| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 May 1981 | USD | 12.752 | 13 | 12.752 | 12.752 | 1.0627 | -0.248 (-1.91%) | 7,600 |
| 28 May 1981 | USD | 13 | 13.252 | 13 | 13 | 1.0833 | 0.0 (0.0%) | 300 |
| 27 May 1981 | USD | 13 | 13.5 | 13 | 13 | 1.0833 | 0.0 (0.0%) | 600 |
| 26 May 1981 | USD | 13 | 13 | 13 | 13 | 1.0833 | 0.0 (0.0%) | 0 |
| 25 May 1981 | USD | 13 | 13 | 13 | 13 | 1.0833 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 13 | 13.5 | 13 | 13 | 1.0833 | 0.0 (0.0%) | 3,000 |
| 21 May 1981 | USD | 13 | 13.5 | 13 | 13 | 1.0833 | -0.252 (-1.90%) | 2,000 |
| 20 May 1981 | USD | 13.252 | 13.252 | 13.252 | 13.252 | 1.1043 | 0.0 (0.0%) | 0 |
| 19 May 1981 | USD | 13.252 | 13.5 | 13.252 | 13.252 | 1.1043 | -0.248 (-1.84%) | 5,400 |
| 18 May 1981 | USD | 13.5 | 13.752 | 13.5 | 13.5 | 1.125 | 0.0 (0.0%) | 1,000 |
| 15 May 1981 | USD | 13.5 | 13.752 | 13.5 | 13.5 | 1.125 | 0.0 (0.0%) | 1,400 |
| 14 May 1981 | USD | 13.5 | 13.752 | 13.5 | 13.5 | 1.125 | +0.5 (+3.85%) | 2,300 |
| 13 May 1981 | USD | 13 | 13.5 | 13 | 13 | 1.0833 | -0.252 (-1.90%) | 2,600 |
| 12 May 1981 | USD | 13.252 | 13.5 | 13.252 | 13.252 | 1.1043 | -0.248 (-1.84%) | 4,800 |
| 11 May 1981 | USD | 13.5 | 13.752 | 13.5 | 13.5 | 1.125 | 0.0 (0.0%) | 2,100 |
| 8 May 1981 | USD | 13.5 | 14 | 13.5 | 13.5 | 1.125 | 0.0 (0.0%) | 600 |
| 7 May 1981 | USD | 13.5 | 14 | 13.5 | 13.5 | 1.125 | +0.248 (+1.87%) | 4,100 |
| 6 May 1981 | USD | 13.252 | 13.5 | 13.252 | 13.252 | 1.1043 | +0.5 (+3.92%) | 8,000 |
| 5 May 1981 | USD | 12.752 | 13.252 | 12.752 | 12.752 | 1.0627 | 0.0 (0.0%) | 11,100 |
| 4 May 1981 | USD | 12.752 | 13.252 | 12.752 | 12.752 | 1.0627 | -1 (-7.27%) | 9,800 |
| 1 May 1981 | USD | 13.752 | 14 | 13.752 | 13.752 | 1.146 | -0.5 (-3.51%) | 3,900 |
| 30 Apr 1981 | USD | 14.252 | 14.5 | 14.252 | 14.252 | 1.1877 | 0.0 (0.0%) | 9,600 |
| 29 Apr 1981 | USD | 14.252 | 14.5 | 14.252 | 14.252 | 1.1877 | +0.5 (+3.64%) | 5,800 |
| 28 Apr 1981 | USD | 13.752 | 14.252 | 13.752 | 13.752 | 1.146 | 0.0 (0.0%) | 1,900 |
| 27 Apr 1981 | USD | 13.752 | 14 | 13.752 | 13.752 | 1.146 | 0.0 (0.0%) | 3,500 |
| 24 Apr 1981 | USD | 13.752 | 14 | 13.752 | 13.752 | 1.146 | +0.252 (+1.87%) | 1,700 |
| 23 Apr 1981 | USD | 13.5 | 14 | 13.5 | 13.5 | 1.125 | 0.0 (0.0%) | 400 |
| 22 Apr 1981 | USD | 13.5 | 14 | 13.5 | 13.5 | 1.125 | -0.252 (-1.83%) | 3,700 |
| 21 Apr 1981 | USD | 13.752 | 14.252 | 13.752 | 13.752 | 1.146 | -0.248 (-1.77%) | 12,400 |
| 20 Apr 1981 | USD | 14 | 14.252 | 14 | 14 | 1.1667 | +1.248 (+9.79%) | 14,100 |
