| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 May 1981 | USD | 30 | 30.75 | 30 | 30 | 50 | -0.63 (-2.06%) | 7,600 |
| 11 May 1981 | USD | 30.63 | 31.002 | 30.504 | 30.63 | 51.05 | -0.372 (-1.20%) | 5,100 |
| 8 May 1981 | USD | 31.002 | 31.626 | 30.75 | 31.002 | 51.67 | -0.624 (-1.97%) | 40,900 |
| 7 May 1981 | USD | 31.626 | 31.752 | 30.75 | 31.626 | 52.71 | +0.624 (+2.01%) | 73,600 |
| 6 May 1981 | USD | 31.002 | 31.5 | 30.252 | 31.002 | 51.67 | +1.002 (+3.34%) | 23,200 |
| 5 May 1981 | USD | 30 | 30.252 | 29.25 | 30 | 50 | +0.75 (+2.56%) | 5,900 |
| 4 May 1981 | USD | 29.25 | 30.504 | 29.25 | 29.25 | 48.75 | -2.25 (-7.14%) | 14,600 |
| 1 May 1981 | USD | 31.5 | 32.25 | 31.002 | 31.5 | 52.5 | -0.504 (-1.57%) | 11,200 |
| 30 Apr 1981 | USD | 32.004 | 32.376 | 32.004 | 32.004 | 53.34 | -0.246 (-0.76%) | 4,300 |
| 29 Apr 1981 | USD | 32.25 | 32.754 | 32.25 | 32.25 | 53.75 | -0.504 (-1.54%) | 18,000 |
| 28 Apr 1981 | USD | 32.754 | 33 | 32.502 | 32.754 | 54.59 | -0.246 (-0.75%) | 11,200 |
| 27 Apr 1981 | USD | 33 | 33 | 32.502 | 33 | 55 | 0.0 (0.0%) | 13,700 |
| 24 Apr 1981 | USD | 33 | 33.252 | 33 | 33 | 55 | 0.0 (0.0%) | 5,300 |
| 23 Apr 1981 | USD | 33 | 34.002 | 33 | 33 | 55 | -1.002 (-2.95%) | 29,300 |
| 22 Apr 1981 | USD | 34.002 | 34.752 | 34.002 | 34.002 | 56.67 | -1.002 (-2.86%) | 3,700 |
| 21 Apr 1981 | USD | 35.004 | 35.502 | 34.878 | 35.004 | 58.34 | -0.126 (-0.36%) | 81,300 |
| 20 Apr 1981 | USD | 35.13 | 35.25 | 34.626 | 35.13 | 58.55 | +0.5 (+1.44%) | 9,800 |
| 17 Apr 1981 | USD | 34.63 | 34.63 | 34.63 | 34.63 | 57.7167 | +0.004 (+0.01%) | 0 |
| 16 Apr 1981 | USD | 34.626 | 35.004 | 34.128 | 34.626 | 57.71 | -0.378 (-1.08%) | 14,500 |
| 15 Apr 1981 | USD | 35.004 | 35.502 | 34.752 | 35.004 | 58.34 | 0.0 (0.0%) | 14,500 |
| 14 Apr 1981 | USD | 35.004 | 35.502 | 34.5 | 35.004 | 58.34 | +0.504 (+1.46%) | 9,200 |
| 13 Apr 1981 | USD | 34.5 | 34.5 | 34.002 | 34.5 | 57.5 | +0.12 (+0.35%) | 11,200 |
| 10 Apr 1981 | USD | 34.38 | 34.38 | 34.002 | 34.38 | 57.3 | +0.378 (+1.11%) | 6,800 |
| 9 Apr 1981 | USD | 34.002 | 34.002 | 33 | 34.002 | 56.67 | +0.498 (+1.49%) | 32,400 |
| 8 Apr 1981 | USD | 33.504 | 34.128 | 33.252 | 33.504 | 55.84 | -0.75 (-2.19%) | 5,200 |
| 7 Apr 1981 | USD | 34.254 | 34.254 | 34.254 | 34.254 | 57.09 | 0.0 (0.0%) | 15,100 |
| 6 Apr 1981 | USD | 34.254 | 34.5 | 34.002 | 34.254 | 57.09 | 0.0 (0.0%) | 9,700 |
| 3 Apr 1981 | USD | 34.254 | 34.5 | 34.002 | 34.254 | 57.09 | -0.246 (-0.71%) | 8,900 |
| 2 Apr 1981 | USD | 34.5 | 35.004 | 34.002 | 34.5 | 57.5 | +0.498 (+1.46%) | 36,400 |
| 1 Apr 1981 | USD | 34.002 | 34.002 | 33.126 | 34.002 | 56.67 | +1.002 (+3.04%) | 15,400 |
