| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 21 Aug 1991 | GBX | 90 | 90 | 90 | 90 | 900 | +3 (+3.45%) | 10,500 |
| 19 Aug 1991 | GBX | 88 | 88 | 86 | 87 | 870 | +2 (+2.35%) | 65,000 |
| 15 Aug 1991 | GBX | 85 | 85 | 85 | 85 | 850 | 0.0 (0.0%) | 8,000 |
| 14 Aug 1991 | GBX | 85 | 85 | 85 | 85 | 850 | -1 (-1.16%) | 86,350 |
| 12 Aug 1991 | GBX | 86 | 86 | 86 | 86 | 860 | +1 (+1.18%) | 3,500 |
| 9 Aug 1991 | GBX | 86 | 86 | 85 | 85 | 850 | +1 (+1.19%) | 23,400 |
| 7 Aug 1991 | GBX | 84 | 86 | 84 | 84 | 840 | +1 (+1.20%) | 10,500 |
| 5 Aug 1991 | GBX | 83.5 | 83.5 | 83 | 83 | 830 | -2 (-2.35%) | 13,000 |
| 2 Aug 1991 | GBX | 85 | 85 | 85 | 85 | 850 | +1 (+1.19%) | 25,000 |
| 1 Aug 1991 | GBX | 84 | 84 | 84 | 84 | 840 | +1 (+1.20%) | 4,600 |
| 30 Jul 1991 | GBX | 83 | 83 | 83 | 83 | 830 | +1 (+1.22%) | 360,000 |
| 29 Jul 1991 | GBX | 85 | 85 | 82 | 82 | 820 | -1 (-1.20%) | 110,270 |
| 26 Jul 1991 | GBX | 83 | 83 | 83 | 83 | 830 | +2 (+2.47%) | 30,000 |
| 23 Jul 1991 | GBX | 81 | 81 | 81 | 81 | 810 | +2 (+2.53%) | 50,500 |
| 22 Jul 1991 | GBX | 79 | 79 | 79 | 79 | 790 | +2 (+2.60%) | 28,000 |
| 17 Jul 1991 | GBX | 77 | 77 | 77 | 77 | 770 | -1 (-1.28%) | 6,525 |
| 16 Jul 1991 | GBX | 78 | 78 | 78 | 78 | 780 | 0.0 (0.0%) | 230,000 |
| 15 Jul 1991 | GBX | 78 | 78 | 77 | 78 | 780 | -1.5 (-1.89%) | 21,500 |
| 12 Jul 1991 | GBX | 79.5 | 79.5 | 79.5 | 79.5 | 795 | +1.5 (+1.92%) | 53,500 |
| 11 Jul 1991 | GBX | 79.5 | 80 | 78 | 78 | 780 | -1 (-1.27%) | 1,063,922 |
| 8 Jul 1991 | GBX | 79 | 79 | 79 | 79 | 790 | -1 (-1.25%) | 14,000 |
| 5 Jul 1991 | GBX | 80 | 80 | 80 | 80 | 800 | -1 (-1.23%) | 55,000 |
| 2 Jul 1991 | GBX | 80 | 81 | 80 | 81 | 810 | +2 (+2.53%) | 2,006,000 |
| 28 Jun 1991 | GBX | 79 | 79 | 79 | 79 | 790 | -2 (-2.47%) | 50,000 |
| 26 Jun 1991 | GBX | 81 | 81 | 81 | 81 | 810 | -2 (-2.41%) | 8,000 |
| 24 Jun 1991 | GBX | 83 | 83 | 83 | 83 | 830 | 0.0 (0.0%) | 10,000 |
| 20 Jun 1991 | GBX | 84 | 84 | 83 | 83 | 830 | 0.0 (0.0%) | 56,000 |
| 19 Jun 1991 | GBX | 83 | 83 | 83 | 83 | 830 | -3 (-3.49%) | 51,000 |
| 17 Jun 1991 | GBX | 86 | 86 | 86 | 86 | 860 | +1 (+1.18%) | 100,000 |
| 14 Jun 1991 | GBX | 85 | 85 | 85 | 85 | 850 | -2 (-2.30%) | 10,000 |
