| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 Jan 1981 | GBP | 15 | 15 | 14.75 | 14.75 | 14.75 | +0.25 (+1.72%) | 797 |
| 16 Jan 1981 | GBP | 14.5 | 15 | 14.5 | 14.5 | 14.5 | +0.75 (+5.45%) | 5,800 |
| 15 Jan 1981 | GBP | 13.75 | 13.875 | 13.75 | 13.75 | 13.75 | +0.25 (+1.85%) | 1,100 |
| 14 Jan 1981 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 0.0 (0.0%) | 1,500 |
| 13 Jan 1981 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | +0.375 (+2.86%) | 1,400 |
| 12 Jan 1981 | GBP | 13.125 | 13.125 | 13.125 | 13.125 | 13.125 | -0.375 (-2.78%) | 250 |
| 9 Jan 1981 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | +0.125 (+0.93%) | 1,000 |
| 8 Jan 1981 | GBP | 13.375 | 13.5 | 13.375 | 13.375 | 13.375 | -0.125 (-0.93%) | 2,100 |
| 7 Jan 1981 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | -0.25 (-1.82%) | 3,500 |
| 6 Jan 1981 | GBP | 13.75 | 13.75 | 13.75 | 13.75 | 13.75 | 0.0 (0.0%) | 1,323 |
| 5 Jan 1981 | GBP | 13.75 | 13.75 | 13.75 | 13.75 | 13.75 | +0.25 (+1.85%) | 2,000 |
| 2 Jan 1981 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 0.0 (0.0%) | 274 |
| 31 Dec 1980 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 0.0 (0.0%) | 200 |
| 30 Dec 1980 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 0.0 (0.0%) | 1,700 |
| 24 Dec 1980 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | +0.5 (+3.85%) | 300 |
| 23 Dec 1980 | GBP | 13 | 13 | 13 | 13 | 13 | +0.375 (+2.97%) | 500 |
| 22 Dec 1980 | GBP | 13.5 | 13.5 | 12.625 | 12.625 | 12.625 | -0.875 (-6.48%) | 1,300 |
| 19 Dec 1980 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 0.0 (0.0%) | 2,600 |
| 18 Dec 1980 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | +0.25 (+1.89%) | 1,500 |
| 17 Dec 1980 | GBP | 13.25 | 13.25 | 13.25 | 13.25 | 13.25 | 0.0 (0.0%) | 1,700 |
| 16 Dec 1980 | GBP | 13.25 | 13.25 | 13.25 | 13.25 | 13.25 | +0.5 (+3.92%) | 1,238 |
| 12 Dec 1980 | GBP | 13.5 | 13.5 | 12.75 | 12.75 | 12.75 | -1.25 (-8.93%) | 2,500 |
| 11 Dec 1980 | GBP | 14.25 | 14.25 | 14 | 14 | 14 | -0.25 (-1.75%) | 9,010 |
| 10 Dec 1980 | GBP | 14.75 | 14.875 | 14.25 | 14.25 | 14.25 | -0.5 (-3.39%) | 3,500 |
| 9 Dec 1980 | GBP | 14.75 | 14.75 | 14.75 | 14.75 | 14.75 | +0.5 (+3.51%) | 3,900 |
| 8 Dec 1980 | GBP | 14.25 | 14.5 | 14.25 | 14.25 | 14.25 | 0.0 (0.0%) | 800 |
| 5 Dec 1980 | GBP | 14.625 | 14.625 | 14.25 | 14.25 | 14.25 | -0.5 (-3.39%) | 2,850 |
| 4 Dec 1980 | GBP | 14.75 | 14.75 | 14.75 | 14.75 | 14.75 | +0.25 (+1.72%) | 1,400 |
| 3 Dec 1980 | GBP | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 0.0 (0.0%) | 2,000 |
| 2 Dec 1980 | GBP | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 0.0 (0.0%) | 4,800 |
