| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Dec 1980 | USD | 27.248 | 27.752 | 27.124 | 27.248 | 0.5677 | -0.756 (-2.70%) | 5,000 |
| 19 Dec 1980 | USD | 28.004 | 28.124 | 28.004 | 28.004 | 0.5834 | 0.0 (0.0%) | 3,500 |
| 18 Dec 1980 | USD | 28.004 | 28.124 | 28.004 | 28.004 | 0.5834 | +0.252 (+0.91%) | 900 |
| 17 Dec 1980 | USD | 27.752 | 27.876 | 27 | 27.752 | 0.5782 | +0.752 (+2.79%) | 4,100 |
| 16 Dec 1980 | USD | 27 | 27.376 | 26.504 | 27 | 0.5625 | -0.124 (-0.46%) | 5,700 |
| 15 Dec 1980 | USD | 27.124 | 27.248 | 26.752 | 27.124 | 0.5651 | +0.248 (+0.92%) | 1,200 |
| 12 Dec 1980 | USD | 26.876 | 26.876 | 25.376 | 26.876 | 0.5599 | +0.5 (+1.90%) | 7,200 |
| 11 Dec 1980 | USD | 26.376 | 28.004 | 25 | 26.376 | 0.5495 | -1.872 (-6.63%) | 14,100 |
| 10 Dec 1980 | USD | 28.248 | 29.5 | 28.248 | 28.248 | 0.5885 | -1.004 (-3.43%) | 4,000 |
| 9 Dec 1980 | USD | 29.252 | 29.5 | 29 | 29.252 | 0.6094 | +0.252 (+0.87%) | 1,800 |
| 8 Dec 1980 | USD | 29 | 30.128 | 29 | 29 | 0.6042 | -0.876 (-2.93%) | 3,600 |
| 5 Dec 1980 | USD | 29.876 | 30.128 | 28.876 | 29.876 | 0.6224 | 0.0 (0.0%) | 9,400 |
| 4 Dec 1980 | USD | 29.876 | 29.876 | 28.124 | 29.876 | 0.6224 | +1.628 (+5.76%) | 3,200 |
| 3 Dec 1980 | USD | 28.248 | 28.248 | 27.752 | 28.248 | 0.5885 | +0.244 (+0.87%) | 1,800 |
| 2 Dec 1980 | USD | 28.004 | 28.004 | 27.752 | 28.004 | 0.5834 | 0.0 (0.0%) | 1,800 |
| 1 Dec 1980 | USD | 28.004 | 28.5 | 28.004 | 28.004 | 0.5834 | 0.0 (0.0%) | 3,000 |
| 28 Nov 1980 | USD | 28.004 | 29 | 28.004 | 28.004 | 0.5834 | -0.996 (-3.43%) | 3,300 |
| 27 Nov 1980 | USD | 29 | 29 | 29 | 29 | 0.6042 | 0.0 (0.0%) | 0 |
| 26 Nov 1980 | USD | 29 | 29.876 | 28.752 | 29 | 0.6042 | -0.624 (-2.11%) | 4,700 |
| 25 Nov 1980 | USD | 29.624 | 29.752 | 28.376 | 29.624 | 0.6172 | +1.124 (+3.94%) | 6,100 |
| 24 Nov 1980 | USD | 28.5 | 28.5 | 27.376 | 28.5 | 0.5938 | +1 (+3.64%) | 10,600 |
| 21 Nov 1980 | USD | 27.5 | 28.004 | 27.248 | 27.5 | 0.5729 | -0.504 (-1.80%) | 3,800 |
| 20 Nov 1980 | USD | 28.004 | 28.376 | 27.752 | 28.004 | 0.5834 | -0.244 (-0.86%) | 5,700 |
| 19 Nov 1980 | USD | 28.248 | 28.752 | 28.124 | 28.248 | 0.5885 | -0.628 (-2.17%) | 3,600 |
| 18 Nov 1980 | USD | 28.876 | 29.5 | 28.628 | 28.876 | 0.6016 | -0.624 (-2.12%) | 5,600 |
| 17 Nov 1980 | USD | 29.5 | 29.5 | 28.248 | 29.5 | 0.6146 | 0.0 (0.0%) | 6,000 |
| 14 Nov 1980 | USD | 29.5 | 30.5 | 29.252 | 29.5 | 0.6146 | -0.5 (-1.67%) | 7,100 |
| 13 Nov 1980 | USD | 30 | 30 | 28.5 | 30 | 0.625 | +1 (+3.45%) | 2,900 |
| 12 Nov 1980 | USD | 29 | 29.624 | 28.752 | 29 | 0.6042 | -0.372 (-1.27%) | 7,000 |
| 11 Nov 1980 | USD | 29.372 | 29.372 | 28.004 | 29.372 | 0.6119 | +0.996 (+3.51%) | 2,400 |
