| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 22 | 22.5 | 22 | 22 | 2.75 | 0.0 (0.0%) | 2,300 |
| 2 Jun 1981 | USD | 22 | 22.5 | 22 | 22 | 2.75 | 0.0 (0.0%) | 2,300 |
| 1 Jun 1981 | USD | 22 | 22.5 | 22 | 22 | 2.75 | 0.0 (0.0%) | 4,700 |
| 29 May 1981 | USD | 22 | 22.5 | 22 | 22 | 2.75 | 0.0 (0.0%) | 2,800 |
| 28 May 1981 | USD | 22 | 22.5 | 22 | 22 | 2.75 | -0.252 (-1.13%) | 1,400 |
| 27 May 1981 | USD | 22.252 | 22.5 | 22.252 | 22.252 | 2.7815 | 0.0 (0.0%) | 3,700 |
| 26 May 1981 | USD | 22.252 | 22.752 | 22.252 | 22.252 | 2.7815 | +0.752 (+3.50%) | 14,100 |
| 25 May 1981 | USD | 21.5 | 21.5 | 21.5 | 21.5 | 2.6875 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 21.5 | 22 | 21.5 | 21.5 | 2.6875 | 0.0 (0.0%) | 1,000 |
| 21 May 1981 | USD | 21.5 | 22 | 21.5 | 21.5 | 2.6875 | 0.0 (0.0%) | 1,800 |
| 20 May 1981 | USD | 21.5 | 22 | 21.5 | 21.5 | 2.6875 | 0.0 (0.0%) | 1,300 |
| 19 May 1981 | USD | 21.5 | 22 | 21.5 | 21.5 | 2.6875 | +0.248 (+1.17%) | 2,000 |
| 18 May 1981 | USD | 21.252 | 22 | 21.252 | 21.252 | 2.6565 | 0.0 (0.0%) | 1,000 |
| 15 May 1981 | USD | 21.252 | 22 | 21.252 | 21.252 | 2.6565 | -0.248 (-1.15%) | 800 |
| 14 May 1981 | USD | 21.5 | 21.752 | 21.5 | 21.5 | 2.6875 | +0.5 (+2.38%) | 6,900 |
| 13 May 1981 | USD | 21 | 21.5 | 21 | 21 | 2.625 | 0.0 (0.0%) | 400 |
| 12 May 1981 | USD | 21 | 21.5 | 21 | 21 | 2.625 | 0.0 (0.0%) | 4,400 |
| 11 May 1981 | USD | 21 | 21.752 | 21 | 21 | 2.625 | -0.252 (-1.19%) | 1,400 |
| 8 May 1981 | USD | 21.252 | 21.752 | 21.252 | 21.252 | 2.6565 | +0.252 (+1.20%) | 1,100 |
| 7 May 1981 | USD | 21 | 21.5 | 21 | 21 | 2.625 | 0.0 (0.0%) | 1,100 |
| 6 May 1981 | USD | 21 | 21.252 | 21 | 21 | 2.625 | +0.5 (+2.44%) | 6,700 |
| 5 May 1981 | USD | 20.5 | 21 | 20.5 | 20.5 | 2.5625 | -0.5 (-2.38%) | 28,100 |
| 4 May 1981 | USD | 21 | 21.5 | 21 | 21 | 2.625 | -0.252 (-1.19%) | 1,400 |
| 1 May 1981 | USD | 21.252 | 21.752 | 21.252 | 21.252 | 2.6565 | 0.0 (0.0%) | 2,500 |
| 30 Apr 1981 | USD | 21.252 | 21.752 | 21.252 | 21.252 | 2.6565 | -0.748 (-3.40%) | 29,700 |
| 29 Apr 1981 | USD | 22 | 22.5 | 22 | 22 | 2.75 | 0.0 (0.0%) | 2,600 |
| 28 Apr 1981 | USD | 22 | 22.5 | 22 | 22 | 2.75 | -0.252 (-1.13%) | 3,800 |
| 27 Apr 1981 | USD | 22.252 | 22.5 | 22.252 | 22.252 | 2.7815 | 0.0 (0.0%) | 3,100 |
| 24 Apr 1981 | USD | 22.252 | 22.752 | 22.252 | 22.252 | 2.7815 | 0.0 (0.0%) | 24,100 |
| 23 Apr 1981 | USD | 22.252 | 22.752 | 22.252 | 22.252 | 2.7815 | 0.0 (0.0%) | 7,700 |
