| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 9 Jun 1980 | GBP | 10.5 | 10.625 | 10.5 | 10.5 | 10.5 | 0.0 (0.0%) | 17,166 |
| 6 Jun 1980 | GBP | 10.625 | 10.625 | 10.5 | 10.5 | 10.5 | -0.125 (-1.18%) | 17,050 |
| 5 Jun 1980 | GBP | 10.625 | 10.75 | 10.625 | 10.625 | 10.625 | +0.125 (+1.19%) | 6,200 |
| 4 Jun 1980 | GBP | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | +0.5 (+5%) | 13,150 |
| 3 Jun 1980 | GBP | 10 | 10 | 10 | 10 | 10 | 0.0 (0.0%) | 12,430 |
| 2 Jun 1980 | GBP | 10 | 10 | 10 | 10 | 10 | 0.0 (0.0%) | 6,826 |
| 30 May 1980 | GBP | 10 | 10.125 | 10 | 10 | 10 | 0.0 (0.0%) | 9,500 |
| 29 May 1980 | GBP | 10 | 10.125 | 10 | 10 | 10 | 0.0 (0.0%) | 4,400 |
| 28 May 1980 | GBP | 10 | 10.125 | 10 | 10 | 10 | 0.0 (0.0%) | 12,900 |
| 27 May 1980 | GBP | 10 | 10 | 10 | 10 | 10 | +0.375 (+3.90%) | 5,852 |
| 26 May 1980 | GBP | 9.625 | 9.625 | 9.625 | 9.625 | 9.625 | +0.125 (+1.32%) | 3,110 |
| 23 May 1980 | GBP | 9.5 | 9.625 | 9.5 | 9.5 | 9.5 | +0.5 (+5.56%) | 13,100 |
| 22 May 1980 | GBP | 9 | 9 | 9 | 9 | 9 | +0.25 (+2.86%) | 5,600 |
| 21 May 1980 | GBP | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | +0.25 (+2.94%) | 302 |
| 20 May 1980 | GBP | 9 | 9 | 8.5 | 8.5 | 8.5 | -0.125 (-1.45%) | 300 |
| 16 May 1980 | GBP | 8.625 | 8.625 | 8.625 | 8.625 | 8.625 | +0.125 (+1.47%) | 4,300 |
| 15 May 1980 | GBP | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 0.0 (0.0%) | 5,400 |
| 14 May 1980 | GBP | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | +0.5 (+6.25%) | 2,394 |
| 12 May 1980 | GBP | 8.125 | 8.125 | 8 | 8 | 8 | 0.0 (0.0%) | 1,400 |
| 9 May 1980 | GBP | 8 | 8 | 8 | 8 | 8 | +0.125 (+1.59%) | 200 |
| 8 May 1980 | GBP | 7.875 | 7.875 | 7.875 | 7.875 | 7.875 | +0.125 (+1.61%) | 3,300 |
| 7 May 1980 | GBP | 7.75 | 7.75 | 7.75 | 7.75 | 7.75 | 0.0 (0.0%) | 600 |
| 6 May 1980 | GBP | 7.75 | 7.875 | 7.75 | 7.75 | 7.75 | +0.25 (+3.33%) | 3,400 |
| 5 May 1980 | GBP | 8 | 8 | 7.5 | 7.5 | 7.5 | -0.375 (-4.76%) | 1,500 |
| 2 May 1980 | GBP | 7.875 | 7.875 | 7.875 | 7.875 | 7.875 | +0.25 (+3.28%) | 700 |
| 1 May 1980 | GBP | 7.875 | 7.875 | 7.625 | 7.625 | 7.625 | -0.25 (-3.17%) | 4,200 |
| 30 Apr 1980 | GBP | 7.875 | 7.875 | 7.875 | 7.875 | 7.875 | +0.375 (+5%) | 3,500 |
| 29 Apr 1980 | GBP | 7.5 | 7.625 | 7.5 | 7.5 | 7.5 | +0.125 (+1.69%) | 1,600 |
| 28 Apr 1980 | GBP | 7.625 | 7.625 | 7.375 | 7.375 | 7.375 | 0.0 (0.0%) | 2,300 |
| 25 Apr 1980 | GBP | 7.375 | 7.625 | 7.375 | 7.375 | 7.375 | +0.125 (+1.72%) | 6,800 |
