| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 10 Jun 1981 | USD | 32.125 | 32.25 | 30.75 | 32.125 | 6.9354 | +0.375 (+1.18%) | 32,300 |
| 9 Jun 1981 | USD | 31.75 | 31.75 | 30.125 | 31.75 | 6.8545 | +0.5 (+1.60%) | 39,000 |
| 8 Jun 1981 | USD | 31.25 | 31.875 | 31 | 31.25 | 6.7465 | -0.25 (-0.79%) | 20,100 |
| 5 Jun 1981 | USD | 31.5 | 31.5 | 30.5 | 31.5 | 6.8005 | +1.125 (+3.70%) | 32,800 |
| 4 Jun 1981 | USD | 30.375 | 30.75 | 30 | 30.375 | 6.5576 | +1 (+3.40%) | 32,400 |
| 3 Jun 1981 | USD | 29.375 | 29.5 | 28.375 | 29.375 | 6.3418 | -0.375 (-1.26%) | 41,400 |
| 2 Jun 1981 | USD | 29.75 | 30 | 29.625 | 29.75 | 6.4227 | +0.125 (+0.42%) | 100,900 |
| 1 Jun 1981 | USD | 29.625 | 30.25 | 29.125 | 29.625 | 6.3957 | -0.625 (-2.07%) | 116,600 |
| 29 May 1981 | USD | 30.25 | 31.5 | 29.75 | 30.25 | 6.5307 | -2.125 (-6.56%) | 80,700 |
| 28 May 1981 | USD | 32.375 | 33.75 | 31.5 | 32.375 | 6.9894 | -1 (-3.00%) | 47,700 |
| 27 May 1981 | USD | 33.375 | 35.25 | 33.375 | 33.375 | 7.2053 | -0.625 (-1.84%) | 87,100 |
| 26 May 1981 | USD | 34 | 34.125 | 32.875 | 34 | 7.3402 | +1 (+3.03%) | 37,600 |
| 25 May 1981 | USD | 33 | 33 | 33 | 33 | 7.1244 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 33 | 33.5 | 32.75 | 33 | 7.1244 | +0.125 (+0.38%) | 70,900 |
| 21 May 1981 | USD | 32.875 | 33.25 | 32.25 | 32.875 | 7.0974 | 0.0 (0.0%) | 63,900 |
| 20 May 1981 | USD | 32.875 | 33.375 | 32 | 32.875 | 7.0974 | +0.375 (+1.15%) | 36,600 |
| 19 May 1981 | USD | 32.5 | 33.375 | 32.125 | 32.5 | 7.0164 | -1 (-2.99%) | 18,800 |
| 18 May 1981 | USD | 33.5 | 34.125 | 33.5 | 33.5 | 7.2323 | -0.5 (-1.47%) | 22,900 |
| 15 May 1981 | USD | 34 | 34.375 | 33.625 | 34 | 7.3402 | +0.125 (+0.37%) | 76,000 |
| 14 May 1981 | USD | 33.875 | 33.875 | 33 | 33.875 | 7.3133 | +0.75 (+2.26%) | 14,900 |
| 13 May 1981 | USD | 33.125 | 33.625 | 33.125 | 33.125 | 7.1513 | 0.0 (0.0%) | 31,000 |
| 12 May 1981 | USD | 33.125 | 33.125 | 32.25 | 33.125 | 7.1513 | +0.625 (+1.92%) | 100,700 |
| 11 May 1981 | USD | 32.5 | 33.25 | 32.25 | 32.5 | 7.0164 | -0.625 (-1.89%) | 42,600 |
| 8 May 1981 | USD | 33.125 | 34 | 33.125 | 33.125 | 7.1513 | -0.375 (-1.12%) | 45,200 |
| 7 May 1981 | USD | 33.5 | 33.875 | 33.5 | 33.5 | 7.2323 | -0.25 (-0.74%) | 38,100 |
| 6 May 1981 | USD | 33.75 | 34.875 | 33.625 | 33.75 | 7.2863 | 0.0 (0.0%) | 93,600 |
| 5 May 1981 | USD | 33.75 | 33.875 | 32.5 | 33.75 | 7.2863 | +1 (+3.05%) | 45,900 |
| 4 May 1981 | USD | 32.75 | 32.75 | 31.75 | 32.75 | 7.0704 | +0.75 (+2.34%) | 44,100 |
| 1 May 1981 | USD | 32 | 33.125 | 32 | 32 | 6.9085 | 0.0 (0.0%) | 139,800 |
| 30 Apr 1981 | USD | 32 | 32.5 | 31.625 | 32 | 6.9085 | +0.625 (+1.99%) | 96,700 |
