| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 47.5 | 47.628 | 47.128 | 47.5 | 2.9688 | +0.124 (+0.26%) | 21,500 |
| 3 Jun 1981 | USD | 47.376 | 48.752 | 47 | 47.376 | 2.961 | -1.624 (-3.31%) | 25,700 |
| 2 Jun 1981 | USD | 49 | 50 | 48 | 49 | 3.0625 | -1.252 (-2.49%) | 42,200 |
| 1 Jun 1981 | USD | 50.252 | 51.876 | 50.252 | 50.252 | 3.1408 | -1 (-1.95%) | 70,800 |
| 29 May 1981 | USD | 51.252 | 51.5 | 50.752 | 51.252 | 3.2033 | -0.5 (-0.97%) | 13,300 |
| 28 May 1981 | USD | 51.752 | 52.752 | 51.752 | 51.752 | 3.2345 | -0.624 (-1.19%) | 17,100 |
| 27 May 1981 | USD | 52.376 | 53.752 | 52.252 | 52.376 | 3.2735 | -0.876 (-1.65%) | 25,000 |
| 26 May 1981 | USD | 53.252 | 53.252 | 52.628 | 53.252 | 3.3283 | 0.0 (0.0%) | 27,800 |
| 25 May 1981 | USD | 53.252 | 53.252 | 53.252 | 53.252 | 3.3283 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 53.252 | 53.876 | 52.752 | 53.252 | 3.3283 | -0.748 (-1.39%) | 24,300 |
| 21 May 1981 | USD | 54 | 54.376 | 53.128 | 54 | 3.375 | -0.376 (-0.69%) | 50,100 |
| 20 May 1981 | USD | 54.376 | 54.5 | 51.252 | 54.376 | 3.3985 | +3.376 (+6.62%) | 91,500 |
| 19 May 1981 | USD | 51 | 51.252 | 50 | 51 | 3.1875 | +0.872 (+1.74%) | 40,900 |
| 18 May 1981 | USD | 50.128 | 50.376 | 49.876 | 50.128 | 3.133 | -0.124 (-0.25%) | 21,800 |
| 15 May 1981 | USD | 50.252 | 50.5 | 49.752 | 50.252 | 3.1408 | +0.252 (+0.50%) | 46,800 |
| 14 May 1981 | USD | 50 | 51.252 | 49.252 | 50 | 3.125 | +0.5 (+1.01%) | 65,900 |
| 13 May 1981 | USD | 49.5 | 50 | 48.752 | 49.5 | 3.0938 | +0.248 (+0.50%) | 23,400 |
| 12 May 1981 | USD | 49.252 | 49.752 | 49 | 49.252 | 3.0783 | -0.376 (-0.76%) | 48,900 |
| 11 May 1981 | USD | 49.628 | 51.376 | 49.628 | 49.628 | 3.1018 | -1.372 (-2.69%) | 23,300 |
| 8 May 1981 | USD | 51 | 51.252 | 50.628 | 51 | 3.1875 | 0.0 (0.0%) | 51,700 |
| 7 May 1981 | USD | 51 | 51.252 | 49.752 | 51 | 3.1875 | +1.124 (+2.25%) | 54,800 |
| 6 May 1981 | USD | 49.876 | 50.5 | 49.752 | 49.876 | 3.1172 | +0.248 (+0.50%) | 44,800 |
| 5 May 1981 | USD | 49.628 | 50.252 | 49.5 | 49.628 | 3.1018 | -1.5 (-2.93%) | 58,600 |
| 4 May 1981 | USD | 51.128 | 52 | 50.752 | 51.128 | 3.1955 | -0.872 (-1.68%) | 33,500 |
| 1 May 1981 | USD | 52 | 52.752 | 50.752 | 52 | 3.25 | +1 (+1.96%) | 76,600 |
| 30 Apr 1981 | USD | 51 | 51.376 | 50.628 | 51 | 3.1875 | +0.124 (+0.24%) | 47,300 |
| 29 Apr 1981 | USD | 50.876 | 52 | 50.5 | 50.876 | 3.1797 | -1.752 (-3.33%) | 39,600 |
| 28 Apr 1981 | USD | 52.628 | 54.252 | 51.752 | 52.628 | 3.2893 | -1.872 (-3.43%) | 37,000 |
| 27 Apr 1981 | USD | 54.5 | 55.252 | 54 | 54.5 | 3.4062 | 0.0 (0.0%) | 68,000 |
| 24 Apr 1981 | USD | 54.5 | 54.752 | 53.5 | 54.5 | 3.4062 | +0.372 (+0.69%) | 62,200 |
