| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 39.125 | 39.875 | 39 | 39.125 | 9.7812 | +0.5 (+1.29%) | 27,700 |
| 3 Jun 1981 | USD | 38.625 | 39.25 | 38 | 38.625 | 9.6562 | -2.5 (-6.08%) | 85,800 |
| 2 Jun 1981 | USD | 41.125 | 42.75 | 41 | 41.125 | 10.2812 | -0.875 (-2.08%) | 12,500 |
| 1 Jun 1981 | USD | 42 | 44 | 42 | 42 | 10.5 | -1 (-2.33%) | 28,700 |
| 29 May 1981 | USD | 43 | 46 | 43 | 43 | 10.75 | -3.125 (-6.78%) | 8,700 |
| 28 May 1981 | USD | 46.125 | 47 | 45.5 | 46.125 | 11.5312 | -0.625 (-1.34%) | 9,200 |
| 27 May 1981 | USD | 46.75 | 46.75 | 45.875 | 46.75 | 11.6875 | +0.75 (+1.63%) | 36,100 |
| 26 May 1981 | USD | 46 | 46 | 45 | 46 | 11.5 | +0.25 (+0.55%) | 55,100 |
| 25 May 1981 | USD | 45.75 | 45.75 | 45.75 | 45.75 | 11.4375 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 45.75 | 47.5 | 45.75 | 45.75 | 11.4375 | -1.875 (-3.94%) | 25,500 |
| 21 May 1981 | USD | 47.625 | 48 | 47.125 | 47.625 | 11.9062 | +0.875 (+1.87%) | 27,900 |
| 20 May 1981 | USD | 46.75 | 46.75 | 44.75 | 46.75 | 11.6875 | +1.875 (+4.18%) | 28,200 |
| 19 May 1981 | USD | 44.875 | 45 | 44.625 | 44.875 | 11.2188 | -0.25 (-0.55%) | 5,300 |
| 18 May 1981 | USD | 45.125 | 46 | 45 | 45.125 | 11.2812 | -0.875 (-1.90%) | 15,500 |
| 15 May 1981 | USD | 46 | 46.75 | 45.375 | 46 | 11.5 | -0.5 (-1.08%) | 18,800 |
| 14 May 1981 | USD | 46.5 | 46.75 | 45.125 | 46.5 | 11.625 | +1.25 (+2.76%) | 5,600 |
| 13 May 1981 | USD | 45.25 | 46 | 44.75 | 45.25 | 11.3125 | +0.25 (+0.56%) | 29,200 |
| 12 May 1981 | USD | 45 | 45 | 44.25 | 45 | 11.25 | -0.75 (-1.64%) | 27,500 |
| 11 May 1981 | USD | 45.75 | 47 | 45.75 | 45.75 | 11.4375 | -1.5 (-3.17%) | 4,500 |
| 8 May 1981 | USD | 47.25 | 48.5 | 47.25 | 47.25 | 11.8125 | -1.25 (-2.58%) | 11,400 |
| 7 May 1981 | USD | 48.5 | 49 | 47.625 | 48.5 | 12.125 | +0.125 (+0.26%) | 27,800 |
| 6 May 1981 | USD | 48.375 | 48.625 | 46.25 | 48.375 | 12.0938 | +2.375 (+5.16%) | 25,600 |
| 5 May 1981 | USD | 46 | 46 | 44.75 | 46 | 11.5 | +0.5 (+1.10%) | 18,800 |
| 4 May 1981 | USD | 45.5 | 45.5 | 42.5 | 45.5 | 11.375 | +1 (+2.25%) | 13,800 |
| 1 May 1981 | USD | 44.5 | 45 | 44 | 44.5 | 11.125 | +0.5 (+1.14%) | 7,400 |
| 30 Apr 1981 | USD | 44 | 44 | 42 | 44 | 11 | +2.5 (+6.02%) | 20,600 |
| 29 Apr 1981 | USD | 41.5 | 41.875 | 41.125 | 41.5 | 10.375 | -0.125 (-0.30%) | 23,200 |
| 28 Apr 1981 | USD | 41.625 | 42.75 | 41.25 | 41.625 | 10.4062 | -0.625 (-1.48%) | 20,100 |
| 27 Apr 1981 | USD | 42.25 | 43.25 | 42 | 42.25 | 10.5625 | -0.75 (-1.74%) | 23,300 |
| 24 Apr 1981 | USD | 43 | 44.5 | 40.75 | 43 | 10.75 | -1.5 (-3.37%) | 41,500 |
