| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 May 1981 | USD | 53.625 | 53.751 | 52.749 | 53.625 | 0.4965 | +0.375 (+0.70%) | 61,600 |
| 28 May 1981 | USD | 53.25 | 53.751 | 53.001 | 53.25 | 0.4931 | +0.624 (+1.19%) | 167,300 |
| 27 May 1981 | USD | 52.626 | 52.626 | 51.75 | 52.626 | 0.4873 | +0.627 (+1.21%) | 21,200 |
| 26 May 1981 | USD | 51.999 | 51.999 | 51 | 51.999 | 0.4815 | +0.999 (+1.96%) | 18,800 |
| 25 May 1981 | USD | 51 | 51 | 51 | 51 | 0.4722 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 51 | 51.501 | 50.751 | 51 | 0.4722 | +0.126 (+0.25%) | 24,400 |
| 21 May 1981 | USD | 50.874 | 50.874 | 50.376 | 50.874 | 0.4711 | +0.123 (+0.24%) | 74,600 |
| 20 May 1981 | USD | 50.751 | 50.874 | 50.376 | 50.751 | 0.4699 | +0.252 (+0.50%) | 18,800 |
| 19 May 1981 | USD | 50.499 | 51.249 | 50.25 | 50.499 | 0.4676 | -0.75 (-1.46%) | 46,800 |
| 18 May 1981 | USD | 51.249 | 51.249 | 50.001 | 51.249 | 0.4745 | +0.375 (+0.74%) | 29,700 |
| 15 May 1981 | USD | 50.874 | 51.249 | 50.751 | 50.874 | 0.4711 | +0.123 (+0.24%) | 44,900 |
| 14 May 1981 | USD | 50.751 | 50.874 | 50.499 | 50.751 | 0.4699 | 0.0 (0.0%) | 73,000 |
| 13 May 1981 | USD | 50.751 | 51.249 | 50.376 | 50.751 | 0.4699 | -0.123 (-0.24%) | 73,800 |
| 12 May 1981 | USD | 50.874 | 50.874 | 50.25 | 50.874 | 0.4711 | +0.375 (+0.74%) | 89,700 |
| 11 May 1981 | USD | 50.499 | 51.876 | 49.626 | 50.499 | 0.4676 | -1.626 (-3.12%) | 190,200 |
| 8 May 1981 | USD | 52.125 | 52.251 | 51.75 | 52.125 | 0.4826 | +0.75 (+1.46%) | 28,100 |
| 7 May 1981 | USD | 51.375 | 51.375 | 50.25 | 51.375 | 0.4757 | +0.999 (+1.98%) | 27,200 |
| 6 May 1981 | USD | 50.376 | 50.751 | 49.749 | 50.376 | 0.4664 | +0.876 (+1.77%) | 81,000 |
| 5 May 1981 | USD | 49.5 | 49.5 | 48.249 | 49.5 | 0.4583 | -0.126 (-0.25%) | 89,600 |
| 4 May 1981 | USD | 49.626 | 49.875 | 48.126 | 49.626 | 0.4595 | -0.375 (-0.75%) | 43,700 |
| 1 May 1981 | USD | 50.001 | 50.751 | 49.125 | 50.001 | 0.463 | -0.498 (-0.99%) | 89,900 |
| 30 Apr 1981 | USD | 50.499 | 51.876 | 50.499 | 50.499 | 0.4676 | -1.5 (-2.88%) | 142,500 |
| 29 Apr 1981 | USD | 51.999 | 52.749 | 51.999 | 51.999 | 0.4815 | -1.002 (-1.89%) | 69,900 |
| 28 Apr 1981 | USD | 53.001 | 53.25 | 52.875 | 53.001 | 0.4908 | 0.0 (0.0%) | 35,200 |
| 27 Apr 1981 | USD | 53.001 | 53.499 | 53.001 | 53.001 | 0.4908 | -0.75 (-1.40%) | 41,000 |
| 24 Apr 1981 | USD | 53.751 | 53.751 | 53.001 | 53.751 | 0.4977 | +0.75 (+1.42%) | 51,400 |
| 23 Apr 1981 | USD | 53.001 | 53.499 | 52.251 | 53.001 | 0.4908 | +0.876 (+1.68%) | 61,700 |
| 22 Apr 1981 | USD | 52.125 | 52.251 | 51.75 | 52.125 | 0.4826 | +0.126 (+0.24%) | 32,800 |
| 21 Apr 1981 | USD | 51.999 | 53.376 | 51.999 | 51.999 | 0.4815 | -1.125 (-2.12%) | 124,200 |
| 20 Apr 1981 | USD | 53.124 | 53.874 | 53.124 | 53.124 | 0.4919 | -0.75 (-1.39%) | 40,800 |
