| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 9 Feb 1981 | USD | 27.25 | 28 | 27.25 | 27.25 | 136.25 | -0.25 (-0.91%) | 4,900 |
| 6 Feb 1981 | USD | 27.5 | 28.25 | 27.5 | 27.5 | 137.5 | -0.5 (-1.79%) | 8,500 |
| 5 Feb 1981 | USD | 28 | 28.5 | 28 | 28 | 140 | -0.5 (-1.75%) | 5,300 |
| 4 Feb 1981 | USD | 28.5 | 29 | 28.5 | 28.5 | 142.5 | +0.5 (+1.79%) | 6,600 |
| 3 Feb 1981 | USD | 28 | 28.5 | 28 | 28 | 140 | +0.5 (+1.82%) | 9,000 |
| 2 Feb 1981 | USD | 27.5 | 28.25 | 27.5 | 27.5 | 137.5 | -1.75 (-5.98%) | 17,700 |
| 30 Jan 1981 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 146.25 | -0.5 (-1.68%) | 13,900 |
| 29 Jan 1981 | USD | 29.75 | 30.25 | 29.75 | 29.75 | 148.75 | +0.25 (+0.85%) | 10,000 |
| 28 Jan 1981 | USD | 29.5 | 30.25 | 29.5 | 29.5 | 147.5 | -0.5 (-1.67%) | 8,800 |
| 27 Jan 1981 | USD | 30 | 30.5 | 30 | 30 | 150 | +1 (+3.45%) | 12,600 |
| 26 Jan 1981 | USD | 29 | 29.75 | 29 | 29 | 145 | +0.75 (+2.65%) | 26,900 |
| 23 Jan 1981 | USD | 28.25 | 28.5 | 28.25 | 28.25 | 141.25 | +1.5 (+5.61%) | 37,300 |
| 22 Jan 1981 | USD | 26.75 | 27.25 | 26.75 | 26.75 | 133.75 | +0.5 (+1.90%) | 9,800 |
| 21 Jan 1981 | USD | 26.25 | 27 | 26.25 | 26.25 | 131.25 | -0.25 (-0.94%) | 1,800 |
| 20 Jan 1981 | USD | 26.5 | 27 | 26.5 | 26.5 | 132.5 | -1.25 (-4.50%) | 10,400 |
| 19 Jan 1981 | USD | 27.75 | 28 | 27.75 | 27.75 | 138.75 | +0.25 (+0.91%) | 11,400 |
| 16 Jan 1981 | USD | 27.5 | 28.25 | 27.5 | 27.5 | 137.5 | -0.75 (-2.65%) | 7,700 |
| 15 Jan 1981 | USD | 28.25 | 29 | 28.25 | 28.25 | 141.25 | +2.5 (+9.71%) | 9,100 |
| 14 Jan 1981 | USD | 25.75 | 26.25 | 25.75 | 25.75 | 128.75 | +0.25 (+0.98%) | 1,600 |
| 13 Jan 1981 | USD | 25.5 | 26.25 | 25.5 | 25.5 | 127.5 | -0.25 (-0.97%) | 5,800 |
| 12 Jan 1981 | USD | 25.75 | 26.25 | 25.75 | 25.75 | 128.75 | -1.5 (-5.50%) | 8,200 |
| 9 Jan 1981 | USD | 27.25 | 27.75 | 27.25 | 27.25 | 136.25 | +0.5 (+1.87%) | 7,000 |
| 8 Jan 1981 | USD | 26.75 | 27.25 | 26.75 | 26.75 | 133.75 | -1 (-3.60%) | 25,200 |
| 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 |
