| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 27 Apr 1981 | USD | 15.75 | 16.375 | 15.625 | 15.75 | 15.75 | +0.25 (+1.61%) | 44,600 |
| 24 Apr 1981 | USD | 15.5 | 15.5 | 14.625 | 15.5 | 15.5 | +0.5 (+3.33%) | 101,700 |
| 23 Apr 1981 | USD | 15 | 15.875 | 14.75 | 15 | 15 | -0.75 (-4.76%) | 93,500 |
| 22 Apr 1981 | USD | 15.75 | 16 | 15.625 | 15.75 | 15.75 | -0.25 (-1.56%) | 60,000 |
| 21 Apr 1981 | USD | 16 | 16.875 | 15.75 | 16 | 16 | -0.875 (-5.19%) | 81,400 |
| 20 Apr 1981 | USD | 16.875 | 17 | 16.75 | 16.875 | 16.875 | -0.375 (-2.17%) | 73,700 |
| 17 Apr 1981 | USD | 17.25 | 17.25 | 17.25 | 17.25 | 17.25 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 17.25 | 17.375 | 17 | 17.25 | 17.25 | 0.0 (0.0%) | 48,900 |
| 15 Apr 1981 | USD | 17.25 | 17.25 | 16.625 | 17.25 | 17.25 | +0.25 (+1.47%) | 50,100 |
| 14 Apr 1981 | USD | 17 | 17 | 16.375 | 17 | 17 | +0.25 (+1.49%) | 73,600 |
| 13 Apr 1981 | USD | 16.75 | 17.125 | 16.375 | 16.75 | 16.75 | -0.25 (-1.47%) | 131,200 |
| 10 Apr 1981 | USD | 17 | 17.5 | 16.875 | 17 | 17 | -0.125 (-0.73%) | 83,800 |
| 9 Apr 1981 | USD | 17.125 | 17.375 | 16.75 | 17.125 | 17.125 | +0.5 (+3.01%) | 106,500 |
| 8 Apr 1981 | USD | 16.625 | 16.75 | 16.5 | 16.625 | 16.625 | +0.125 (+0.76%) | 105,600 |
| 7 Apr 1981 | USD | 16.5 | 17 | 16.125 | 16.5 | 16.5 | -0.25 (-1.49%) | 72,200 |
| 6 Apr 1981 | USD | 16.75 | 17.125 | 16.75 | 16.75 | 16.75 | -0.625 (-3.60%) | 46,600 |
| 3 Apr 1981 | USD | 17.375 | 17.625 | 17 | 17.375 | 17.375 | +0.25 (+1.46%) | 135,000 |
| 2 Apr 1981 | USD | 17.125 | 17.75 | 17 | 17.125 | 17.125 | -0.125 (-0.72%) | 64,400 |
| 1 Apr 1981 | USD | 17.25 | 17.5 | 16.5 | 17.25 | 17.25 | +0.25 (+1.47%) | 108,900 |
| 31 Mar 1981 | USD | 17 | 17 | 16.75 | 17 | 17 | 0.0 (0.0%) | 104,200 |
| 30 Mar 1981 | USD | 17 | 17 | 16.5 | 17 | 17 | +0.625 (+3.82%) | 47,700 |
| 27 Mar 1981 | USD | 16.375 | 16.625 | 16.25 | 16.375 | 16.375 | -0.25 (-1.50%) | 57,700 |
| 26 Mar 1981 | USD | 16.625 | 16.75 | 16.375 | 16.625 | 16.625 | -0.125 (-0.75%) | 83,200 |
| 25 Mar 1981 | USD | 16.75 | 16.875 | 16.5 | 16.75 | 16.75 | 0.0 (0.0%) | 74,600 |
| 24 Mar 1981 | USD | 16.75 | 17.25 | 16.75 | 16.75 | 16.75 | 0.0 (0.0%) | 87,900 |
| 23 Mar 1981 | USD | 16.75 | 16.875 | 16.5 | 16.75 | 16.75 | 0.0 (0.0%) | 108,800 |
| 20 Mar 1981 | USD | 16.75 | 16.75 | 16.25 | 16.75 | 16.75 | +0.375 (+2.29%) | 69,300 |
| 19 Mar 1981 | USD | 16.375 | 16.875 | 16.25 | 16.375 | 16.375 | -0.375 (-2.24%) | 59,500 |
| 18 Mar 1981 | USD | 16.75 | 17.125 | 16.625 | 16.75 | 16.75 | -0.375 (-2.19%) | 76,900 |
| 17 Mar 1981 | USD | 17.125 | 17.125 | 16.875 | 17.125 | 17.125 | +0.125 (+0.74%) | 55,500 |
