| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 28 May 1991 | GBX | 152 | 155 | 152 | 152 | 151.8876 | -1 (-0.65%) | 901,426 |
| 24 May 1991 | GBX | 152 | 155 | 152 | 153 | 152.8868 | +1 (+0.66%) | 3,384,093 |
| 23 May 1991 | GBX | 150 | 154 | 150 | 152 | 151.8876 | -1 (-0.65%) | 2,808,261 |
| 22 May 1991 | GBX | 150 | 153 | 150 | 153 | 152.8868 | +1.625 (+1.07%) | 1,882,553 |
| 21 May 1991 | GBX | 152 | 153 | 150 | 151.375 | 151.263 | -0.625 (-0.41%) | 1,143,450 |
| 20 May 1991 | GBX | 149 | 152 | 149 | 152 | 151.8876 | +2.5 (+1.67%) | 568,098 |
| 17 May 1991 | GBX | 149 | 151 | 149 | 149.5 | 149.3894 | -0.5 (-0.33%) | 1,830,294 |
| 16 May 1991 | GBX | 147 | 152 | 147 | 150 | 149.8891 | +1 (+0.67%) | 2,094,601 |
| 15 May 1991 | GBX | 144.5 | 149 | 144.5 | 149 | 148.8898 | +2 (+1.36%) | 1,928,468 |
| 14 May 1991 | GBX | 148 | 149.5 | 144.875 | 147 | 146.8913 | -3 (-2%) | 1,779,103 |
| 13 May 1991 | GBX | 148 | 150 | 147 | 150 | 149.8891 | -1 (-0.66%) | 1,318,741 |
| 10 May 1991 | GBX | 153 | 155 | 151 | 151 | 150.8883 | -3 (-1.95%) | 1,581,135 |
| 9 May 1991 | GBX | 152 | 154 | 152 | 154 | 153.8861 | +1 (+0.65%) | 764,165 |
| 8 May 1991 | GBX | 153 | 155 | 152 | 153 | 152.8868 | 0.0 (0.0%) | 800,207 |
| 7 May 1991 | GBX | 152 | 155 | 152 | 153 | 152.8868 | -1 (-0.65%) | 608,364 |
| 3 May 1991 | GBX | 153 | 155.5 | 153 | 154 | 153.8861 | +1 (+0.65%) | 1,012,159 |
| 2 May 1991 | GBX | 152 | 155 | 152 | 153 | 152.8868 | +3 (+2%) | 1,820,794 |
| 1 May 1991 | GBX | 151 | 152 | 150 | 150 | 149.8891 | -3 (-1.96%) | 6,823,014 |
| 30 Apr 1991 | GBX | 154 | 154 | 150 | 153 | 152.8868 | +1 (+0.66%) | 2,683,676 |
| 29 Apr 1991 | GBX | 152 | 154 | 151 | 152 | 151.8876 | 0.0 (0.0%) | 1,340,174 |
| 26 Apr 1991 | GBX | 154.625 | 155 | 152 | 152 | 151.8876 | -3 (-1.94%) | 4,483,800 |
| 25 Apr 1991 | GBX | 154 | 155 | 152 | 155 | 154.8854 | +2 (+1.31%) | 783,064 |
| 24 Apr 1991 | GBX | 154 | 155 | 153 | 153 | 152.8868 | -1 (-0.65%) | 2,580,209 |
| 23 Apr 1991 | GBX | 151 | 155 | 151 | 154 | 153.8861 | +2.625 (+1.73%) | 2,049,725 |
| 22 Apr 1991 | GBX | 153 | 154 | 151 | 151.375 | 151.263 | -2.625 (-1.70%) | 1,395,256 |
| 19 Apr 1991 | GBX | 153 | 155 | 152 | 154 | 153.8861 | -1 (-0.65%) | 744,659 |
| 18 Apr 1991 | GBX | 159 | 159 | 153 | 155 | 154.8854 | -2 (-1.27%) | 2,403,481 |
| 17 Apr 1991 | GBX | 157 | 158 | 155 | 157 | 156.8839 | -2 (-1.26%) | 948,918 |
| 16 Apr 1991 | GBX | 162 | 163.5 | 157 | 159 | 158.8824 | -1 (-0.63%) | 2,790,663 |
| 15 Apr 1991 | GBX | 160 | 164 | 160 | 160 | 159.8817 | 0.0 (0.0%) | 3,754,872 |
