| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 13 Mar 1981 | USD | 35.001 | 35.25 | 35.001 | 35.001 | 0.3646 | +0.501 (+1.45%) | 110,100 |
| 12 Mar 1981 | USD | 34.5 | 35.001 | 34.5 | 34.5 | 0.3594 | +1.749 (+5.34%) | 96,000 |
| 11 Mar 1981 | USD | 32.751 | 33.249 | 32.751 | 32.751 | 0.3412 | -1.5 (-4.38%) | 169,900 |
| 10 Mar 1981 | USD | 34.251 | 34.5 | 34.251 | 34.251 | 0.3568 | +0.501 (+1.48%) | 110,900 |
| 9 Mar 1981 | USD | 33.75 | 33.999 | 33.75 | 33.75 | 0.3516 | 0.0 (0.0%) | 104,600 |
| 6 Mar 1981 | USD | 33.75 | 33.999 | 33.75 | 33.75 | 0.3516 | 0.0 (0.0%) | 149,400 |
| 5 Mar 1981 | USD | 33.75 | 33.999 | 33.75 | 33.75 | 0.3516 | -0.999 (-2.87%) | 87,100 |
| 4 Mar 1981 | USD | 34.749 | 35.001 | 34.749 | 34.749 | 0.362 | -0.501 (-1.42%) | 183,600 |
| 3 Mar 1981 | USD | 35.25 | 35.499 | 35.25 | 35.25 | 0.3672 | -0.75 (-2.08%) | 219,900 |
| 2 Mar 1981 | USD | 36 | 36.501 | 36 | 36 | 0.375 | +0.999 (+2.85%) | 199,100 |
| 27 Feb 1981 | USD | 35.001 | 35.25 | 35.001 | 35.001 | 0.3646 | +2.001 (+6.06%) | 375,600 |
| 26 Feb 1981 | USD | 33 | 33.249 | 33 | 33 | 0.3438 | -0.501 (-1.50%) | 338,800 |
| 25 Feb 1981 | USD | 33.501 | 33.999 | 33.501 | 33.501 | 0.349 | -3.75 (-10.07%) | 809,600 |
| 24 Feb 1981 | USD | 37.251 | 37.5 | 37.251 | 37.251 | 0.388 | -0.249 (-0.66%) | 197,100 |
| 23 Feb 1981 | USD | 37.5 | 37.749 | 37.5 | 37.5 | 0.3906 | -0.501 (-1.32%) | 133,000 |
| 20 Feb 1981 | USD | 38.001 | 38.25 | 38.001 | 38.001 | 0.3958 | -1.749 (-4.40%) | 167,700 |
| 19 Feb 1981 | USD | 39.75 | 39.999 | 39.75 | 39.75 | 0.4141 | 0.0 (0.0%) | 145,300 |
| 18 Feb 1981 | USD | 39.75 | 39.999 | 39.75 | 39.75 | 0.4141 | +0.249 (+0.63%) | 115,000 |
| 17 Feb 1981 | USD | 39.501 | 39.999 | 39.501 | 39.501 | 0.4115 | +1.002 (+2.60%) | 50,200 |
| 16 Feb 1981 | USD | 38.499 | 38.499 | 38.499 | 38.499 | 0.401 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 38.499 | 38.751 | 38.499 | 38.499 | 0.401 | 0.0 (0.0%) | 58,100 |
| 12 Feb 1981 | USD | 38.499 | 38.751 | 38.499 | 38.499 | 0.401 | -1.251 (-3.15%) | 71,600 |
| 11 Feb 1981 | USD | 39.75 | 39.999 | 39.75 | 39.75 | 0.4141 | -0.75 (-1.85%) | 66,400 |
| 10 Feb 1981 | USD | 40.5 | 40.749 | 40.5 | 40.5 | 0.4219 | +0.501 (+1.25%) | 74,300 |
| 9 Feb 1981 | USD | 39.999 | 40.5 | 39.999 | 39.999 | 0.4167 | 0.0 (0.0%) | 97,000 |
| 6 Feb 1981 | USD | 39.999 | 40.5 | 39.999 | 39.999 | 0.4167 | +0.498 (+1.26%) | 114,200 |
| 5 Feb 1981 | USD | 39.501 | 39.75 | 39.501 | 39.501 | 0.4115 | +1.002 (+2.60%) | 121,900 |
| 4 Feb 1981 | USD | 38.499 | 39 | 38.499 | 38.499 | 0.401 | +0.999 (+2.66%) | 88,000 |
| 3 Feb 1981 | USD | 37.5 | 37.749 | 37.5 | 37.5 | 0.3906 | +1.5 (+4.17%) | 118,000 |
| 2 Feb 1981 | USD | 36 | 36.249 | 36 | 36 | 0.375 | -1.251 (-3.36%) | 181,600 |
