| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 May 1981 | USD | 23.751 | 23.877 | 23.751 | 23.751 | 2.639 | 0.0 (0.0%) | 19,500 |
| 28 May 1981 | USD | 23.751 | 23.877 | 23.625 | 23.751 | 2.639 | +0.126 (+0.53%) | 55,100 |
| 27 May 1981 | USD | 23.625 | 23.877 | 23.625 | 23.625 | 2.625 | 0.0 (0.0%) | 116,300 |
| 26 May 1981 | USD | 23.625 | 23.751 | 23.001 | 23.625 | 2.625 | +0.624 (+2.71%) | 41,200 |
| 25 May 1981 | USD | 23.001 | 23.001 | 23.001 | 23.001 | 2.5557 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 23.001 | 23.25 | 22.752 | 23.001 | 2.5557 | +0.249 (+1.09%) | 31,900 |
| 21 May 1981 | USD | 22.752 | 22.875 | 22.5 | 22.752 | 2.528 | +0.126 (+0.56%) | 22,200 |
| 20 May 1981 | USD | 22.626 | 22.752 | 22.5 | 22.626 | 2.514 | 0.0 (0.0%) | 27,900 |
| 19 May 1981 | USD | 22.626 | 23.001 | 22.626 | 22.626 | 2.514 | -0.249 (-1.09%) | 25,400 |
| 18 May 1981 | USD | 22.875 | 23.001 | 22.752 | 22.875 | 2.5417 | 0.0 (0.0%) | 54,800 |
| 15 May 1981 | USD | 22.875 | 23.001 | 22.5 | 22.875 | 2.5417 | +0.375 (+1.67%) | 34,100 |
| 14 May 1981 | USD | 22.5 | 22.752 | 22.125 | 22.5 | 2.5 | +0.498 (+2.26%) | 80,400 |
| 13 May 1981 | USD | 22.002 | 22.125 | 21.876 | 22.002 | 2.4447 | 0.0 (0.0%) | 5,300 |
| 12 May 1981 | USD | 22.002 | 22.125 | 21.75 | 22.002 | 2.4447 | +0.252 (+1.16%) | 8,400 |
| 11 May 1981 | USD | 21.75 | 22.002 | 21.75 | 21.75 | 2.4167 | -0.375 (-1.69%) | 13,300 |
| 8 May 1981 | USD | 22.125 | 22.251 | 21.876 | 22.125 | 2.4583 | +0.123 (+0.56%) | 29,000 |
| 7 May 1981 | USD | 22.002 | 22.002 | 21.75 | 22.002 | 2.4447 | +0.252 (+1.16%) | 20,600 |
| 6 May 1981 | USD | 21.75 | 22.002 | 21.75 | 21.75 | 2.4167 | 0.0 (0.0%) | 59,800 |
| 5 May 1981 | USD | 21.75 | 22.002 | 21.75 | 21.75 | 2.4167 | -0.501 (-2.25%) | 101,200 |
| 4 May 1981 | USD | 22.251 | 22.251 | 21.501 | 22.251 | 2.4723 | -0.249 (-1.11%) | 91,600 |
| 1 May 1981 | USD | 22.5 | 23.001 | 22.251 | 22.5 | 2.5 | -0.501 (-2.18%) | 15,800 |
| 30 Apr 1981 | USD | 23.001 | 23.127 | 22.875 | 23.001 | 2.5557 | 0.0 (0.0%) | 35,700 |
| 29 Apr 1981 | USD | 23.001 | 23.25 | 23.001 | 23.001 | 2.5557 | -0.126 (-0.54%) | 17,500 |
| 28 Apr 1981 | USD | 23.127 | 23.127 | 22.875 | 23.127 | 2.5697 | -0.123 (-0.53%) | 9,300 |
| 27 Apr 1981 | USD | 23.25 | 23.25 | 23.001 | 23.25 | 2.5833 | +0.249 (+1.08%) | 10,800 |
| 24 Apr 1981 | USD | 23.001 | 23.127 | 22.875 | 23.001 | 2.5557 | +0.126 (+0.55%) | 51,800 |
| 23 Apr 1981 | USD | 22.875 | 22.875 | 22.752 | 22.875 | 2.5417 | +0.249 (+1.10%) | 5,800 |
| 22 Apr 1981 | USD | 22.626 | 22.875 | 22.626 | 22.626 | 2.514 | -0.126 (-0.55%) | 4,000 |
| 21 Apr 1981 | USD | 22.752 | 22.875 | 22.626 | 22.752 | 2.528 | +0.252 (+1.12%) | 7,700 |
| 20 Apr 1981 | USD | 22.5 | 22.752 | 22.5 | 22.5 | 2.5 | -0.126 (-0.56%) | 6,000 |
