| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 25 Jun 1981 | USD | 3.125 | 3.188 | 3.125 | 3.125 | 9,375 | 0.0 (0.0%) | 15,900 |
| 24 Jun 1981 | USD | 3.125 | 3.188 | 3.125 | 3.125 | 9,375 | -0.188 (-5.67%) | 50,900 |
| 23 Jun 1981 | USD | 3.313 | 3.375 | 3.313 | 3.313 | 9,939 | +0.063 (+1.94%) | 57,500 |
| 22 Jun 1981 | USD | 3.25 | 3.375 | 3.25 | 3.25 | 9,750 | +0.125 (+4%) | 75,000 |
| 19 Jun 1981 | USD | 3.125 | 3.188 | 3.125 | 3.125 | 9,375 | +0.437 (+16.26%) | 100,700 |
| 18 Jun 1981 | USD | 2.688 | 2.75 | 2.688 | 2.688 | 8,064 | +0.063 (+2.40%) | 64,600 |
| 17 Jun 1981 | USD | 2.625 | 2.75 | 2.625 | 2.625 | 7,875 | 0.0 (0.0%) | 44,500 |
| 16 Jun 1981 | USD | 2.625 | 2.75 | 2.625 | 2.625 | 7,875 | -0.313 (-10.65%) | 87,400 |
| 15 Jun 1981 | USD | 2.938 | 3 | 2.938 | 2.938 | 8,814 | -0.187 (-5.98%) | 53,800 |
| 12 Jun 1981 | USD | 3.125 | 3.188 | 3.125 | 3.125 | 9,375 | -0.063 (-1.98%) | 85,700 |
| 11 Jun 1981 | USD | 3.188 | 3.25 | 3.188 | 3.188 | 9,564 | +0.063 (+2.02%) | 61,600 |
| 10 Jun 1981 | USD | 3.125 | 3.188 | 3.125 | 3.125 | 9,375 | 0.0 (0.0%) | 96,200 |
| 9 Jun 1981 | USD | 3.125 | 3.188 | 3.125 | 3.125 | 9,375 | -0.25 (-7.41%) | 87,400 |
| 8 Jun 1981 | USD | 3.375 | 3.438 | 3.375 | 3.375 | 10,125 | 0.0 (0.0%) | 94,500 |
| 5 Jun 1981 | USD | 3.375 | 3.5 | 3.375 | 3.375 | 10,125 | -0.125 (-3.57%) | 122,700 |
| 4 Jun 1981 | USD | 3.5 | 3.563 | 3.5 | 3.5 | 10,500 | +0.187 (+5.64%) | 201,600 |
| 3 Jun 1981 | USD | 3.313 | 3.375 | 3.313 | 3.313 | 9,939 | +0.313 (+10.43%) | 121,200 |
| 2 Jun 1981 | USD | 3 | 3.125 | 3 | 3 | 9,000 | +0.062 (+2.11%) | 179,600 |
| 1 Jun 1981 | USD | 2.938 | 3.063 | 2.938 | 2.938 | 8,814 | -0.375 (-11.32%) | 129,700 |
| 29 May 1981 | USD | 3.313 | 3.375 | 3.313 | 3.313 | 9,939 | 0.0 (0.0%) | 135,000 |
| 28 May 1981 | USD | 3.313 | 3.375 | 3.313 | 3.313 | 9,939 | -0.125 (-3.64%) | 306,200 |
| 27 May 1981 | USD | 3.438 | 3.5 | 3.438 | 3.438 | 10,314 | +0.625 (+22.22%) | 261,200 |
| 26 May 1981 | USD | 2.813 | 2.875 | 2.813 | 2.813 | 8,439 | +0.125 (+4.65%) | 77,400 |
| 25 May 1981 | USD | 2.688 | 2.688 | 2.688 | 2.688 | 8,064 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 2.688 | 2.75 | 2.688 | 2.688 | 8,064 | +0.125 (+4.88%) | 61,900 |
| 21 May 1981 | USD | 2.563 | 2.688 | 2.563 | 2.563 | 7,689 | 0.0 (0.0%) | 88,800 |
| 20 May 1981 | USD | 2.563 | 2.625 | 2.563 | 2.563 | 7,689 | +0.063 (+2.52%) | 118,000 |
| 19 May 1981 | USD | 2.5 | 2.563 | 2.5 | 2.5 | 7,500 | -0.063 (-2.46%) | 47,700 |
| 18 May 1981 | USD | 2.563 | 2.625 | 2.563 | 2.563 | 7,689 | -0.062 (-2.36%) | 139,700 |
| 15 May 1981 | USD | 2.625 | 2.75 | 2.625 | 2.625 | 7,875 | +0.062 (+2.42%) | 86,300 |
