| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 Jan 1981 | USD | 20.752 | 21.256 | 20.752 | 20.752 | 0.6485 | +1 (+5.06%) | 19,100 |
| 28 Jan 1981 | USD | 19.752 | 20.256 | 19.752 | 19.752 | 0.6172 | 0.0 (0.0%) | 7,500 |
| 27 Jan 1981 | USD | 19.752 | 20 | 19.752 | 19.752 | 0.6172 | 0.0 (0.0%) | 4,400 |
| 26 Jan 1981 | USD | 19.752 | 20 | 19.752 | 19.752 | 0.6172 | 0.0 (0.0%) | 6,000 |
| 23 Jan 1981 | USD | 19.752 | 20 | 19.752 | 19.752 | 0.6172 | -0.248 (-1.24%) | 2,800 |
| 22 Jan 1981 | USD | 20 | 20.256 | 20 | 20 | 0.625 | +0.248 (+1.26%) | 1,700 |
| 21 Jan 1981 | USD | 19.752 | 20.256 | 19.752 | 19.752 | 0.6172 | -0.248 (-1.24%) | 1,900 |
| 20 Jan 1981 | USD | 20 | 20.504 | 20 | 20 | 0.625 | -0.256 (-1.26%) | 5,600 |
| 19 Jan 1981 | USD | 20.256 | 20.752 | 20.256 | 20.256 | 0.633 | -0.248 (-1.21%) | 7,600 |
| 16 Jan 1981 | USD | 20.504 | 21 | 20.504 | 20.504 | 0.6408 | 0.0 (0.0%) | 3,200 |
| 15 Jan 1981 | USD | 20.504 | 21 | 20.504 | 20.504 | 0.6408 | 0.0 (0.0%) | 4,900 |
| 14 Jan 1981 | USD | 20.504 | 20.752 | 20.504 | 20.504 | 0.6408 | -0.248 (-1.20%) | 16,400 |
| 13 Jan 1981 | USD | 20.752 | 21 | 20.752 | 20.752 | 0.6485 | -0.248 (-1.18%) | 2,300 |
| 12 Jan 1981 | USD | 21 | 21.256 | 21 | 21 | 0.6562 | 0.0 (0.0%) | 500 |
| 9 Jan 1981 | USD | 21 | 21.256 | 21 | 21 | 0.6562 | +0.248 (+1.20%) | 2,400 |
| 8 Jan 1981 | USD | 20.752 | 21 | 20.752 | 20.752 | 0.6485 | 0.0 (0.0%) | 3,000 |
| 7 Jan 1981 | USD | 20.752 | 21 | 20.752 | 20.752 | 0.6485 | -1.504 (-6.76%) | 17,400 |
| 6 Jan 1981 | USD | 22.256 | 22.752 | 22.256 | 22.256 | 0.6955 | 0.0 (0.0%) | 6,600 |
| 5 Jan 1981 | USD | 22.256 | 22.504 | 22.256 | 22.256 | 0.6955 | 0.0 (0.0%) | 2,000 |
| 2 Jan 1981 | USD | 22.256 | 22.752 | 22.256 | 22.256 | 0.6955 | -0.248 (-1.10%) | 16,900 |
| 31 Dec 1980 | USD | 22.504 | 22.752 | 22.504 | 22.504 | 0.7033 | +2 (+9.75%) | 11,100 |
| 30 Dec 1980 | USD | 20.504 | 21 | 20.504 | 20.504 | 0.6408 | 0.0 (0.0%) | 2,300 |
| 29 Dec 1980 | USD | 20.504 | 21 | 20.504 | 20.504 | 0.6408 | 0.0 (0.0%) | 6,200 |
| 26 Dec 1980 | USD | 20.504 | 21 | 20.504 | 20.504 | 0.6408 | 0.0 (0.0%) | 1,800 |
| 24 Dec 1980 | USD | 20.504 | 20.752 | 20.504 | 20.504 | 0.6408 | 0.0 (0.0%) | 200 |
| 23 Dec 1980 | USD | 20.504 | 20.752 | 20.504 | 20.504 | 0.6408 | +1 (+5.13%) | 18,300 |
| 22 Dec 1980 | USD | 19.504 | 19.752 | 19.504 | 19.504 | 0.6095 | 0.0 (0.0%) | 4,600 |
| 19 Dec 1980 | USD | 19.504 | 19.752 | 19.504 | 19.504 | 0.6095 | +0.504 (+2.65%) | 2,300 |
| 18 Dec 1980 | USD | 19 | 19.256 | 19 | 19 | 0.5938 | 0.0 (0.0%) | 11,600 |
| 17 Dec 1980 | USD | 19 | 19.256 | 19 | 19 | 0.5938 | +0.496 (+2.68%) | 12,200 |
