| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 17 Feb 1981 | USD | 26.004 | 26.25 | 25.752 | 26.004 | 43.34 | +0.004 (+0.02%) | 23,100 |
| 16 Feb 1981 | USD | 26 | 26 | 26 | 26 | 43.3333 | -0.004 (-0.02%) | 0 |
| 13 Feb 1981 | USD | 26.004 | 26.004 | 25.752 | 26.004 | 43.34 | +0.504 (+1.98%) | 26,700 |
| 12 Feb 1981 | USD | 25.5 | 25.752 | 25.5 | 25.5 | 42.5 | 0.0 (0.0%) | 38,400 |
| 11 Feb 1981 | USD | 25.5 | 25.5 | 25.254 | 25.5 | 42.5 | +0.498 (+1.99%) | 26,300 |
| 10 Feb 1981 | USD | 25.002 | 25.254 | 25.002 | 25.002 | 41.67 | -0.378 (-1.49%) | 3,500 |
| 9 Feb 1981 | USD | 25.38 | 25.38 | 25.38 | 25.38 | 42.3 | -0.246 (-0.96%) | 1,100 |
| 6 Feb 1981 | USD | 25.626 | 25.626 | 25.128 | 25.626 | 42.71 | 0.0 (0.0%) | 8,500 |
| 5 Feb 1981 | USD | 25.626 | 25.626 | 25.128 | 25.626 | 42.71 | 0.0 (0.0%) | 4,900 |
| 4 Feb 1981 | USD | 25.626 | 26.004 | 25.5 | 25.626 | 42.71 | +0.372 (+1.47%) | 41,900 |
| 3 Feb 1981 | USD | 25.254 | 25.254 | 24.75 | 25.254 | 42.09 | +0.624 (+2.53%) | 52,900 |
| 2 Feb 1981 | USD | 24.63 | 24.75 | 24.504 | 24.63 | 41.05 | -0.05 (-0.12%) | 7,300 |
| 2 Feb 1981 |
|
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| 30 Jan 1981 | USD | 32.88 | 32.88 | 32.752 | 32.88 | 41.1 | +0.128 (+0.39%) | 34,800 |
| 29 Jan 1981 | USD | 32.752 | 32.752 | 32.256 | 32.752 | 40.94 | +0.496 (+1.54%) | 55,600 |
| 28 Jan 1981 | USD | 32.256 | 32.504 | 32 | 32.256 | 40.32 | -0.248 (-0.76%) | 14,200 |
| 27 Jan 1981 | USD | 32.504 | 32.632 | 32.128 | 32.504 | 40.63 | +0.376 (+1.17%) | 8,100 |
| 26 Jan 1981 | USD | 32.128 | 32.376 | 32.128 | 32.128 | 40.16 | -0.128 (-0.40%) | 2,001 |
| 23 Jan 1981 | USD | 32.256 | 32.504 | 32 | 32.256 | 40.32 | +0.256 (+0.80%) | 11,601 |
| 22 Jan 1981 | USD | 32 | 32.88 | 32 | 32 | 40 | -0.752 (-2.30%) | 5,800 |
| 21 Jan 1981 | USD | 32.752 | 33.504 | 32.752 | 32.752 | 40.94 | -0.504 (-1.52%) | 4,000 |
| 20 Jan 1981 | USD | 33.256 | 33.752 | 33 | 33.256 | 41.57 | -0.248 (-0.74%) | 8,601 |
| 19 Jan 1981 | USD | 33.504 | 33.88 | 33.504 | 33.504 | 41.88 | +0.248 (+0.75%) | 10,701 |
| 16 Jan 1981 | USD | 33.256 | 33.256 | 33 | 33.256 | 41.57 | +0.256 (+0.78%) | 33,501 |
| 15 Jan 1981 | USD | 33 | 33.504 | 33 | 33 | 41.25 | -1 (-2.94%) | 19,000 |
| 14 Jan 1981 | USD | 34 | 34 | 33.752 | 34 | 42.5 | 0.0 (0.0%) | 3,000 |
| 13 Jan 1981 | USD | 34 | 35 | 33.752 | 34 | 42.5 | -1.256 (-3.56%) | 8,601 |
| 12 Jan 1981 | USD | 35.256 | 35.504 | 35 | 35.256 | 44.07 | +0.256 (+0.73%) | 30,900 |
| 9 Jan 1981 | USD | 35 | 35.256 | 34.752 | 35 | 43.75 | +0.496 (+1.44%) | 8,700 |
| 8 Jan 1981 | USD | 34.504 | 35 | 33 | 34.504 | 43.13 | +1.752 (+5.35%) | 83,001 |
| 7 Jan 1981 | USD | 32.752 | 32.752 | 32 | 32.752 | 40.94 | -0.504 (-1.52%) | 48,600 |
