| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Feb 1981 | USD | 16.749 | 16.749 | 16.376 | 16.749 | 0.5234 | +0.125 (+0.75%) | 1,301 |
| 3 Feb 1981 | USD | 16.624 | 16.624 | 16 | 16.624 | 0.5195 | +0.624 (+3.90%) | 2,300 |
| 2 Feb 1981 | USD | 16 | 16.376 | 15.875 | 16 | 0.5 | 0.0 (0.0%) | 2,000 |
| 2 Feb 1981 |
|
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| 30 Jan 1981 | USD | 24 | 24.5 | 24 | 24 | 0.5 | -0.252 (-1.04%) | 2,600 |
| 29 Jan 1981 | USD | 24.252 | 24.5 | 23.748 | 24.252 | 0.5052 | +0.504 (+2.12%) | 4,500 |
| 28 Jan 1981 | USD | 23.748 | 24.128 | 23.748 | 23.748 | 0.4948 | -0.252 (-1.05%) | 4,500 |
| 27 Jan 1981 | USD | 24 | 24 | 24 | 24 | 0.5 | 0.0 (0.0%) | 300 |
| 26 Jan 1981 | USD | 24 | 24 | 23.876 | 24 | 0.5 | +0.124 (+0.52%) | 300 |
| 23 Jan 1981 | USD | 23.876 | 23.876 | 23.252 | 23.876 | 0.4974 | +0.624 (+2.68%) | 1,400 |
| 22 Jan 1981 | USD | 23.252 | 23.624 | 23.252 | 23.252 | 0.4844 | -0.252 (-1.07%) | 2,400 |
| 21 Jan 1981 | USD | 23.504 | 23.504 | 23 | 23.504 | 0.4897 | 0.0 (0.0%) | 3,800 |
| 20 Jan 1981 | USD | 23.504 | 24 | 23.504 | 23.504 | 0.4897 | -0.496 (-2.07%) | 2,300 |
| 19 Jan 1981 | USD | 24 | 24 | 23.504 | 24 | 0.5 | 0.0 (0.0%) | 6,000 |
| 16 Jan 1981 | USD | 24 | 24.128 | 24 | 24 | 0.5 | 0.0 (0.0%) | 2,000 |
| 15 Jan 1981 | USD | 24 | 24 | 23.624 | 24 | 0.5 | +0.376 (+1.59%) | 4,300 |
| 14 Jan 1981 | USD | 23.624 | 24.376 | 23.624 | 23.624 | 0.4922 | -0.252 (-1.06%) | 7,500 |
| 13 Jan 1981 | USD | 23.876 | 26.124 | 23.128 | 23.876 | 0.4974 | -2.5 (-9.48%) | 16,800 |
| 12 Jan 1981 | USD | 26.376 | 27.124 | 26.376 | 26.376 | 0.5495 | -0.128 (-0.48%) | 4,500 |
| 9 Jan 1981 | USD | 26.504 | 27.124 | 26.252 | 26.504 | 0.5522 | +0.504 (+1.94%) | 7,000 |
| 8 Jan 1981 | USD | 26 | 27.124 | 26 | 26 | 0.5417 | -0.752 (-2.81%) | 4,200 |
| 7 Jan 1981 | USD | 26.752 | 26.752 | 25.376 | 26.752 | 0.5573 | -0.876 (-3.17%) | 7,200 |
| 6 Jan 1981 | USD | 27.628 | 28.248 | 27.248 | 27.628 | 0.5756 | +0.128 (+0.47%) | 7,200 |
| 5 Jan 1981 | USD | 27.5 | 28.124 | 27 | 27.5 | 0.5729 | +0.5 (+1.85%) | 7,900 |
| 2 Jan 1981 | USD | 27 | 27 | 26.504 | 27 | 0.5625 | +0.748 (+2.85%) | 800 |
| 31 Dec 1980 | USD | 26.252 | 26.752 | 26 | 26.252 | 0.5469 | +0.252 (+0.97%) | 6,100 |
| 30 Dec 1980 | USD | 26 | 26.752 | 25.752 | 26 | 0.5417 | -0.376 (-1.43%) | 11,100 |
| 29 Dec 1980 | USD | 26.376 | 27 | 26.252 | 26.376 | 0.5495 | -0.624 (-2.31%) | 2,600 |
| 26 Dec 1980 | USD | 27 | 27.628 | 26.252 | 27 | 0.5625 | +0.624 (+2.37%) | 14,800 |
| 24 Dec 1980 | USD | 26.376 | 27.124 | 26 | 26.376 | 0.5495 | -0.5 (-1.86%) | 22,000 |
| 23 Dec 1980 | USD | 26.876 | 27.124 | 26.752 | 26.876 | 0.5599 | -0.372 (-1.37%) | 4,500 |
