| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 10.5 | 10.5 | 10.5 | 10.5 | 262.5 | +0.5 (+5%) | 17,701 |
| 3 Jun 1981 | USD | 10 | 10 | 10 | 10 | 250 | +0.25 (+2.56%) | 5,400 |
| 2 Jun 1981 | USD | 9.75 | 10.124 | 9.75 | 9.75 | 243.75 | -0.25 (-2.50%) | 8,200 |
| 1 Jun 1981 | USD | 10 | 10.124 | 10 | 10 | 250 | +0.626 (+6.68%) | 12,301 |
| 29 May 1981 | USD | 9.374 | 9.501 | 9.374 | 9.374 | 234.35 | 0.0 (0.0%) | 4,000 |
| 28 May 1981 | USD | 9.374 | 9.75 | 9.374 | 9.374 | 234.35 | +0.249 (+2.73%) | 8,602 |
| 27 May 1981 | USD | 9.125 | 9.25 | 9.125 | 9.125 | 228.125 | +0.124 (+1.38%) | 2,900 |
| 26 May 1981 | USD | 9.001 | 9.125 | 9.001 | 9.001 | 225.025 | 0.0 (0.0%) | 1,301 |
| 25 May 1981 | USD | 9.001 | 9.001 | 9.001 | 9.001 | 225.025 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 9.001 | 9.25 | 9.001 | 9.001 | 225.025 | -0.249 (-2.69%) | 5,200 |
| 21 May 1981 | USD | 9.25 | 9.25 | 9.25 | 9.25 | 231.25 | 0.0 (0.0%) | 2,400 |
| 20 May 1981 | USD | 9.25 | 9.25 | 9.25 | 9.25 | 231.25 | +0.249 (+2.77%) | 3,001 |
| 19 May 1981 | USD | 9.001 | 9.125 | 9.001 | 9.001 | 225.025 | 0.0 (0.0%) | 3,001 |
| 18 May 1981 | USD | 9.001 | 9.374 | 9.001 | 9.001 | 225.025 | -0.373 (-3.98%) | 1,701 |
| 15 May 1981 | USD | 9.374 | 9.374 | 9.374 | 9.374 | 234.35 | +0.373 (+4.14%) | 2,601 |
| 14 May 1981 | USD | 9.001 | 9.001 | 9.001 | 9.001 | 225.025 | +0.252 (+2.88%) | 4,000 |
| 13 May 1981 | USD | 8.749 | 9.125 | 8.749 | 8.749 | 218.725 | -0.126 (-1.42%) | 3,601 |
| 12 May 1981 | USD | 8.875 | 8.875 | 8.875 | 8.875 | 221.875 | -0.126 (-1.40%) | 400 |
| 11 May 1981 | USD | 9.001 | 9.001 | 9.001 | 9.001 | 225.025 | -0.124 (-1.36%) | 2,601 |
| 8 May 1981 | USD | 9.125 | 9.374 | 9.125 | 9.125 | 228.125 | +0.124 (+1.38%) | 5,801 |
| 7 May 1981 | USD | 9.001 | 9.125 | 9.001 | 9.001 | 225.025 | +0.126 (+1.42%) | 901 |
| 6 May 1981 | USD | 8.875 | 9.25 | 8.875 | 8.875 | 221.875 | -0.375 (-4.05%) | 3,500 |
| 5 May 1981 | USD | 9.25 | 9.25 | 9.25 | 9.25 | 231.25 | -0.124 (-1.32%) | 1,800 |
| 4 May 1981 | USD | 9.374 | 9.501 | 9.374 | 9.374 | 234.35 | -0.376 (-3.86%) | 3,601 |
| 1 May 1981 | USD | 9.75 | 10 | 9.75 | 9.75 | 243.75 | -0.25 (-2.50%) | 3,800 |
| 30 Apr 1981 | USD | 10 | 10 | 10 | 10 | 250 | 0.0 (0.0%) | 3,001 |
| 29 Apr 1981 | USD | 10 | 10 | 10 | 10 | 250 | 0.0 (0.0%) | 4,800 |
| 28 Apr 1981 | USD | 10 | 10.124 | 10 | 10 | 250 | 0.0 (0.0%) | 7,300 |
| 27 Apr 1981 | USD | 10 | 10 | 10 | 10 | 250 | -0.124 (-1.22%) | 2,601 |
| 24 Apr 1981 | USD | 10.124 | 10.124 | 10.124 | 10.124 | 253.1 | +0.124 (+1.24%) | 17,901 |
