| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 5 Mar 1981 | USD | 21 | 21.252 | 21 | 21 | 0.1641 | -1.5 (-6.67%) | 14,900 |
| 4 Mar 1981 | USD | 22.5 | 22.752 | 22.5 | 22.5 | 0.1758 | +0.248 (+1.11%) | 42,600 |
| 3 Mar 1981 | USD | 22.252 | 22.5 | 22.252 | 22.252 | 0.1738 | +0.252 (+1.15%) | 22,700 |
| 2 Mar 1981 | USD | 22 | 22.5 | 22 | 22 | 0.1719 | +1.5 (+7.32%) | 27,700 |
| 27 Feb 1981 | USD | 20.5 | 20.752 | 20.5 | 20.5 | 0.1602 | +0.248 (+1.22%) | 20,400 |
| 26 Feb 1981 | USD | 20.252 | 21 | 20.252 | 20.252 | 0.1582 | -0.5 (-2.41%) | 17,400 |
| 25 Feb 1981 | USD | 20.752 | 21 | 20.752 | 20.752 | 0.1621 | -0.5 (-2.35%) | 46,700 |
| 24 Feb 1981 | USD | 21.252 | 21.5 | 21.252 | 21.252 | 0.166 | -0.5 (-2.30%) | 12,300 |
| 23 Feb 1981 | USD | 21.752 | 22 | 21.752 | 21.752 | 0.1699 | -0.5 (-2.25%) | 19,900 |
| 20 Feb 1981 | USD | 22.252 | 22.5 | 22.252 | 22.252 | 0.1738 | +0.752 (+3.50%) | 71,200 |
| 19 Feb 1981 | USD | 21.5 | 22 | 21.5 | 21.5 | 0.168 | -1.5 (-6.52%) | 13,600 |
| 18 Feb 1981 | USD | 23 | 23.252 | 23 | 23 | 0.1797 | -0.752 (-3.17%) | 24,500 |
| 17 Feb 1981 | USD | 23.752 | 24 | 23.752 | 23.752 | 0.1856 | 0.0 (0.0%) | 5,100 |
| 16 Feb 1981 | USD | 23.752 | 23.752 | 23.752 | 23.752 | 0.1856 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 23.752 | 24 | 23.752 | 23.752 | 0.1856 | -0.5 (-2.06%) | 9,600 |
| 12 Feb 1981 | USD | 24.252 | 24.5 | 24.252 | 24.252 | 0.1895 | -0.748 (-2.99%) | 12,400 |
| 11 Feb 1981 | USD | 25 | 25.252 | 25 | 25 | 0.1953 | 0.0 (0.0%) | 24,600 |
| 10 Feb 1981 | USD | 25 | 25.252 | 25 | 25 | 0.1953 | +0.748 (+3.08%) | 14,200 |
| 9 Feb 1981 | USD | 24.252 | 24.752 | 24.252 | 24.252 | 0.1895 | +0.5 (+2.11%) | 15,000 |
| 6 Feb 1981 | USD | 23.752 | 24 | 23.752 | 23.752 | 0.1856 | +0.006 (+3.27%) | 14,500 |
| 6 Feb 1981 |
|
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| 5 Feb 1981 | USD | 34.5 | 34.752 | 34.5 | 34.5 | 0.1797 | +1.5 (+4.55%) | 16,100 |
| 4 Feb 1981 | USD | 33 | 33.504 | 33 | 33 | 0.1719 | +0.498 (+1.53%) | 13,300 |
| 3 Feb 1981 | USD | 32.502 | 33 | 32.502 | 32.502 | 0.1693 | +1.002 (+3.18%) | 22,700 |
| 2 Feb 1981 | USD | 31.5 | 32.004 | 31.5 | 31.5 | 0.1641 | -2.754 (-8.04%) | 48,200 |
| 30 Jan 1981 | USD | 34.254 | 34.752 | 34.254 | 34.254 | 0.1784 | -3 (-8.05%) | 63,200 |
| 29 Jan 1981 | USD | 37.254 | 37.5 | 37.254 | 37.254 | 0.194 | -0.75 (-1.97%) | 11,700 |
| 28 Jan 1981 | USD | 38.004 | 38.502 | 38.004 | 38.004 | 0.1979 | -1.248 (-3.18%) | 10,400 |
| 27 Jan 1981 | USD | 39.252 | 39.75 | 39.252 | 39.252 | 0.2044 | 0.0 (0.0%) | 9,500 |
| 26 Jan 1981 | USD | 39.252 | 39.75 | 39.252 | 39.252 | 0.2044 | 0.0 (0.0%) | 10,500 |
| 23 Jan 1981 | USD | 39.252 | 39.75 | 39.252 | 39.252 | 0.2044 | 0.0 (0.0%) | 17,100 |
