| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 18 | 18 | 17.876 | 18 | 7.8449 | -0.126 (-0.70%) | 61,500 |
| 2 Jun 1981 | USD | 18.126 | 18.126 | 18 | 18.126 | 7.8998 | +0.126 (+0.70%) | 69,600 |
| 1 Jun 1981 | USD | 18 | 18.25 | 18 | 18 | 7.8449 | 0.0 (0.0%) | 70,000 |
| 29 May 1981 | USD | 18 | 18.126 | 17.75 | 18 | 7.8449 | 0.0 (0.0%) | 53,600 |
| 28 May 1981 | USD | 18 | 18.25 | 18 | 18 | 7.8449 | 0.0 (0.0%) | 27,200 |
| 27 May 1981 | USD | 18 | 18.126 | 17.876 | 18 | 7.8449 | -0.126 (-0.70%) | 169,200 |
| 26 May 1981 | USD | 18.126 | 18.25 | 18 | 18.126 | 7.8998 | +0.126 (+0.70%) | 40,500 |
| 25 May 1981 | USD | 18 | 18 | 18 | 18 | 7.8449 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 18 | 18.126 | 18 | 18 | 7.8449 | -0.126 (-0.70%) | 67,900 |
| 21 May 1981 | USD | 18.126 | 18.126 | 18 | 18.126 | 7.8998 | +0.126 (+0.70%) | 86,300 |
| 20 May 1981 | USD | 18 | 18.126 | 17.876 | 18 | 7.8449 | -0.25 (-1.37%) | 71,200 |
| 19 May 1981 | USD | 18.25 | 18.25 | 18 | 18.25 | 7.9538 | -0.126 (-0.69%) | 48,600 |
| 18 May 1981 | USD | 18.376 | 18.626 | 18.25 | 18.376 | 8.0087 | -0.25 (-1.34%) | 86,000 |
| 15 May 1981 | USD | 18.626 | 18.75 | 18.5 | 18.626 | 8.1177 | 0.0 (0.0%) | 68,500 |
| 14 May 1981 | USD | 18.626 | 18.75 | 18.5 | 18.626 | 8.1177 | 0.0 (0.0%) | 69,600 |
| 13 May 1981 | USD | 18.626 | 18.876 | 18.25 | 18.626 | 8.1177 | +0.5 (+2.76%) | 278,300 |
| 12 May 1981 | USD | 18.126 | 18.25 | 17.876 | 18.126 | 7.8998 | +0.876 (+5.08%) | 113,100 |
| 11 May 1981 | USD | 17.25 | 17.626 | 17.126 | 17.25 | 7.518 | -0.75 (-4.17%) | 68,800 |
| 8 May 1981 | USD | 18 | 18.376 | 18 | 18 | 7.8449 | -0.126 (-0.70%) | 149,400 |
| 7 May 1981 | USD | 18.126 | 18.376 | 17.876 | 18.126 | 7.8998 | +0.25 (+1.40%) | 59,900 |
| 6 May 1981 | USD | 17.876 | 18 | 17.75 | 17.876 | 7.7908 | +0.126 (+0.71%) | 155,800 |
| 5 May 1981 | USD | 17.75 | 18 | 17.75 | 17.75 | 7.7359 | -0.25 (-1.39%) | 28,600 |
| 4 May 1981 | USD | 18 | 18.25 | 17.876 | 18 | 7.8449 | -0.376 (-2.05%) | 100,700 |
| 1 May 1981 | USD | 18.376 | 18.626 | 18.376 | 18.376 | 8.0087 | -0.124 (-0.67%) | 212,800 |
| 30 Apr 1981 | USD | 18.5 | 18.626 | 18.5 | 18.5 | 8.0628 | 0.0 (0.0%) | 41,200 |
| 29 Apr 1981 | USD | 18.5 | 18.626 | 18.5 | 18.5 | 8.0628 | -0.126 (-0.68%) | 90,800 |
| 28 Apr 1981 | USD | 18.626 | 18.75 | 18.5 | 18.626 | 8.1177 | 0.0 (0.0%) | 82,200 |
| 27 Apr 1981 | USD | 18.626 | 18.876 | 18.626 | 18.626 | 8.1177 | -0.124 (-0.66%) | 72,300 |
| 24 Apr 1981 | USD | 18.75 | 19 | 18.5 | 18.75 | 8.1717 | +0.25 (+1.35%) | 171,400 |
| 23 Apr 1981 | USD | 18.5 | 18.626 | 18.25 | 18.5 | 8.0628 | +0.25 (+1.37%) | 196,300 |
