| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 25 Aug 1981 | USD | 47.124 | 47.25 | 46.125 | 47.124 | 0.4363 | +0.123 (+0.26%) | 79,000 |
| 24 Aug 1981 | USD | 47.001 | 48.501 | 46.749 | 47.001 | 0.4352 | -1.5 (-3.09%) | 49,600 |
| 21 Aug 1981 | USD | 48.501 | 49.749 | 48.501 | 48.501 | 0.4491 | -1.125 (-2.27%) | 42,300 |
| 20 Aug 1981 | USD | 49.626 | 49.875 | 49.374 | 49.626 | 0.4595 | -0.123 (-0.25%) | 54,700 |
| 19 Aug 1981 | USD | 49.749 | 50.001 | 48.375 | 49.749 | 0.4606 | +1.248 (+2.57%) | 37,300 |
| 18 Aug 1981 | USD | 48.501 | 49.251 | 48.249 | 48.501 | 0.4491 | -0.498 (-1.02%) | 32,600 |
| 17 Aug 1981 | USD | 48.999 | 49.875 | 48.999 | 48.999 | 0.4537 | -1.125 (-2.24%) | 63,900 |
| 14 Aug 1981 | USD | 50.124 | 50.376 | 49.749 | 50.124 | 0.4641 | +0.498 (+1.00%) | 31,200 |
| 13 Aug 1981 | USD | 49.626 | 49.749 | 48.999 | 49.626 | 0.4595 | +0.627 (+1.28%) | 61,900 |
| 12 Aug 1981 | USD | 48.999 | 49.749 | 48.624 | 48.999 | 0.4537 | +0.624 (+1.29%) | 72,500 |
| 11 Aug 1981 | USD | 48.375 | 50.001 | 48.375 | 48.375 | 0.4479 | -1.374 (-2.76%) | 248,700 |
| 10 Aug 1981 | USD | 49.749 | 50.499 | 49.5 | 49.749 | 0.4606 | -0.627 (-1.24%) | 65,100 |
| 7 Aug 1981 | USD | 50.376 | 50.751 | 50.376 | 50.376 | 0.4664 | -0.249 (-0.49%) | 16,900 |
| 6 Aug 1981 | USD | 50.625 | 50.874 | 50.376 | 50.625 | 0.4688 | -0.126 (-0.25%) | 41,900 |
| 5 Aug 1981 | USD | 50.751 | 51 | 50.499 | 50.751 | 0.4699 | +0.252 (+0.50%) | 68,800 |
| 4 Aug 1981 | USD | 50.499 | 51 | 50.376 | 50.499 | 0.4676 | -0.501 (-0.98%) | 158,400 |
| 3 Aug 1981 | USD | 51 | 51.999 | 51 | 51 | 0.4722 | -1.251 (-2.39%) | 21,000 |
| 31 Jul 1981 | USD | 52.251 | 52.626 | 52.251 | 52.251 | 0.4838 | -0.249 (-0.47%) | 34,600 |
| 30 Jul 1981 | USD | 52.5 | 52.5 | 51.999 | 52.5 | 0.4861 | +0.249 (+0.48%) | 89,700 |
| 29 Jul 1981 | USD | 52.251 | 52.875 | 51.75 | 52.251 | 0.4838 | -0.375 (-0.71%) | 45,100 |
| 28 Jul 1981 | USD | 52.626 | 52.875 | 52.251 | 52.626 | 0.4873 | +0.252 (+0.48%) | 15,800 |
| 27 Jul 1981 | USD | 52.374 | 52.5 | 51.75 | 52.374 | 0.4849 | +0.873 (+1.70%) | 19,800 |
| 24 Jul 1981 | USD | 51.501 | 51.75 | 51 | 51.501 | 0.4769 | +0.501 (+0.98%) | 22,600 |
| 23 Jul 1981 | USD | 51 | 52.5 | 50.874 | 51 | 0.4722 | -1.5 (-2.86%) | 150,900 |
| 22 Jul 1981 | USD | 52.5 | 53.376 | 52.5 | 52.5 | 0.4861 | -0.249 (-0.47%) | 38,300 |
| 21 Jul 1981 | USD | 52.749 | 53.001 | 52.251 | 52.749 | 0.4884 | -0.126 (-0.24%) | 44,200 |
| 20 Jul 1981 | USD | 52.875 | 53.499 | 52.626 | 52.875 | 0.4896 | -0.75 (-1.40%) | 26,000 |
| 17 Jul 1981 | USD | 53.625 | 53.874 | 53.625 | 53.625 | 0.4965 | -0.249 (-0.46%) | 21,600 |
| 16 Jul 1981 | USD | 53.874 | 53.874 | 53.25 | 53.874 | 0.4988 | +0.624 (+1.17%) | 28,200 |
| 15 Jul 1981 | USD | 53.25 | 53.499 | 52.374 | 53.25 | 0.4931 | +0.501 (+0.95%) | 71,300 |
