| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 17 May 1988 | GBX | 735 | 735 | 735 | 735 | 1,225 | +11 (+1.52%) | 246,000 |
| 16 May 1988 | GBX | 724 | 724 | 724 | 724 | 1,206.6667 | +9 (+1.26%) | 481,000 |
| 13 May 1988 | GBX | 715 | 715 | 715 | 715 | 1,191.6667 | +10 (+1.42%) | 380,000 |
| 12 May 1988 | GBX | 705 | 705 | 705 | 705 | 1,175 | +11 (+1.59%) | 60,000 |
| 11 May 1988 | GBX | 694 | 694 | 694 | 694 | 1,156.6667 | -7 (-1.00%) | 168,000 |
| 10 May 1988 | GBX | 701 | 701 | 701 | 701 | 1,168.3333 | +4 (+0.57%) | 25,000 |
| 9 May 1988 | GBX | 697 | 697 | 697 | 697 | 1,161.6667 | +12 (+1.75%) | 431,000 |
| 6 May 1988 | GBX | 685 | 685 | 685 | 685 | 1,141.6667 | +3 (+0.44%) | 351,000 |
| 5 May 1988 | GBX | 682 | 682 | 682 | 682 | 1,136.6667 | -2 (-0.29%) | 445,000 |
| 4 May 1988 | GBX | 684 | 684 | 684 | 684 | 1,140 | -14 (-2.01%) | 109,000 |
| 3 May 1988 | GBX | 698 | 698 | 698 | 698 | 1,163.3333 | -1 (-0.14%) | 273,000 |
| 29 Apr 1988 | GBX | 699 | 699 | 699 | 699 | 1,165 | -4 (-0.57%) | 705,000 |
| 28 Apr 1988 | GBX | 703 | 703 | 703 | 703 | 1,171.6667 | -8 (-1.13%) | 317,000 |
| 27 Apr 1988 | GBX | 711 | 711 | 711 | 711 | 1,185 | -3 (-0.42%) | 122,000 |
| 26 Apr 1988 | GBX | 714 | 714 | 714 | 714 | 1,190 | -1 (-0.14%) | 82,000 |
| 25 Apr 1988 | GBX | 715 | 715 | 715 | 715 | 1,191.6667 | -23 (-3.12%) | 276,000 |
| 21 Apr 1988 | GBX | 738 | 738 | 738 | 738 | 1,230 | +19 (+2.64%) | 1,393,000 |
| 20 Apr 1988 | GBX | 719 | 719 | 719 | 719 | 1,198.3333 | -4 (-0.55%) | 555,000 |
| 19 Apr 1988 | GBX | 723 | 723 | 723 | 723 | 1,205 | +20 (+2.84%) | 554,000 |
| 18 Apr 1988 | GBX | 703 | 703 | 703 | 703 | 1,171.6667 | +18 (+2.63%) | 240,000 |
| 15 Apr 1988 | GBX | 685 | 685 | 685 | 685 | 1,141.6667 | -11 (-1.58%) | 177,000 |
| 14 Apr 1988 | GBX | 696 | 696 | 696 | 696 | 1,160 | -1 (-0.14%) | 124,000 |
| 13 Apr 1988 | GBX | 697 | 697 | 697 | 697 | 1,161.6667 | +3 (+0.43%) | 41,000 |
| 12 Apr 1988 | GBX | 694 | 694 | 694 | 694 | 1,156.6667 | +2 (+0.29%) | 32,000 |
| 11 Apr 1988 | GBX | 692 | 692 | 692 | 692 | 1,153.3333 | +3 (+0.44%) | 222,000 |
| 8 Apr 1988 | GBX | 689 | 689 | 689 | 689 | 1,148.3333 | +1 (+0.15%) | 217,000 |
| 7 Apr 1988 | GBX | 688 | 688 | 688 | 688 | 1,146.6667 | +11 (+1.62%) | 0 |
| 6 Apr 1988 | GBX | 677 | 677 | 677 | 677 | 1,128.3333 | +1 (+0.15%) | 135,000 |
| 5 Apr 1988 | GBX | 676 | 676 | 676 | 676 | 1,126.6667 | -5 (-0.73%) | 59,000 |
| 31 Mar 1988 | GBX | 681 | 681 | 681 | 681 | 1,135 | -7 (-1.02%) | 45,000 |
