| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 13 Apr 1981 | GBP | 16.5 | 16.5 | 16.125 | 16.125 | 16.125 | -0.25 (-1.53%) | 2,680 |
| 10 Apr 1981 | GBP | 16.375 | 16.75 | 16.375 | 16.375 | 16.375 | +0.125 (+0.77%) | 10,300 |
| 9 Apr 1981 | GBP | 16.25 | 16.25 | 16.25 | 16.25 | 16.25 | +0.25 (+1.56%) | 6,575 |
| 8 Apr 1981 | GBP | 16 | 16 | 16 | 16 | 16 | +0.25 (+1.59%) | 2,500 |
| 7 Apr 1981 | GBP | 16 | 16 | 15.75 | 15.75 | 15.75 | -0.25 (-1.56%) | 4,222 |
| 6 Apr 1981 | GBP | 16.25 | 16.25 | 16 | 16 | 16 | -0.25 (-1.54%) | 2,250 |
| 3 Apr 1981 | GBP | 16.25 | 16.5 | 16.25 | 16.25 | 16.25 | 0.0 (0.0%) | 6,908 |
| 2 Apr 1981 | GBP | 16.25 | 16.25 | 16.25 | 16.25 | 16.25 | +0.25 (+1.56%) | 764 |
| 1 Apr 1981 | GBP | 16 | 16 | 16 | 16 | 16 | -0.125 (-0.78%) | 4,720 |
| 31 Mar 1981 | GBP | 16.125 | 16.125 | 16.125 | 16.125 | 16.125 | -0.125 (-0.77%) | 3,546 |
| 30 Mar 1981 | GBP | 16.25 | 16.25 | 16.25 | 16.25 | 16.25 | +0.25 (+1.56%) | 2,060 |
| 27 Mar 1981 | GBP | 16 | 16.125 | 16 | 16 | 16 | +0.25 (+1.59%) | 5,475 |
| 26 Mar 1981 | GBP | 16 | 16 | 15.75 | 15.75 | 15.75 | -0.25 (-1.56%) | 1,900 |
| 25 Mar 1981 | GBP | 16 | 16 | 16 | 16 | 16 | +0.75 (+4.92%) | 3,710 |
| 24 Mar 1981 | GBP | 15.25 | 15.25 | 15.25 | 15.25 | 15.25 | +0.5 (+3.39%) | 2,915 |
| 23 Mar 1981 | GBP | 14.75 | 14.75 | 14.75 | 14.75 | 14.75 | +0.25 (+1.72%) | 1,386 |
| 20 Mar 1981 | GBP | 14.5 | 14.75 | 14.5 | 14.5 | 14.5 | +0.25 (+1.75%) | 2,340 |
| 19 Mar 1981 | GBP | 14.5 | 14.5 | 14.25 | 14.25 | 14.25 | -0.25 (-1.72%) | 1,200 |
| 18 Mar 1981 | GBP | 15 | 15 | 14.5 | 14.5 | 14.5 | -0.5 (-3.33%) | 10,472 |
| 17 Mar 1981 | GBP | 15.5 | 15.5 | 15 | 15 | 15 | -0.5 (-3.23%) | 1,980 |
| 16 Mar 1981 | GBP | 15.5 | 15.625 | 15.5 | 15.5 | 15.5 | +0.5 (+3.33%) | 3,770 |
| 13 Mar 1981 | GBP | 15 | 15 | 15 | 15 | 15 | +0.75 (+5.26%) | 8,570 |
| 12 Mar 1981 | GBP | 14.25 | 14.25 | 14.25 | 14.25 | 14.25 | +1 (+7.55%) | 2,525 |
| 11 Mar 1981 | GBP | 13.25 | 13.375 | 13.25 | 13.25 | 13.25 | +0.25 (+1.92%) | 2,200 |
| 10 Mar 1981 | GBP | 13.25 | 13.25 | 13 | 13 | 13 | -0.25 (-1.89%) | 1,500 |
| 9 Mar 1981 | GBP | 13.5 | 13.5 | 13.25 | 13.25 | 13.25 | -0.125 (-0.93%) | 1,400 |
| 6 Mar 1981 | GBP | 13.5 | 13.5 | 13.375 | 13.375 | 13.375 | -0.125 (-0.93%) | 4,400 |
| 5 Mar 1981 | GBP | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | -0.25 (-1.82%) | 3,600 |
| 4 Mar 1981 | GBP | 13.75 | 13.75 | 13.75 | 13.75 | 13.75 | 0.0 (0.0%) | 600 |
| 3 Mar 1981 | GBP | 13.75 | 13.75 | 13.75 | 13.75 | 13.75 | +0.5 (+3.77%) | 2,900 |
