| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 May 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | +5 (+6.67%) | 0 |
| 11 May 1988 | GBX | 75 | 75 | 75 | 75 | 74.9883 | -5 (-6.25%) | 0 |
| 10 May 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | +5 (+6.67%) | 0 |
| 9 May 1988 | GBX | 75 | 75 | 75 | 75 | 74.9883 | -5 (-6.25%) | 0 |
| 6 May 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | +5 (+6.67%) | 0 |
| 5 May 1988 | GBX | 75 | 75 | 75 | 75 | 74.9883 | -5 (-6.25%) | 0 |
| 21 Apr 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | +3 (+3.90%) | 0 |
| 19 Apr 1988 | GBX | 77 | 77 | 77 | 77 | 76.988 | +2 (+2.67%) | 0 |
| 18 Apr 1988 | GBX | 75 | 75 | 75 | 75 | 74.9883 | -2 (-2.60%) | 0 |
| 15 Apr 1988 | GBX | 77 | 77 | 77 | 77 | 76.988 | -3 (-3.75%) | 0 |
| 13 Apr 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | -8 (-9.09%) | 0 |
| 11 Apr 1988 | GBX | 88 | 88 | 88 | 88 | 87.9863 | +8 (+10%) | 0 |
| 6 Apr 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | -5 (-5.88%) | 0 |
| 5 Apr 1988 | GBX | 85 | 85 | 85 | 85 | 84.9867 | +5 (+6.25%) | 0 |
| 28 Mar 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | -5 (-5.88%) | 0 |
| 25 Mar 1988 | GBX | 85 | 85 | 85 | 85 | 84.9867 | -5 (-5.56%) | 0 |
| 24 Mar 1988 | GBX | 90 | 90 | 90 | 90 | 89.986 | -5 (-5.26%) | 0 |
| 18 Mar 1988 | GBX | 95 | 95 | 95 | 95 | 94.9852 | -5 (-5%) | 0 |
| 11 Mar 1988 | GBX | 100 | 100 | 100 | 100 | 99.9844 | +20 (+25%) | 0 |
| 2 Mar 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | -5 (-5.88%) | 0 |
| 1 Mar 1988 | GBX | 85 | 85 | 85 | 85 | 84.9867 | +5 (+6.25%) | 0 |
| 29 Feb 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | -5 (-5.88%) | 0 |
| 25 Feb 1988 | GBX | 85 | 85 | 85 | 85 | 84.9867 | +5 (+6.25%) | 0 |
| 18 Feb 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | -5 (-5.88%) | 0 |
| 17 Feb 1988 | GBX | 85 | 85 | 85 | 85 | 84.9867 | +5 (+6.25%) | 0 |
| 16 Feb 1988 | GBX | 80 | 80 | 80 | 80 | 79.9875 | -5 (-5.88%) | 0 |
| 9 Feb 1988 | GBX | 85 | 85 | 85 | 85 | 84.9867 | +20 (+30.77%) | 0 |
| 4 Feb 1988 | GBX | 65 | 65 | 65 | 65 | 64.9899 | -5 (-7.14%) | 0 |
| 1 Feb 1988 | GBX | 70 | 70 | 70 | 70 | 69.9891 | +5 (+7.69%) | 0 |
| 28 Jan 1988 | GBX | 65 | 65 | 65 | 65 | 64.9899 | -5 (-7.14%) | 0 |
