| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 28 May 1981 | USD | 2 | 2.125 | 2 | 2 | 5.3333 | 0.0 (0.0%) | 7,700 |
| 27 May 1981 | USD | 2 | 2.25 | 2 | 2 | 5.3333 | 0.0 (0.0%) | 13,200 |
| 26 May 1981 | USD | 2 | 2.125 | 2 | 2 | 5.3333 | +0.124 (+6.61%) | 23,700 |
| 25 May 1981 | USD | 1.876 | 1.876 | 1.876 | 1.876 | 5.0027 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 1.876 | 2 | 1.876 | 1.876 | 5.0027 | 0.0 (0.0%) | 15,000 |
| 21 May 1981 | USD | 1.876 | 2 | 1.876 | 1.876 | 5.0027 | 0.0 (0.0%) | 5,500 |
| 20 May 1981 | USD | 1.876 | 2 | 1.876 | 1.876 | 5.0027 | 0.0 (0.0%) | 6,500 |
| 19 May 1981 | USD | 1.876 | 2.125 | 1.876 | 1.876 | 5.0027 | 0.0 (0.0%) | 2,100 |
| 18 May 1981 | USD | 1.876 | 2.125 | 1.876 | 1.876 | 5.0027 | -0.124 (-6.20%) | 600 |
| 15 May 1981 | USD | 2 | 2.125 | 2 | 2 | 5.3333 | -0.125 (-5.88%) | 31,000 |
| 14 May 1981 | USD | 2.125 | 2.375 | 2.125 | 2.125 | 5.6667 | 0.0 (0.0%) | 5,200 |
| 13 May 1981 | USD | 2.125 | 2.375 | 2.125 | 2.125 | 5.6667 | -0.125 (-5.56%) | 5,200 |
| 12 May 1981 | USD | 2.25 | 2.375 | 2.25 | 2.25 | 6 | 0.0 (0.0%) | 5,700 |
| 11 May 1981 | USD | 2.25 | 2.5 | 2.25 | 2.25 | 6 | 0.0 (0.0%) | 4,800 |
| 8 May 1981 | USD | 2.25 | 2.5 | 2.25 | 2.25 | 6 | 0.0 (0.0%) | 1,300 |
| 7 May 1981 | USD | 2.25 | 2.5 | 2.25 | 2.25 | 6 | 0.0 (0.0%) | 5,300 |
| 6 May 1981 | USD | 2.25 | 2.5 | 2.25 | 2.25 | 6 | -0.125 (-5.26%) | 11,200 |
| 5 May 1981 | USD | 2.375 | 2.625 | 2.375 | 2.375 | 6.3333 | 0.0 (0.0%) | 1,200 |
| 4 May 1981 | USD | 2.375 | 2.625 | 2.375 | 2.375 | 6.3333 | 0.0 (0.0%) | 1,500 |
| 1 May 1981 | USD | 2.375 | 2.625 | 2.375 | 2.375 | 6.3333 | 0.0 (0.0%) | 5,000 |
| 30 Apr 1981 | USD | 2.375 | 2.625 | 2.375 | 2.375 | 6.3333 | 0.0 (0.0%) | 2,300 |
| 29 Apr 1981 | USD | 2.375 | 2.625 | 2.375 | 2.375 | 6.3333 | -0.375 (-13.64%) | 11,700 |
| 28 Apr 1981 | USD | 2.75 | 3 | 2.75 | 2.75 | 7.3333 | -0.125 (-4.35%) | 8,700 |
| 27 Apr 1981 | USD | 2.875 | 3 | 2.875 | 2.875 | 7.6667 | 0.0 (0.0%) | 23,700 |
| 24 Apr 1981 | USD | 2.875 | 3 | 2.875 | 2.875 | 7.6667 | +0.625 (+27.78%) | 124,200 |
| 23 Apr 1981 | USD | 2.25 | 2.5 | 2.25 | 2.25 | 6 | +0.125 (+5.88%) | 57,500 |
| 22 Apr 1981 | USD | 2.125 | 2.375 | 2.125 | 2.125 | 5.6667 | -0.25 (-10.53%) | 25,400 |
| 21 Apr 1981 | USD | 2.375 | 2.625 | 2.375 | 2.375 | 6.3333 | -0.125 (-5%) | 25,000 |
| 20 Apr 1981 | USD | 2.5 | 2.625 | 2.5 | 2.5 | 6.6667 | 0.0 (0.0%) | 12,600 |
| 17 Apr 1981 | USD | 2.5 | 2.5 | 2.5 | 2.5 | 6.6667 | 0.0 (0.0%) | 0 |
