| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Feb 1981 | USD | 29.25 | 29.754 | 29.25 | 29.25 | 1.2188 | -0.252 (-0.85%) | 9,600 |
| 3 Feb 1981 | USD | 29.502 | 29.754 | 29.502 | 29.502 | 1.2292 | 0.0 (0.0%) | 22,900 |
| 2 Feb 1981 | USD | 29.502 | 29.502 | 29.502 | 29.502 | 1.2292 | -1.998 (-6.34%) | 13,100 |
| 30 Jan 1981 | USD | 31.5 | 31.998 | 31.5 | 31.5 | 1.3125 | 0.0 (0.0%) | 1,300 |
| 29 Jan 1981 | USD | 31.5 | 31.998 | 31.5 | 31.5 | 1.3125 | -0.498 (-1.56%) | 5,500 |
| 28 Jan 1981 | USD | 31.998 | 32.502 | 31.998 | 31.998 | 1.3333 | -0.252 (-0.78%) | 18,800 |
| 27 Jan 1981 | USD | 32.25 | 32.754 | 32.25 | 32.25 | 1.3438 | 0.0 (0.0%) | 6,400 |
| 26 Jan 1981 | USD | 32.25 | 32.754 | 32.25 | 32.25 | 1.3438 | -0.504 (-1.54%) | 19,500 |
| 23 Jan 1981 | USD | 32.754 | 33 | 32.754 | 32.754 | 1.3647 | 0.0 (0.0%) | 6,700 |
| 22 Jan 1981 | USD | 32.754 | 33.252 | 32.754 | 32.754 | 1.3647 | 0.0 (0.0%) | 12,100 |
| 21 Jan 1981 | USD | 32.754 | 33.252 | 32.754 | 32.754 | 1.3647 | +0.252 (+0.78%) | 18,200 |
| 20 Jan 1981 | USD | 32.502 | 33 | 32.502 | 32.502 | 1.3542 | -0.252 (-0.77%) | 3,500 |
| 19 Jan 1981 | USD | 32.754 | 33.252 | 32.754 | 32.754 | 1.3647 | 0.0 (0.0%) | 6,500 |
| 16 Jan 1981 | USD | 32.754 | 33.252 | 32.754 | 32.754 | 1.3647 | +0.252 (+0.78%) | 3,500 |
| 15 Jan 1981 | USD | 32.502 | 33.252 | 32.502 | 32.502 | 1.3542 | +0.252 (+0.78%) | 4,700 |
| 14 Jan 1981 | USD | 32.25 | 32.754 | 32.25 | 32.25 | 1.3438 | +0.498 (+1.57%) | 14,100 |
| 13 Jan 1981 | USD | 31.752 | 32.25 | 31.752 | 31.752 | 1.323 | 0.0 (0.0%) | 5,100 |
| 12 Jan 1981 | USD | 31.752 | 32.25 | 31.752 | 31.752 | 1.323 | +0.252 (+0.80%) | 8,100 |
| 9 Jan 1981 | USD | 31.5 | 31.752 | 31.5 | 31.5 | 1.3125 | -0.75 (-2.33%) | 12,700 |
| 8 Jan 1981 | USD | 32.25 | 32.754 | 32.25 | 32.25 | 1.3438 | -2.748 (-7.85%) | 15,600 |
| 7 Jan 1981 | USD | 34.998 | 35.502 | 34.998 | 34.998 | 1.4583 | -1.254 (-3.46%) | 13,000 |
| 6 Jan 1981 | USD | 36.252 | 36.75 | 36.252 | 36.252 | 1.5105 | -0.498 (-1.36%) | 9,000 |
| 5 Jan 1981 | USD | 36.75 | 37.254 | 36.75 | 36.75 | 1.5312 | +0.252 (+0.69%) | 8,000 |
| 2 Jan 1981 | USD | 36.498 | 37.002 | 36.498 | 36.498 | 1.5208 | -0.252 (-0.69%) | 4,000 |
| 31 Dec 1980 | USD | 36.75 | 37.002 | 36.75 | 36.75 | 1.5312 | +0.252 (+0.69%) | 8,900 |
| 30 Dec 1980 | USD | 36.498 | 37.002 | 36.498 | 36.498 | 1.5208 | +0.996 (+2.81%) | 10,500 |
| 29 Dec 1980 | USD | 35.502 | 36 | 35.502 | 35.502 | 1.4792 | 0.0 (0.0%) | 9,800 |
| 26 Dec 1980 | USD | 35.502 | 36 | 35.502 | 35.502 | 1.4792 | +1.002 (+2.90%) | 6,700 |
| 24 Dec 1980 | USD | 34.5 | 34.998 | 34.5 | 34.5 | 1.4375 | +0.498 (+1.46%) | 2,500 |
| 23 Dec 1980 | USD | 34.002 | 34.5 | 34.002 | 34.002 | 1.4167 | +0.75 (+2.26%) | 13,300 |
