| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 16 Mar 1981 | USD | 17 | 17.125 | 16.5 | 17 | 17 | -0.25 (-1.45%) | 126,000 |
| 13 Mar 1981 | USD | 17.25 | 17.5 | 16.75 | 17.25 | 17.25 | -0.25 (-1.43%) | 34,700 |
| 12 Mar 1981 | USD | 17.5 | 17.5 | 16.75 | 17.5 | 17.5 | 0.0 (0.0%) | 52,900 |
| 11 Mar 1981 | USD | 17.5 | 17.875 | 17.125 | 17.5 | 17.5 | -0.375 (-2.10%) | 41,400 |
| 10 Mar 1981 | USD | 17.875 | 17.875 | 17.5 | 17.875 | 17.875 | 0.0 (0.0%) | 75,100 |
| 9 Mar 1981 | USD | 17.875 | 17.875 | 17.5 | 17.875 | 17.875 | +0.375 (+2.14%) | 84,700 |
| 6 Mar 1981 | USD | 17.5 | 18 | 17.5 | 17.5 | 17.5 | -0.5 (-2.78%) | 19,500 |
| 5 Mar 1981 | USD | 18 | 18.375 | 17.875 | 18 | 18 | 0.0 (0.0%) | 35,300 |
| 4 Mar 1981 | USD | 18 | 18.5 | 18 | 18 | 18 | -0.5 (-2.70%) | 42,900 |
| 3 Mar 1981 | USD | 18.5 | 18.75 | 18.125 | 18.5 | 18.5 | -0.25 (-1.33%) | 48,000 |
| 2 Mar 1981 | USD | 18.75 | 18.875 | 17.875 | 18.75 | 18.75 | +0.25 (+1.35%) | 99,900 |
| 27 Feb 1981 | USD | 18.5 | 19 | 18.25 | 18.5 | 18.5 | +0.125 (+0.68%) | 62,600 |
| 26 Feb 1981 | USD | 18.375 | 18.625 | 17.625 | 18.375 | 18.375 | +1.25 (+7.30%) | 119,500 |
| 25 Feb 1981 | USD | 17.125 | 17.625 | 17.125 | 17.125 | 17.125 | -0.125 (-0.72%) | 149,700 |
| 24 Feb 1981 | USD | 17.25 | 17.75 | 17 | 17.25 | 17.25 | +0.25 (+1.47%) | 448,800 |
| 23 Feb 1981 | USD | 17 | 17.25 | 16.75 | 17 | 17 | -0.5 (-2.86%) | 49,800 |
| 20 Feb 1981 | USD | 17.5 | 18 | 17 | 17.5 | 17.5 | -0.375 (-2.10%) | 89,500 |
| 19 Feb 1981 | USD | 17.875 | 18.375 | 17.625 | 17.875 | 17.875 | -0.375 (-2.05%) | 48,600 |
| 18 Feb 1981 | USD | 18.25 | 18.5 | 18 | 18.25 | 18.25 | -0.125 (-0.68%) | 44,800 |
| 17 Feb 1981 | USD | 18.375 | 18.75 | 18.125 | 18.375 | 18.375 | -0.25 (-1.34%) | 38,800 |
| 16 Feb 1981 | USD | 18.625 | 18.625 | 18.625 | 18.625 | 18.625 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 18.625 | 19 | 17.875 | 18.625 | 18.625 | +0.625 (+3.47%) | 162,200 |
| 12 Feb 1981 | USD | 18 | 18.25 | 17.625 | 18 | 18 | +0.25 (+1.41%) | 99,500 |
| 11 Feb 1981 | USD | 17.75 | 18.25 | 17.75 | 17.75 | 17.75 | -0.375 (-2.07%) | 157,100 |
| 10 Feb 1981 | USD | 18.125 | 18.25 | 17.625 | 18.125 | 18.125 | +0.375 (+2.11%) | 109,500 |
| 9 Feb 1981 | USD | 17.75 | 18.875 | 17.75 | 17.75 | 17.75 | -1 (-5.33%) | 71,600 |
| 6 Feb 1981 | USD | 18.75 | 19 | 18.5 | 18.75 | 18.75 | +0.5 (+2.74%) | 32,800 |
| 5 Feb 1981 | USD | 18.25 | 18.5 | 18 | 18.25 | 18.25 | +0.25 (+1.39%) | 35,600 |
| 4 Feb 1981 | USD | 18 | 18.5 | 17.75 | 18 | 18 | 0.0 (0.0%) | 49,000 |
| 3 Feb 1981 | USD | 18 | 18.375 | 17.625 | 18 | 18 | 0.0 (0.0%) | 63,100 |
