| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 21 May 1981 | USD | 33.75 | 34.5 | 33.75 | 33.75 | 1.4062 | 0.0 (0.0%) | 3,600 |
| 20 May 1981 | USD | 33.75 | 34.254 | 33.75 | 33.75 | 1.4062 | 0.0 (0.0%) | 2,900 |
| 19 May 1981 | USD | 33.75 | 34.254 | 33.75 | 33.75 | 1.4062 | 0.0 (0.0%) | 2,500 |
| 18 May 1981 | USD | 33.75 | 34.254 | 33.75 | 33.75 | 1.4062 | 0.0 (0.0%) | 3,400 |
| 15 May 1981 | USD | 33.75 | 34.254 | 33.75 | 33.75 | 1.4062 | 0.0 (0.0%) | 7,300 |
| 14 May 1981 | USD | 33.75 | 34.254 | 33.75 | 33.75 | 1.4062 | 0.0 (0.0%) | 3,800 |
| 13 May 1981 | USD | 33.75 | 34.002 | 33.75 | 33.75 | 1.4062 | +0.252 (+0.75%) | 1,500 |
| 12 May 1981 | USD | 33.498 | 34.002 | 33.498 | 33.498 | 1.3958 | -0.252 (-0.75%) | 3,000 |
| 11 May 1981 | USD | 33.75 | 34.254 | 33.75 | 33.75 | 1.4062 | -0.504 (-1.47%) | 6,300 |
| 8 May 1981 | USD | 34.254 | 34.5 | 34.254 | 34.254 | 1.4272 | 0.0 (0.0%) | 3,100 |
| 7 May 1981 | USD | 34.254 | 34.5 | 34.254 | 34.254 | 1.4272 | +0.252 (+0.74%) | 1,200 |
| 6 May 1981 | USD | 34.002 | 34.5 | 34.002 | 34.002 | 1.4167 | 0.0 (0.0%) | 4,000 |
| 5 May 1981 | USD | 34.002 | 34.5 | 34.002 | 34.002 | 1.4167 | 0.0 (0.0%) | 2,800 |
| 4 May 1981 | USD | 34.002 | 34.5 | 34.002 | 34.002 | 1.4167 | -0.498 (-1.44%) | 2,800 |
| 1 May 1981 | USD | 34.5 | 34.998 | 34.5 | 34.5 | 1.4375 | 0.0 (0.0%) | 3,000 |
| 30 Apr 1981 | USD | 34.5 | 34.998 | 34.5 | 34.5 | 1.4375 | -0.498 (-1.42%) | 8,600 |
| 29 Apr 1981 | USD | 34.998 | 35.502 | 34.998 | 34.998 | 1.4583 | 0.0 (0.0%) | 16,000 |
| 28 Apr 1981 | USD | 34.998 | 35.754 | 34.998 | 34.998 | 1.4583 | -0.252 (-0.71%) | 10,700 |
| 27 Apr 1981 | USD | 35.25 | 35.502 | 35.25 | 35.25 | 1.4688 | 0.0 (0.0%) | 3,300 |
| 24 Apr 1981 | USD | 35.25 | 35.502 | 35.25 | 35.25 | 1.4688 | 0.0 (0.0%) | 4,600 |
| 23 Apr 1981 | USD | 35.25 | 35.502 | 35.25 | 35.25 | 1.4688 | +0.996 (+2.91%) | 9,800 |
| 22 Apr 1981 | USD | 34.254 | 34.5 | 34.254 | 34.254 | 1.4272 | +0.504 (+1.49%) | 2,500 |
| 21 Apr 1981 | USD | 33.75 | 34.002 | 33.75 | 33.75 | 1.4062 | +1.5 (+4.65%) | 9,100 |
| 20 Apr 1981 | USD | 32.25 | 32.502 | 32.25 | 32.25 | 1.3438 | +0.498 (+1.57%) | 14,500 |
| 17 Apr 1981 | USD | 31.752 | 31.752 | 31.752 | 31.752 | 1.323 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 31.752 | 32.25 | 31.752 | 31.752 | 1.323 | -0.246 (-0.77%) | 11,800 |
| 15 Apr 1981 | USD | 31.998 | 32.25 | 31.998 | 31.998 | 1.3333 | 0.0 (0.0%) | 5,700 |
| 14 Apr 1981 | USD | 31.998 | 32.502 | 31.998 | 31.998 | 1.3333 | 0.0 (0.0%) | 5,700 |
| 13 Apr 1981 | USD | 31.998 | 32.502 | 31.998 | 31.998 | 1.3333 | 0.0 (0.0%) | 6,200 |
| 10 Apr 1981 | USD | 31.998 | 32.502 | 31.998 | 31.998 | 1.3333 | +0.498 (+1.58%) | 13,400 |
