.125 (+0.85%) | 12,900 |
| 9 Feb 1981 | USD | 14.625 | 14.75 | 14.625 | 14.625 | 0.704 | 0.0 (0.0%) | 20,900 |
| 6 Feb 1981 | USD | 14.625 | 14.875 | 14.625 | 14.625 | 0.704 | -0.375 (-2.50%) | 12,400 |
| 5 Feb 1981 | USD | 15 | 15.375 | 15 | 15 | 0.7221 | -0.25 (-1.64%) | 18,100 |
| 4 Feb 1981 | USD | 15.25 | 15.5 | 15.25 | 15.25 | 0.7341 | +0.125 (+0.83%) | 6,900 |
| 3 Feb 1981 | USD | 15.125 | 15.125 | 14.375 | 15.125 | 0.7281 | +0.625 (+4.31%) | 17,300 |
| 2 Feb 1981 | USD | 14.5 | 16.125 | 14.25 | 14.5 | 0.698 | -1.75 (-10.77%) | 9,100 |
| 30 Jan 1981 | USD | 16.25 | 16.25 | 14.25 | 16.25 | 0.7823 | +1.625 (+11.11%) | 9,100 |
| 29 Jan 1981 | USD | 14.625 | 14.625 | 14.375 | 14.625 | 0.704 | 0.0 (0.0%) | 4,000 |
