| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 Dec 1980 | USD | 19.5 | 19.752 | 19.5 | 19.5 | 0.1523 | +0.748 (+3.99%) | 78,400 |
| 18 Dec 1980 | USD | 18.752 | 19.252 | 18.752 | 18.752 | 0.1465 | +0.5 (+2.74%) | 87,900 |
| 17 Dec 1980 | USD | 18.252 | 18.752 | 18.252 | 18.252 | 0.1426 | -0.748 (-3.94%) | 36,500 |
| 16 Dec 1980 | USD | 19 | 19.5 | 19 | 19 | 0.1484 | -0.5 (-2.56%) | 51,800 |
| 15 Dec 1980 | USD | 19.5 | 19.752 | 19.5 | 19.5 | 0.1523 | +0.748 (+3.99%) | 51,900 |
| 12 Dec 1980 | USD | 18.752 | 19 | 18.752 | 18.752 | 0.1465 | +0.752 (+4.18%) | 63,700 |
| 11 Dec 1980 | USD | 18 | 18.5 | 18 | 18 | 0.1406 | -1 (-5.26%) | 42,500 |
| 10 Dec 1980 | USD | 19 | 19.752 | 19 | 19 | 0.1484 | -1.252 (-6.18%) | 45,900 |
| 9 Dec 1980 | USD | 20.252 | 20.752 | 20.252 | 20.252 | 0.1582 | -0.5 (-2.41%) | 45,500 |
| 8 Dec 1980 | USD | 20.752 | 21 | 20.752 | 20.752 | 0.1621 | -1.248 (-5.67%) | 42,300 |
| 5 Dec 1980 | USD | 22 | 22.5 | 22 | 22 | 0.1719 | -1.252 (-5.38%) | 59,300 |
| 4 Dec 1980 | USD | 23.252 | 23.5 | 23.252 | 23.252 | 0.1817 | +0.752 (+3.34%) | 177,300 |
| 3 Dec 1980 | USD | 22.5 | 22.752 | 22.5 | 22.5 | 0.1758 | -0.5 (-2.17%) | 196,700 |
| 2 Dec 1980 | USD | 23 | 23.5 | 23 | 23 | 0.1797 | 0.0 (0.0%) | 786,800 |
