| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 7 Jan 1981 | USD | 27.75 | 28.25 | 27.75 | 27.75 | 138.75 | -1.25 (-4.31%) | 8,300 |
| 6 Jan 1981 | USD | 29 | 29.5 | 29 | 29 | 145 | -0.25 (-0.85%) | 21,600 |
| 5 Jan 1981 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 146.25 | +0.5 (+1.74%) | 16,000 |
| 2 Jan 1981 | USD | 28.75 | 29.25 | 28.75 | 28.75 | 143.75 | -0.25 (-0.86%) | 2,000 |
| 31 Dec 1980 | USD | 29 | 29.25 | 29 | 29 | 145 | -0.25 (-0.85%) | 3,100 |
| 30 Dec 1980 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 146.25 | +0.25 (+0.86%) | 1,900 |
| 29 Dec 1980 | USD | 29 | 29.75 | 29 | 29 | 145 | -0.25 (-0.85%) | 2,700 |
| 26 Dec 1980 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 146.25 | -0.25 (-0.85%) | 2,100 |
| 24 Dec 1980 | USD | 29.5 | 30 | 29.5 | 29.5 | 147.5 | -1.25 (-4.07%) | 4,200 |
| 23 Dec 1980 | USD | 30.75 | 31.25 | 30.75 | 30.75 | 153.75 | -0.75 (-2.38%) | 3,100 |
| 22 Dec 1980 | USD | 31.5 | 32 | 31.5 | 31.5 | 157.5 | +0.25 (+0.80%) | 4,300 |
| 19 Dec 1980 | USD | 31.25 | 32 | 31.25 | 31.25 | 156.25 | +2 (+6.84%) | 8,600 |
| 18 Dec 1980 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 146.25 | +1 (+3.54%) | 11,700 |
| 17 Dec 1980 | USD | 28.25 | 28.75 | 28.25 | 28.25 | 141.25 | +1.25 (+4.63%) | 12,700 |
| 16 Dec 1980 | USD | 27 | 27.75 | 27 | 27 | 135 | -0.75 (-2.70%) | 6,900 |
| 15 Dec 1980 | USD | 27.75 | 28.5 | 27.75 | 27.75 | 138.75 | -0.5 (-1.77%) | 12,200 |
| 12 Dec 1980 | USD | 28.25 | 29 | 28.25 | 28.25 | 141.25 | +0.75 (+2.73%) | 5,200 |
| 11 Dec 1980 | USD | 27.5 | 28.25 | 27.5 | 27.5 | 137.5 | -1.75 (-5.98%) | 9,500 |
| 10 Dec 1980 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 146.25 | +0.75 (+2.63%) | 13,200 |
| 9 Dec 1980 | USD | 28.5 | 29 | 28.5 | 28.5 | 142.5 | -0.75 (-2.56%) | 11,700 |
| 8 Dec 1980 | USD | 29.25 | 29.5 | 29.25 | 29.25 | 146.25 | -2.5 (-7.87%) | 11,100 |
| 5 Dec 1980 | USD | 31.75 | 32.5 | 31.75 | 31.75 | 158.75 | -1.75 (-5.22%) | 6,800 |
| 4 Dec 1980 | USD | 33.5 | 34.25 | 33.5 | 33.5 | 167.5 | -0.25 (-0.74%) | 8,500 |
| 3 Dec 1980 | USD | 33.75 | 34.25 | 33.75 | 33.75 | 168.75 | +2 (+6.30%) | 11,900 |
| 2 Dec 1980 | USD | 31.75 | 32.25 | 31.75 | 31.75 | 158.75 | -1.75 (-5.22%) | 8,200 |
| 1 Dec 1980 | USD | 33.5 | 34 | 33.5 | 33.5 | 167.5 | -2.25 (-6.29%) | 17,600 |
| 28 Nov 1980 | USD | 35.75 | 36.5 | 35.75 | 35.75 | 178.75 | +0.75 (+2.14%) | 11,700 |
| 27 Nov 1980 | USD | 35 | 35 | 35 | 35 | 175 | 0.0 (0.0%) | 0 |
| 26 Nov 1980 | USD | 35 | 35.75 | 35 | 35 | 175 | +3.25 (+10.24%) | 25,900 |
| 25 Nov 1980 | USD | 31.75 | 32.25 | 31.75 | 31.75 | 158.75 | +1.5 (+4.96%) | 18,700 |
