| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 28 Jan 1981 | USD | 25.5 | 26 | 25.5 | 25.5 | 3.1875 | +0.25 (+0.99%) | 9,300 |
| 27 Jan 1981 | USD | 25.25 | 25.75 | 25.25 | 25.25 | 3.1562 | 0.0 (0.0%) | 4,000 |
| 26 Jan 1981 | USD | 25.25 | 25.75 | 25.25 | 25.25 | 3.1562 | -0.25 (-0.98%) | 10,500 |
| 23 Jan 1981 | USD | 25.5 | 25.75 | 25.5 | 25.5 | 3.1875 | +1.25 (+5.15%) | 18,800 |
| 22 Jan 1981 | USD | 24.25 | 24.75 | 24.25 | 24.25 | 3.0312 | -0.75 (-3%) | 10,600 |
| 21 Jan 1981 | USD | 25 | 25.5 | 25 | 25 | 3.125 | -0.75 (-2.91%) | 11,700 |
| 20 Jan 1981 | USD | 25.75 | 26.5 | 25.75 | 25.75 | 3.2188 | -1 (-3.74%) | 12,800 |
| 19 Jan 1981 | USD | 26.75 | 27.25 | 26.75 | 26.75 | 3.3438 | 0.0 (0.0%) | 13,000 |
| 16 Jan 1981 | USD | 26.75 | 27.25 | 26.75 | 26.75 | 3.3438 | 0.0 (0.0%) | 15,500 |
| 15 Jan 1981 | USD | 26.75 | 27.5 | 26.75 | 26.75 | 3.3438 | 0.0 (0.0%) | 15,500 |
| 14 Jan 1981 | USD | 26.75 | 27.75 | 26.75 | 26.75 | 3.3438 | 0.0 (0.0%) | 15,000 |
| 13 Jan 1981 | USD | 26.75 | 27.5 | 26.75 | 26.75 | 3.3438 | 0.0 (0.0%) | 16,200 |
| 12 Jan 1981 | USD | 26.75 | 27.25 | 26.75 | 26.75 | 3.3438 | -1 (-3.60%) | 30,100 |
| 9 Jan 1981 | USD | 27.75 | 28.25 | 27.75 | 27.75 | 3.4688 | +0.25 (+0.91%) | 22,400 |
| 8 Jan 1981 | USD | 27.5 | 28.25 | 27.5 | 27.5 | 3.4375 | -0.5 (-1.79%) | 6,100 |
| 7 Jan 1981 | USD | 28 | 28.5 | 28 | 28 | 3.5 | -1.75 (-5.88%) | 44,100 |
| 6 Jan 1981 | USD | 29.75 | 30 | 29.75 | 29.75 | 3.7188 | -0.75 (-2.46%) | 27,500 |
| 5 Jan 1981 | USD | 30.5 | 31 | 30.5 | 30.5 | 3.8125 | -1.25 (-3.94%) | 32,500 |
| 2 Jan 1981 | USD | 31.75 | 32 | 31.75 | 31.75 | 3.9688 | -0.25 (-0.78%) | 12,800 |
| 31 Dec 1980 | USD | 32 | 32.5 | 32 | 32 | 4 | -1.25 (-3.76%) | 19,900 |
| 30 Dec 1980 | USD | 33.25 | 33.75 | 33.25 | 33.25 | 4.1562 | 0.0 (0.0%) | 7,500 |
| 29 Dec 1980 | USD | 33.25 | 34 | 33.25 | 33.25 | 4.1562 | +0.25 (+0.76%) | 14,700 |
| 26 Dec 1980 | USD | 33 | 33.75 | 33 | 33 | 4.125 | +2.25 (+7.32%) | 11,800 |
| 24 Dec 1980 | USD | 30.75 | 31.25 | 30.75 | 30.75 | 3.8438 | +0.75 (+2.50%) | 8,400 |
| 23 Dec 1980 | USD | 30 | 30.5 | 30 | 30 | 3.75 | +0.75 (+2.56%) | 17,500 |
| 22 Dec 1980 | USD | 29.25 | 30 | 29.25 | 29.25 | 3.6562 | -0.25 (-0.85%) | 11,800 |
| 19 Dec 1980 | USD | 29.5 | 30 | 29.5 | 29.5 | 3.6875 | -0.25 (-0.84%) | 20,000 |
| 18 Dec 1980 | USD | 29.75 | 30.25 | 29.75 | 29.75 | 3.7188 | +0.75 (+2.59%) | 17,100 |
| 17 Dec 1980 | USD | 29 | 29.75 | 29 | 29 | 3.625 | 0.0 (0.0%) | 13,300 |
| 16 Dec 1980 | USD | 29 | 29.5 | 29 | 29 | 3.625 | 0.0 (0.0%) | 14,500 |
