| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 23 Apr 1981 | USD | 24 | 24.125 | 23 | 24 | 6 | +0.75 (+3.23%) | 5,000 |
| 22 Apr 1981 | USD | 23.25 | 23.5 | 23.125 | 23.25 | 5.8125 | -0.5 (-2.11%) | 2,400 |
| 21 Apr 1981 | USD | 23.75 | 23.75 | 23 | 23.75 | 5.9375 | 0.0 (0.0%) | 6,100 |
| 20 Apr 1981 | USD | 23.75 | 23.875 | 23.25 | 23.75 | 5.9375 | +0.25 (+1.06%) | 7,400 |
| 17 Apr 1981 | USD | 23.5 | 23.5 | 23.5 | 23.5 | 5.875 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 23.5 | 23.5 | 22 | 23.5 | 5.875 | +1.5 (+6.82%) | 6,100 |
| 15 Apr 1981 | USD | 22 | 22 | 21.5 | 22 | 5.5 | +0.5 (+2.33%) | 3,000 |
| 14 Apr 1981 | USD | 21.5 | 21.5 | 21.375 | 21.5 | 5.375 | +0.25 (+1.18%) | 1,000 |
| 13 Apr 1981 | USD | 21.25 | 21.75 | 21.25 | 21.25 | 5.3125 | -0.625 (-2.86%) | 1,700 |
| 10 Apr 1981 | USD | 21.875 | 22 | 21.5 | 21.875 | 5.4688 | +0.75 (+3.55%) | 10,800 |
| 9 Apr 1981 | USD | 21.125 | 21.375 | 21 | 21.125 | 5.2812 | -0.125 (-0.59%) | 1,700 |
| 8 Apr 1981 | USD | 21.25 | 21.375 | 21.25 | 21.25 | 5.3125 | -0.125 (-0.58%) | 900 |
| 7 Apr 1981 | USD | 21.375 | 21.625 | 21.375 | 21.375 | 5.3438 | 0.0 (0.0%) | 1,400 |
| 6 Apr 1981 | USD | 21.375 | 21.75 | 21.375 | 21.375 | 5.3438 | -0.625 (-2.84%) | 3,400 |
| 3 Apr 1981 | USD | 22 | 22.25 | 21.125 | 22 | 5.5 | +0.875 (+4.14%) | 12,900 |
| 2 Apr 1981 | USD | 21.125 | 21.5 | 21.125 | 21.125 | 5.2812 | -0.5 (-2.31%) | 2,200 |
| 1 Apr 1981 | USD | 21.625 | 21.75 | 21.25 | 21.625 | 5.4062 | +0.125 (+0.58%) | 3,300 |
| 31 Mar 1981 | USD | 21.5 | 21.5 | 20.5 | 21.5 | 5.375 | +1.25 (+6.17%) | 6,400 |
| 30 Mar 1981 | USD | 20.25 | 20.5 | 20.125 | 20.25 | 5.0625 | -0.125 (-0.61%) | 2,800 |
| 27 Mar 1981 | USD | 20.375 | 20.5 | 20.25 | 20.375 | 5.0938 | +0.125 (+0.62%) | 1,300 |
| 26 Mar 1981 | USD | 20.25 | 20.625 | 20.125 | 20.25 | 5.0625 | -0.375 (-1.82%) | 3,000 |
| 25 Mar 1981 | USD | 20.625 | 20.75 | 20.25 | 20.625 | 5.1562 | +0.125 (+0.61%) | 1,500 |
| 24 Mar 1981 | USD | 20.5 | 21.25 | 20.5 | 20.5 | 5.125 | -1 (-4.65%) | 11,000 |
| 23 Mar 1981 | USD | 21.5 | 22 | 21.5 | 21.5 | 5.375 | -0.25 (-1.15%) | 1,500 |
| 20 Mar 1981 | USD | 21.75 | 21.875 | 21.25 | 21.75 | 5.4375 | +0.25 (+1.16%) | 3,500 |
| 19 Mar 1981 | USD | 21.5 | 21.75 | 21 | 21.5 | 5.375 | +0.75 (+3.61%) | 3,300 |
| 18 Mar 1981 | USD | 20.75 | 20.75 | 20.5 | 20.75 | 5.1875 | +0.5 (+2.47%) | 1,200 |
| 17 Mar 1981 | USD | 20.25 | 20.625 | 19.75 | 20.25 | 5.0625 | +0.75 (+3.85%) | 6,700 |
| 16 Mar 1981 | USD | 19.5 | 19.75 | 19.5 | 19.5 | 4.875 | -0.25 (-1.27%) | 4,600 |
| 13 Mar 1981 | USD | 19.75 | 20 | 19.375 | 19.75 | 4.9375 | -0.25 (-1.25%) | 5,400 |
