| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 1 Sep 1981 | USD | 22 | 22 | 21.625 | 22 | 5.5 | +0.125 (+0.57%) | 2,100 |
| 31 Aug 1981 | USD | 21.875 | 22.5 | 21.875 | 21.875 | 5.4688 | -0.625 (-2.78%) | 1,100 |
| 28 Aug 1981 | USD | 22.5 | 22.625 | 22.5 | 22.5 | 5.625 | 0.0 (0.0%) | 400 |
| 27 Aug 1981 | USD | 22.5 | 23 | 22.5 | 22.5 | 5.625 | -0.5 (-2.17%) | 1,200 |
| 26 Aug 1981 | USD | 23 | 23.5 | 23 | 23 | 5.75 | -0.5 (-2.13%) | 3,200 |
| 25 Aug 1981 | USD | 23.5 | 23.5 | 23.5 | 23.5 | 5.875 | 0.0 (0.0%) | 700 |
| 24 Aug 1981 | USD | 23.5 | 24 | 23.5 | 23.5 | 5.875 | -0.5 (-2.08%) | 1,900 |
| 21 Aug 1981 | USD | 24 | 24 | 23.625 | 24 | 6 | +0.25 (+1.05%) | 700 |
| 20 Aug 1981 | USD | 23.75 | 24.125 | 23.75 | 23.75 | 5.9375 | -0.25 (-1.04%) | 600 |
| 19 Aug 1981 | USD | 24 | 24 | 24 | 24 | 6 | 0.0 (0.0%) | 1,400 |
| 18 Aug 1981 | USD | 24 | 24 | 24 | 24 | 6 | 0.0 (0.0%) | 2,100 |
| 17 Aug 1981 | USD | 24 | 24 | 23.75 | 24 | 6 | +0.125 (+0.52%) | 500 |
| 14 Aug 1981 | USD | 23.875 | 24 | 23.875 | 23.875 | 5.9688 | -0.125 (-0.52%) | 900 |
| 13 Aug 1981 | USD | 24 | 24 | 24 | 24 | 6 | +0.375 (+1.59%) | 2,000 |
| 12 Aug 1981 | USD | 23.625 | 23.75 | 23.625 | 23.625 | 5.9062 | -0.25 (-1.05%) | 600 |
| 11 Aug 1981 | USD | 23.875 | 24 | 23.875 | 23.875 | 5.9688 | -0.25 (-1.04%) | 1,200 |
| 10 Aug 1981 | USD | 24.125 | 24.375 | 24.125 | 24.125 | 6.0312 | -0.5 (-2.03%) | 600 |
| 7 Aug 1981 | USD | 24.625 | 24.625 | 24.375 | 24.625 | 6.1562 | +0.125 (+0.51%) | 1,200 |
| 6 Aug 1981 | USD | 24.5 | 24.5 | 24.25 | 24.5 | 6.125 | +0.375 (+1.55%) | 900 |
| 5 Aug 1981 | USD | 24.125 | 24.125 | 23.625 | 24.125 | 6.0312 | +0.375 (+1.58%) | 800 |
| 4 Aug 1981 | USD | 23.75 | 23.875 | 23.375 | 23.75 | 5.9375 | -0.25 (-1.04%) | 7,300 |
| 3 Aug 1981 | USD | 24 | 24 | 23.875 | 24 | 6 | 0.0 (0.0%) | 500 |
| 31 Jul 1981 | USD | 24 | 24.625 | 24 | 24 | 6 | -1 (-4%) | 4,300 |
| 30 Jul 1981 | USD | 25 | 25.25 | 25 | 25 | 6.25 | +0.25 (+1.01%) | 3,800 |
| 29 Jul 1981 | USD | 24.75 | 24.75 | 24.5 | 24.75 | 6.1875 | -0.125 (-0.50%) | 2,200 |
| 28 Jul 1981 | USD | 24.875 | 24.875 | 24.125 | 24.875 | 6.2188 | +0.75 (+3.11%) | 2,600 |
| 27 Jul 1981 | USD | 24.125 | 24.25 | 23.625 | 24.125 | 6.0312 | +0.75 (+3.21%) | 5,800 |
| 24 Jul 1981 | USD | 23.375 | 23.875 | 23.375 | 23.375 | 5.8438 | +0.125 (+0.54%) | 2,500 |
| 23 Jul 1981 | USD | 23.25 | 23.75 | 23.25 | 23.25 | 5.8125 | -0.5 (-2.11%) | 900 |
| 22 Jul 1981 | USD | 23.75 | 23.75 | 23 | 23.75 | 5.9375 | +0.75 (+3.26%) | 5,200 |
