| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 May 1981 | USD | 2.375 | 2.438 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 2,300 |
| 28 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 2,200 |
| 27 May 1981 | USD | 2.375 | 2.563 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 800 |
| 26 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 1,500 |
| 25 May 1981 | USD | 2.375 | 2.375 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | -0.063 (-2.58%) | 5,000 |
| 21 May 1981 | USD | 2.438 | 2.5 | 2.438 | 2.438 | 0.3612 | +0.063 (+2.65%) | 5,500 |
| 20 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 500 |
| 19 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 2,500 |
| 18 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 2,000 |
| 15 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | +0.061 (+2.64%) | 2,500 |
| 14 May 1981 | USD | 2.314 | 2.563 | 2.314 | 2.314 | 0.3428 | 0.0 (0.0%) | 1,600 |
| 13 May 1981 | USD | 2.314 | 2.563 | 2.314 | 2.314 | 0.3428 | 0.0 (0.0%) | 800 |
| 12 May 1981 | USD | 2.314 | 2.314 | 2.314 | 2.314 | 0.3428 | +0.065 (+2.89%) | 1,000 |
| 11 May 1981 | USD | 2.249 | 2.249 | 2.249 | 2.249 | 0.3332 | 0.0 (0.0%) | 0 |
| 8 May 1981 | USD | 2.249 | 2.249 | 2.249 | 2.249 | 0.3332 | 0.0 (0.0%) | 0 |
| 7 May 1981 | USD | 2.249 | 2.5 | 2.249 | 2.249 | 0.3332 | -0.126 (-5.31%) | 7,000 |
| 6 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 3,000 |
| 5 May 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 5,000 |
| 4 May 1981 | USD | 2.375 | 2.624 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 100 |
| 1 May 1981 | USD | 2.375 | 2.375 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 0 |
| 30 Apr 1981 | USD | 2.375 | 2.624 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 2,000 |
| 29 Apr 1981 | USD | 2.375 | 2.375 | 2.375 | 2.375 | 0.3519 | -0.125 (-5%) | 400 |
| 28 Apr 1981 | USD | 2.5 | 2.75 | 2.5 | 2.5 | 0.3704 | 0.0 (0.0%) | 100 |
| 27 Apr 1981 | USD | 2.5 | 2.75 | 2.5 | 2.5 | 0.3704 | 0.0 (0.0%) | 2,200 |
| 24 Apr 1981 | USD | 2.5 | 2.75 | 2.5 | 2.5 | 0.3704 | +0.125 (+5.26%) | 1,000 |
| 23 Apr 1981 | USD | 2.375 | 2.375 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 3,700 |
| 22 Apr 1981 | USD | 2.375 | 2.375 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 4,500 |
| 21 Apr 1981 | USD | 2.375 | 2.624 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 1,700 |
| 20 Apr 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 0.3519 | 0.0 (0.0%) | 4,100 |
