| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 Feb 1981 | USD | 1.875 | 2 | 1.875 | 1.875 | 5,625 | -0.063 (-3.25%) | 8,900 |
| 18 Feb 1981 | USD | 1.938 | 2 | 1.938 | 1.938 | 5,814 | 0.0 (0.0%) | 21,200 |
| 17 Feb 1981 | USD | 1.938 | 2 | 1.938 | 1.938 | 5,814 | -0.062 (-3.10%) | 29,400 |
| 16 Feb 1981 | USD | 2 | 2 | 2 | 2 | 6,000 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 2 | 2.125 | 2 | 2 | 6,000 | 0.0 (0.0%) | 23,900 |
| 12 Feb 1981 | USD | 2 | 2.125 | 2 | 2 | 6,000 | -0.125 (-5.88%) | 30,100 |
| 11 Feb 1981 | USD | 2.125 | 2.25 | 2.125 | 2.125 | 6,375 | -0.125 (-5.56%) | 36,000 |
| 10 Feb 1981 | USD | 2.25 | 2.375 | 2.25 | 2.25 | 6,750 | -0.125 (-5.26%) | 45,700 |
| 9 Feb 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 7,125 | 0.0 (0.0%) | 38,200 |
| 6 Feb 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 7,125 | 0.0 (0.0%) | 17,100 |
| 5 Feb 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 7,125 | -0.063 (-2.58%) | 42,900 |
| 4 Feb 1981 | USD | 2.438 | 2.5 | 2.438 | 2.438 | 7,314 | +0.063 (+2.65%) | 22,500 |
| 3 Feb 1981 | USD | 2.375 | 2.438 | 2.375 | 2.375 | 7,125 | 0.0 (0.0%) | 35,300 |
| 2 Feb 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 7,125 | -0.063 (-2.58%) | 17,800 |
| 30 Jan 1981 | USD | 2.438 | 2.5 | 2.438 | 2.438 | 7,314 | -0.062 (-2.48%) | 34,400 |
| 29 Jan 1981 | USD | 2.5 | 2.563 | 2.5 | 2.5 | 7,500 | +0.062 (+2.54%) | 33,200 |
| 28 Jan 1981 | USD | 2.438 | 2.563 | 2.438 | 2.438 | 7,314 | +0.063 (+2.65%) | 26,800 |
| 27 Jan 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 7,125 | +0.062 (+2.68%) | 25,700 |
| 26 Jan 1981 | USD | 2.313 | 2.438 | 2.313 | 2.313 | 6,939 | 0.0 (0.0%) | 13,000 |
| 23 Jan 1981 | USD | 2.313 | 2.438 | 2.313 | 2.313 | 6,939 | -0.062 (-2.61%) | 23,000 |
| 22 Jan 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 7,125 | 0.0 (0.0%) | 28,400 |
| 21 Jan 1981 | USD | 2.375 | 2.5 | 2.375 | 2.375 | 7,125 | -0.063 (-2.58%) | 29,000 |
| 20 Jan 1981 | USD | 2.438 | 2.563 | 2.438 | 2.438 | 7,314 | -0.125 (-4.88%) | 65,300 |
| 19 Jan 1981 | USD | 2.563 | 2.625 | 2.563 | 2.563 | 7,689 | +0.063 (+2.52%) | 39,300 |
| 16 Jan 1981 | USD | 2.5 | 2.563 | 2.5 | 2.5 | 7,500 | -0.063 (-2.46%) | 29,100 |
| 15 Jan 1981 | USD | 2.563 | 2.625 | 2.563 | 2.563 | 7,689 | 0.0 (0.0%) | 49,500 |
| 14 Jan 1981 | USD | 2.563 | 2.625 | 2.563 | 2.563 | 7,689 | 0.0 (0.0%) | 42,700 |
| 13 Jan 1981 | USD | 2.563 | 2.625 | 2.563 | 2.563 | 7,689 | +0.125 (+5.13%) | 31,100 |
| 12 Jan 1981 | USD | 2.438 | 2.625 | 2.438 | 2.438 | 7,314 | +0.063 (+2.65%) | 27,100 |
| 9 Jan 1981 | USD | 2.375 | 2.438 | 2.375 | 2.375 | 7,125 | +0.062 (+2.68%) | 44,100 |
