| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 Jun 1981 | USD | 14 | 14 | 13.75 | 14 | 4.1481 | -0.249 (-1.75%) | 1,200 |
| 11 Jun 1981 | USD | 14.249 | 14.375 | 14.249 | 14.249 | 4.2219 | -0.126 (-0.88%) | 500 |
| 10 Jun 1981 | USD | 14.375 | 14.501 | 14.126 | 14.375 | 4.2593 | +0.375 (+2.68%) | 2,700 |
| 9 Jun 1981 | USD | 14 | 14.501 | 14 | 14 | 4.1481 | -0.625 (-4.27%) | 2,300 |
| 8 Jun 1981 | USD | 14.625 | 14.875 | 14.625 | 14.625 | 4.3333 | 0.0 (0.0%) | 1,700 |
| 5 Jun 1981 | USD | 14.625 | 14.749 | 14.501 | 14.625 | 4.3333 | -0.124 (-0.84%) | 700 |
| 4 Jun 1981 | USD | 14.749 | 14.875 | 14.625 | 14.749 | 4.3701 | 0.0 (0.0%) | 2,300 |
| 3 Jun 1981 | USD | 14.749 | 14.875 | 14.749 | 14.749 | 4.3701 | -0.126 (-0.85%) | 1,200 |
| 2 Jun 1981 | USD | 14.875 | 15.001 | 14.875 | 14.875 | 4.4074 | -0.126 (-0.84%) | 200 |
| 1 Jun 1981 | USD | 15.001 | 15.125 | 14.875 | 15.001 | 4.4447 | -0.124 (-0.82%) | 2,400 |
| 29 May 1981 | USD | 15.125 | 15.626 | 15.125 | 15.125 | 4.4815 | -0.501 (-3.21%) | 1,300 |
| 28 May 1981 | USD | 15.626 | 15.626 | 15.626 | 15.626 | 4.6299 | +0.252 (+1.64%) | 600 |
| 27 May 1981 | USD | 15.374 | 15.5 | 15.125 | 15.374 | 4.5553 | -0.126 (-0.81%) | 2,000 |
| 26 May 1981 | USD | 15.5 | 15.5 | 15.251 | 15.5 | 4.5926 | 0.0 (0.0%) | 2,500 |
| 25 May 1981 | USD | 15.5 | 15.5 | 15.5 | 15.5 | 4.5926 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 15.5 | 15.75 | 15.5 | 15.5 | 4.5926 | -0.25 (-1.59%) | 300 |
| 21 May 1981 | USD | 15.75 | 15.75 | 15.374 | 15.75 | 4.6667 | +0.25 (+1.61%) | 1,300 |
| 20 May 1981 | USD | 15.5 | 15.5 | 15.374 | 15.5 | 4.5926 | -0.126 (-0.81%) | 1,300 |
| 19 May 1981 | USD | 15.626 | 15.75 | 15.374 | 15.626 | 4.6299 | 0.0 (0.0%) | 2,200 |
| 18 May 1981 | USD | 15.626 | 15.874 | 15.626 | 15.626 | 4.6299 | -0.124 (-0.79%) | 1,200 |
| 15 May 1981 | USD | 15.75 | 16.126 | 15.626 | 15.75 | 4.6667 | -0.376 (-2.33%) | 16,400 |
| 14 May 1981 | USD | 16.126 | 16.25 | 16 | 16.126 | 4.7781 | +0.126 (+0.79%) | 700 |
| 13 May 1981 | USD | 16 | 16.25 | 16 | 16 | 4.7407 | -0.126 (-0.78%) | 1,900 |
| 12 May 1981 | USD | 16.126 | 16.376 | 16.126 | 16.126 | 4.7781 | -0.124 (-0.76%) | 3,100 |
| 11 May 1981 | USD | 16.25 | 16.25 | 16.126 | 16.25 | 4.8148 | 0.0 (0.0%) | 6,800 |
| 8 May 1981 | USD | 16.25 | 16.25 | 16.25 | 16.25 | 4.8148 | 0.0 (0.0%) | 0 |
| 7 May 1981 | USD | 16.25 | 16.25 | 16.25 | 16.25 | 4.8148 | 0.0 (0.0%) | 8,000 |
| 6 May 1981 | USD | 16.25 | 16.376 | 16.25 | 16.25 | 4.8148 | -0.249 (-1.51%) | 700 |
| 5 May 1981 | USD | 16.499 | 16.499 | 16.376 | 16.499 | 4.8886 | -0.252 (-1.50%) | 1,000 |
| 4 May 1981 | USD | 16.751 | 16.751 | 16.376 | 16.751 | 4.9633 | +0.625 (+3.88%) | 2,800 |
