| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 27 Aug 1981 | USD | 25.5 | 25.875 | 24.75 | 25.5 | 6.375 | -0.5 (-1.92%) | 11,600 |
| 26 Aug 1981 | USD | 26 | 26.375 | 25.25 | 26 | 6.5 | -0.375 (-1.42%) | 5,500 |
| 25 Aug 1981 | USD | 26.375 | 26.375 | 25.5 | 26.375 | 6.5938 | +0.375 (+1.44%) | 12,400 |
| 24 Aug 1981 | USD | 26 | 26.5 | 24.875 | 26 | 6.5 | -0.75 (-2.80%) | 30,000 |
| 21 Aug 1981 | USD | 26.75 | 26.75 | 25.5 | 26.75 | 6.6875 | +0.75 (+2.88%) | 32,500 |
| 20 Aug 1981 | USD | 26 | 26.125 | 24.75 | 26 | 6.5 | +0.875 (+3.48%) | 20,900 |
| 19 Aug 1981 | USD | 25.125 | 25.125 | 22.5 | 25.125 | 6.2812 | +1.875 (+8.06%) | 11,900 |
| 18 Aug 1981 | USD | 23.25 | 23.875 | 22.75 | 23.25 | 5.8125 | -0.5 (-2.11%) | 3,600 |
| 17 Aug 1981 | USD | 23.75 | 23.75 | 23.625 | 23.75 | 5.9375 | 0.0 (0.0%) | 1,300 |
| 14 Aug 1981 | USD | 23.75 | 23.75 | 22.875 | 23.75 | 5.9375 | +0.875 (+3.83%) | 2,900 |
| 13 Aug 1981 | USD | 22.875 | 22.875 | 22.375 | 22.875 | 5.7188 | 0.0 (0.0%) | 2,400 |
| 12 Aug 1981 | USD | 22.875 | 23 | 22.5 | 22.875 | 5.7188 | 0.0 (0.0%) | 2,100 |
| 11 Aug 1981 | USD | 22.875 | 23 | 22.875 | 22.875 | 5.7188 | -0.375 (-1.61%) | 2,300 |
| 10 Aug 1981 | USD | 23.25 | 23.5 | 23 | 23.25 | 5.8125 | 0.0 (0.0%) | 1,800 |
| 7 Aug 1981 | USD | 23.25 | 23.25 | 23 | 23.25 | 5.8125 | 0.0 (0.0%) | 1,400 |
| 6 Aug 1981 | USD | 23.25 | 23.5 | 23.125 | 23.25 | 5.8125 | -0.125 (-0.53%) | 1,600 |
| 5 Aug 1981 | USD | 23.375 | 23.5 | 23.25 | 23.375 | 5.8438 | -0.375 (-1.58%) | 5,100 |
| 4 Aug 1981 | USD | 23.75 | 24.125 | 23.75 | 23.75 | 5.9375 | -0.375 (-1.55%) | 1,500 |
| 3 Aug 1981 | USD | 24.125 | 24.125 | 24.125 | 24.125 | 6.0312 | -0.25 (-1.03%) | 1,100 |
| 31 Jul 1981 | USD | 24.375 | 24.625 | 24.375 | 24.375 | 6.0938 | 0.0 (0.0%) | 800 |
| 30 Jul 1981 | USD | 24.375 | 24.375 | 24.125 | 24.375 | 6.0938 | -0.125 (-0.51%) | 700 |
| 29 Jul 1981 | USD | 24.5 | 24.5 | 24.5 | 24.5 | 6.125 | -0.75 (-2.97%) | 2,000 |
| 28 Jul 1981 | USD | 25.25 | 25.625 | 25 | 25.25 | 6.3125 | -0.625 (-2.42%) | 3,800 |
| 27 Jul 1981 | USD | 25.875 | 25.875 | 24.75 | 25.875 | 6.4688 | +0.875 (+3.50%) | 5,200 |
| 24 Jul 1981 | USD | 25 | 25.25 | 25 | 25 | 6.25 | -0.25 (-0.99%) | 300 |
| 23 Jul 1981 | USD | 25.25 | 25.25 | 23.625 | 25.25 | 6.3125 | +1.75 (+7.45%) | 6,000 |
| 22 Jul 1981 | USD | 23.5 | 23.625 | 22.875 | 23.5 | 5.875 | +0.875 (+3.87%) | 3,500 |
| 21 Jul 1981 | USD | 22.625 | 22.875 | 22.625 | 22.625 | 5.6562 | 0.0 (0.0%) | 300 |
| 20 Jul 1981 | USD | 22.625 | 22.625 | 22.25 | 22.625 | 5.6562 | +0.125 (+0.56%) | 1,500 |
| 17 Jul 1981 | USD | 22.5 | 22.875 | 22.5 | 22.5 | 5.625 | -0.125 (-0.55%) | 2,500 |
