| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 25 | 25 | 25 | 25 | 6.25 | 0.0 (0.0%) | 1,000 |
| 3 Jun 1981 | USD | 25 | 25 | 24.875 | 25 | 6.25 | +0.125 (+0.50%) | 300 |
| 2 Jun 1981 | USD | 24.875 | 25.375 | 24.875 | 24.875 | 6.2188 | -0.25 (-1.00%) | 2,000 |
| 1 Jun 1981 | USD | 25.125 | 25.375 | 24.75 | 25.125 | 6.2812 | +0.25 (+1.01%) | 4,000 |
| 29 May 1981 | USD | 24.875 | 25 | 24.875 | 24.875 | 6.2188 | -0.125 (-0.50%) | 2,400 |
| 28 May 1981 | USD | 25 | 25 | 24.25 | 25 | 6.25 | +0.75 (+3.09%) | 5,300 |
| 27 May 1981 | USD | 24.25 | 24.25 | 23.5 | 24.25 | 6.0625 | +0.5 (+2.11%) | 8,300 |
| 26 May 1981 | USD | 23.75 | 23.75 | 23.625 | 23.75 | 5.9375 | 0.0 (0.0%) | 1,400 |
| 25 May 1981 | USD | 23.75 | 23.75 | 23.75 | 23.75 | 5.9375 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 23.75 | 23.75 | 23.25 | 23.75 | 5.9375 | +0.5 (+2.15%) | 4,000 |
| 21 May 1981 | USD | 23.25 | 23.5 | 23.25 | 23.25 | 5.8125 | +0.25 (+1.09%) | 3,000 |
| 20 May 1981 | USD | 23 | 23.75 | 23 | 23 | 5.75 | -0.75 (-3.16%) | 1,600 |
| 19 May 1981 | USD | 23.75 | 23.75 | 22.75 | 23.75 | 5.9375 | +0.75 (+3.26%) | 4,300 |
| 18 May 1981 | USD | 23 | 23.375 | 22.75 | 23 | 5.75 | -0.125 (-0.54%) | 2,300 |
| 15 May 1981 | USD | 23.125 | 23.125 | 22.375 | 23.125 | 5.7812 | +0.5 (+2.21%) | 3,100 |
| 14 May 1981 | USD | 22.625 | 22.875 | 22 | 22.625 | 5.6562 | +1.25 (+5.85%) | 3,100 |
| 13 May 1981 | USD | 21.375 | 21.375 | 21 | 21.375 | 5.3438 | +0.25 (+1.18%) | 1,000 |
| 12 May 1981 | USD | 21.125 | 21.125 | 21.125 | 21.125 | 5.2812 | 0.0 (0.0%) | 0 |
| 11 May 1981 | USD | 21.125 | 21.125 | 21.125 | 21.125 | 5.2812 | 0.0 (0.0%) | 0 |
| 8 May 1981 | USD | 21.125 | 21.375 | 21.125 | 21.125 | 5.2812 | -0.125 (-0.59%) | 400 |
| 7 May 1981 | USD | 21.25 | 21.25 | 21.25 | 21.25 | 5.3125 | -0.25 (-1.16%) | 100 |
| 6 May 1981 | USD | 21.5 | 21.5 | 21.125 | 21.5 | 5.375 | +0.25 (+1.18%) | 1,300 |
| 5 May 1981 | USD | 21.25 | 21.5 | 21.25 | 21.25 | 5.3125 | -0.5 (-2.30%) | 800 |
| 4 May 1981 | USD | 21.75 | 22.25 | 21.5 | 21.75 | 5.4375 | -0.75 (-3.33%) | 1,600 |
| 1 May 1981 | USD | 22.5 | 23.125 | 22.5 | 22.5 | 5.625 | -0.5 (-2.17%) | 13,500 |
| 30 Apr 1981 | USD | 23 | 23.375 | 23 | 23 | 5.75 | -0.5 (-2.13%) | 700 |
| 29 Apr 1981 | USD | 23.5 | 23.5 | 23.25 | 23.5 | 5.875 | +0.25 (+1.08%) | 1,500 |
| 28 Apr 1981 | USD | 23.25 | 23.75 | 23.25 | 23.25 | 5.8125 | -0.375 (-1.59%) | 1,300 |
| 27 Apr 1981 | USD | 23.625 | 23.625 | 23.625 | 23.625 | 5.9062 | -0.125 (-0.53%) | 800 |
| 24 Apr 1981 | USD | 23.75 | 24.125 | 23.75 | 23.75 | 5.9375 | -0.25 (-1.04%) | 3,500 |
