| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 9 Jun 1981 | USD | 22.125 | 22.25 | 22.125 | 22.125 | 5.5312 | +0.125 (+0.57%) | 1,400 |
| 8 Jun 1981 | USD | 22 | 22.5 | 22 | 22 | 5.5 | -0.625 (-2.76%) | 2,400 |
| 5 Jun 1981 | USD | 22.625 | 22.625 | 22.25 | 22.625 | 5.6562 | +0.625 (+2.84%) | 1,100 |
| 4 Jun 1981 | USD | 22 | 22.5 | 22 | 22 | 5.5 | -0.5 (-2.22%) | 3,100 |
| 3 Jun 1981 | USD | 22.5 | 22.5 | 22.25 | 22.5 | 5.625 | -0.125 (-0.55%) | 1,800 |
| 2 Jun 1981 | USD | 22.625 | 22.75 | 21.875 | 22.625 | 5.6562 | +1 (+4.62%) | 4,100 |
| 1 Jun 1981 | USD | 21.625 | 21.75 | 20.625 | 21.625 | 5.4062 | +1.125 (+5.49%) | 3,000 |
| 29 May 1981 | USD | 20.5 | 20.625 | 20.25 | 20.5 | 5.125 | -0.125 (-0.61%) | 6,400 |
| 28 May 1981 | USD | 20.625 | 21.5 | 20.625 | 20.625 | 5.1562 | -0.375 (-1.79%) | 4,400 |
| 27 May 1981 | USD | 21 | 21 | 21 | 21 | 5.25 | 0.0 (0.0%) | 0 |
| 26 May 1981 | USD | 21 | 21 | 20.75 | 21 | 5.25 | +0.5 (+2.44%) | 10,700 |
| 25 May 1981 | USD | 20.5 | 20.5 | 20.5 | 20.5 | 5.125 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 20.5 | 20.5 | 20.5 | 20.5 | 5.125 | 0.0 (0.0%) | 100 |
| 21 May 1981 | USD | 20.5 | 20.5 | 20 | 20.5 | 5.125 | +0.375 (+1.86%) | 1,500 |
| 20 May 1981 | USD | 20.125 | 20.375 | 20.125 | 20.125 | 5.0312 | 0.0 (0.0%) | 600 |
| 19 May 1981 | USD | 20.125 | 20.125 | 20.125 | 20.125 | 5.0312 | 0.0 (0.0%) | 900 |
| 18 May 1981 | USD | 20.125 | 20.375 | 20.125 | 20.125 | 5.0312 | -0.25 (-1.23%) | 900 |
| 15 May 1981 | USD | 20.375 | 20.5 | 20.25 | 20.375 | 5.0938 | +0.125 (+0.62%) | 2,500 |
| 14 May 1981 | USD | 20.25 | 20.25 | 20 | 20.25 | 5.0625 | +0.625 (+3.18%) | 3,600 |
| 13 May 1981 | USD | 19.625 | 19.875 | 19.625 | 19.625 | 4.9062 | -0.125 (-0.63%) | 600 |
| 12 May 1981 | USD | 19.75 | 20.125 | 19.75 | 19.75 | 4.9375 | -0.25 (-1.25%) | 700 |
| 11 May 1981 | USD | 20 | 20 | 20 | 20 | 5 | 0.0 (0.0%) | 1,000 |
| 8 May 1981 | USD | 20 | 20 | 20 | 20 | 5 | -0.125 (-0.62%) | 200 |
| 7 May 1981 | USD | 20.125 | 20.125 | 19.875 | 20.125 | 5.0312 | +0.125 (+0.63%) | 1,300 |
| 6 May 1981 | USD | 20 | 20.25 | 20 | 20 | 5 | -0.125 (-0.62%) | 700 |
| 5 May 1981 | USD | 20.125 | 20.25 | 20.125 | 20.125 | 5.0312 | -0.25 (-1.23%) | 1,800 |
| 4 May 1981 | USD | 20.375 | 20.375 | 20.125 | 20.375 | 5.0938 | -0.25 (-1.21%) | 1,100 |
| 1 May 1981 | USD | 20.625 | 20.625 | 20.25 | 20.625 | 5.1562 | +0.375 (+1.85%) | 1,500 |
| 30 Apr 1981 | USD | 20.25 | 20.5 | 20.25 | 20.25 | 5.0625 | 0.0 (0.0%) | 1,800 |
| 29 Apr 1981 | USD | 20.25 | 20.375 | 20.25 | 20.25 | 5.0625 | 0.0 (0.0%) | 800 |
