| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Apr 1981 | USD | 30.75 | 31.25 | 30.25 | 30.75 | 10.25 | +0.25 (+0.82%) | 245,000 |
| 21 Apr 1981 | USD | 30.5 | 31.5 | 30.25 | 30.5 | 10.1667 | -1.625 (-5.06%) | 210,400 |
| 20 Apr 1981 | USD | 32.125 | 32.125 | 30.75 | 32.125 | 10.7083 | -0.25 (-0.77%) | 157,700 |
| 17 Apr 1981 | USD | 32.375 | 32.375 | 32.375 | 32.375 | 10.7917 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 32.375 | 33.375 | 32.125 | 32.375 | 10.7917 | +0.125 (+0.39%) | 205,800 |
| 15 Apr 1981 | USD | 32.25 | 32.5 | 31.625 | 32.25 | 10.75 | +0.875 (+2.79%) | 208,400 |
| 14 Apr 1981 | USD | 31.375 | 31.5 | 30.25 | 31.375 | 10.4583 | +1.25 (+4.15%) | 342,500 |
| 13 Apr 1981 | USD | 30.125 | 32 | 29.875 | 30.125 | 10.0417 | -2.75 (-8.37%) | 296,300 |
| 10 Apr 1981 | USD | 32.875 | 33.875 | 32.5 | 32.875 | 10.9583 | -1.25 (-3.66%) | 149,900 |
| 9 Apr 1981 | USD | 34.125 | 35.375 | 33.375 | 34.125 | 11.375 | -1.375 (-3.87%) | 387,600 |
| 8 Apr 1981 | USD | 35.5 | 35.75 | 35.375 | 35.5 | 11.8333 | 0.0 (0.0%) | 62,600 |
| 7 Apr 1981 | USD | 35.5 | 36.25 | 35.25 | 35.5 | 11.8333 | -0.5 (-1.39%) | 117,800 |
| 6 Apr 1981 | USD | 36 | 36.25 | 35.5 | 36 | 12 | -0.5 (-1.37%) | 51,700 |
| 3 Apr 1981 | USD | 36.5 | 37.125 | 36.25 | 36.5 | 12.1667 | -0.625 (-1.68%) | 212,800 |
| 2 Apr 1981 | USD | 37.125 | 37.25 | 36 | 37.125 | 12.375 | +1 (+2.77%) | 182,100 |
| 1 Apr 1981 | USD | 36.125 | 36.125 | 35.375 | 36.125 | 12.0417 | +0.125 (+0.35%) | 83,300 |
| 31 Mar 1981 | USD | 36 | 36.375 | 35.375 | 36 | 12 | +0.875 (+2.49%) | 150,400 |
| 30 Mar 1981 | USD | 35.125 | 36.75 | 35.125 | 35.125 | 11.7083 | -1.25 (-3.44%) | 125,800 |
| 27 Mar 1981 | USD | 36.375 | 37 | 36.125 | 36.375 | 12.125 | -0.625 (-1.69%) | 77,100 |
| 26 Mar 1981 | USD | 37 | 38.125 | 36.5 | 37 | 12.3333 | -0.875 (-2.31%) | 247,400 |
| 25 Mar 1981 | USD | 37.875 | 38 | 36.125 | 37.875 | 12.625 | +1.5 (+4.12%) | 213,300 |
| 24 Mar 1981 | USD | 36.375 | 36.875 | 36 | 36.375 | 12.125 | +0.125 (+0.34%) | 307,200 |
| 23 Mar 1981 | USD | 36.25 | 36.25 | 34.75 | 36.25 | 12.0833 | +1.25 (+3.57%) | 281,900 |
| 20 Mar 1981 | USD | 35 | 35.375 | 34.625 | 35 | 11.6667 | +0.125 (+0.36%) | 144,500 |
| 19 Mar 1981 | USD | 34.875 | 35.125 | 34 | 34.875 | 11.625 | -0.875 (-2.45%) | 279,100 |
| 18 Mar 1981 | USD | 35.75 | 37.75 | 35.75 | 35.75 | 11.9167 | -1.5 (-4.03%) | 137,000 |
| 17 Mar 1981 | USD | 37.25 | 37.625 | 36.625 | 37.25 | 12.4167 | +0.25 (+0.68%) | 307,100 |
| 16 Mar 1981 | USD | 37 | 37 | 35.75 | 37 | 12.3333 | 0.0 (0.0%) | 157,500 |
| 13 Mar 1981 | USD | 37 | 37.75 | 36.875 | 37 | 12.3333 | -0.375 (-1.00%) | 251,900 |
| 12 Mar 1981 | USD | 37.375 | 37.375 | 35 | 37.375 | 12.4583 | +2.375 (+6.79%) | 276,300 |
