| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 11 Mar 1981 | USD | 45.125 | 47 | 45 | 45.125 | 11.2812 | -0.5 (-1.10%) | 31,100 |
| 10 Mar 1981 | USD | 45.625 | 46.5 | 45.625 | 45.625 | 11.4062 | -0.375 (-0.82%) | 18,200 |
| 9 Mar 1981 | USD | 46 | 46 | 44.5 | 46 | 11.5 | +1.5 (+3.37%) | 7,200 |
| 6 Mar 1981 | USD | 44.5 | 44.875 | 44.125 | 44.5 | 11.125 | -0.125 (-0.28%) | 14,100 |
| 5 Mar 1981 | USD | 44.625 | 45.625 | 44.625 | 44.625 | 11.1562 | -1 (-2.19%) | 25,200 |
| 4 Mar 1981 | USD | 45.625 | 46.25 | 45.5 | 45.625 | 11.4062 | -0.625 (-1.35%) | 33,800 |
| 3 Mar 1981 | USD | 46.25 | 47.375 | 46.25 | 46.25 | 11.5625 | -0.5 (-1.07%) | 26,900 |
| 2 Mar 1981 | USD | 46.75 | 46.875 | 45 | 46.75 | 11.6875 | +1.75 (+3.89%) | 26,100 |
| 27 Feb 1981 | USD | 45 | 45.25 | 44.625 | 45 | 11.25 | +1 (+2.27%) | 31,300 |
| 26 Feb 1981 | USD | 44 | 44 | 42.375 | 44 | 11 | +2.625 (+6.34%) | 29,700 |
| 25 Feb 1981 | USD | 41.375 | 41.375 | 40.25 | 41.375 | 10.3438 | +0.375 (+0.91%) | 49,100 |
| 24 Feb 1981 | USD | 41 | 42.5 | 40.75 | 41 | 10.25 | -1.875 (-4.37%) | 37,200 |
| 23 Feb 1981 | USD | 42.875 | 42.875 | 41.875 | 42.875 | 10.7188 | +0.75 (+1.78%) | 52,300 |
| 20 Feb 1981 | USD | 42.125 | 44.25 | 41.875 | 42.125 | 10.5312 | -2.375 (-5.34%) | 23,800 |
| 19 Feb 1981 | USD | 44.5 | 46.125 | 44.5 | 44.5 | 11.125 | -1.625 (-3.52%) | 26,500 |
| 18 Feb 1981 | USD | 46.125 | 46.25 | 44.875 | 46.125 | 11.5312 | +1.125 (+2.50%) | 101,700 |
| 17 Feb 1981 | USD | 45 | 46 | 41.75 | 45 | 11.25 | +2.875 (+6.82%) | 87,200 |
| 16 Feb 1981 | USD | 42.125 | 42.125 | 42.125 | 42.125 | 10.5312 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 42.125 | 42.125 | 41 | 42.125 | 10.5312 | +0.5 (+1.20%) | 23,100 |
| 12 Feb 1981 | USD | 41.625 | 42.125 | 41.25 | 41.625 | 10.4062 | +0.125 (+0.30%) | 35,200 |
| 11 Feb 1981 | USD | 41.5 | 42.5 | 41.5 | 41.5 | 10.375 | -1 (-2.35%) | 54,800 |
| 10 Feb 1981 | USD | 42.5 | 42.5 | 41.5 | 42.5 | 10.625 | +1 (+2.41%) | 9,500 |
| 9 Feb 1981 | USD | 41.5 | 43.5 | 41.5 | 41.5 | 10.375 | -2 (-4.60%) | 19,200 |
| 6 Feb 1981 | USD | 43.5 | 44.25 | 43.5 | 43.5 | 10.875 | -1 (-2.25%) | 21,900 |
| 5 Feb 1981 | USD | 44.5 | 44.5 | 43.5 | 44.5 | 11.125 | +1.625 (+3.79%) | 27,200 |
| 4 Feb 1981 | USD | 42.875 | 43 | 41.5 | 42.875 | 10.7188 | +1.625 (+3.94%) | 83,400 |
| 3 Feb 1981 | USD | 41.25 | 41.75 | 40.5 | 41.25 | 10.3125 | +1.25 (+3.13%) | 42,000 |
| 2 Feb 1981 | USD | 40 | 43 | 39.25 | 40 | 10 | -3.75 (-8.57%) | 30,100 |
| 30 Jan 1981 | USD | 43.75 | 44.875 | 43.75 | 43.75 | 10.9375 | -0.5 (-1.13%) | 53,800 |
| 29 Jan 1981 | USD | 44.25 | 44.5 | 43.5 | 44.25 | 11.0625 | -0.125 (-0.28%) | 5,100 |
