| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 6 Nov 1991 | GBX | 145 | 147 | 145 | 147 | 147 | -1 (-0.68%) | 153,786 |
| 5 Nov 1991 | GBX | 144 | 148 | 144 | 148 | 148 | +6 (+4.23%) | 290,199 |
| 4 Nov 1991 | GBX | 142 | 143 | 142 | 142 | 142 | -1 (-0.70%) | 350,000 |
| 1 Nov 1991 | GBX | 143 | 146 | 142 | 143 | 143 | -2 (-1.38%) | 416,776 |
| 31 Oct 1991 | GBX | 154.5 | 157 | 143.875 | 145 | 145 | -10 (-6.45%) | 1,429,628 |
| 30 Oct 1991 | GBX | 154 | 155 | 151.5 | 155 | 155 | +2 (+1.31%) | 93,160 |
| 29 Oct 1991 | GBX | 150 | 153 | 149.5 | 153 | 153 | +4 (+2.68%) | 530,131 |
| 28 Oct 1991 | GBX | 142 | 149 | 142 | 149 | 149 | +6.125 (+4.29%) | 396,342 |
| 25 Oct 1991 | GBX | 145 | 146 | 142 | 142.875 | 142.875 | +0.875 (+0.62%) | 244,948 |
| 24 Oct 1991 | GBX | 145.5 | 146 | 141 | 142 | 142 | -0.875 (-0.61%) | 589,303 |
| 23 Oct 1991 | GBX | 146 | 146 | 142.5 | 142.875 | 142.875 | -3.125 (-2.14%) | 78,753 |
| 22 Oct 1991 | GBX | 151.5 | 151.5 | 145 | 146 | 146 | -4 (-2.67%) | 1,040,529 |
| 21 Oct 1991 | GBX | 149 | 151 | 149 | 150 | 150 | +6 (+4.17%) | 530,000 |
| 18 Oct 1991 | GBX | 146.5 | 147 | 144 | 144 | 144 | -2 (-1.37%) | 60,342 |
| 17 Oct 1991 | GBX | 147 | 147 | 145 | 146 | 146 | 0.0 (0.0%) | 235,789 |
| 16 Oct 1991 | GBX | 143 | 146 | 143 | 146 | 146 | +3 (+2.10%) | 401,633 |
| 15 Oct 1991 | GBX | 142 | 143 | 139.875 | 143 | 143 | +3 (+2.14%) | 483,601 |
| 14 Oct 1991 | GBX | 139 | 142 | 138 | 140 | 140 | -1 (-0.71%) | 404,040 |
| 11 Oct 1991 | GBX | 138 | 141 | 138 | 141 | 141 | +1 (+0.71%) | 68,106 |
| 10 Oct 1991 | GBX | 137 | 142 | 135 | 140 | 140 | +3 (+2.19%) | 2,001,092 |
| 9 Oct 1991 | GBX | 142.5 | 142.5 | 137 | 137 | 137 | -4.5 (-3.18%) | 215,995 |
| 8 Oct 1991 | GBX | 143 | 144 | 141 | 141.5 | 141.5 | -2.5 (-1.74%) | 290,544 |
| 7 Oct 1991 | GBX | 145.375 | 147 | 144 | 144 | 144 | -6 (-4%) | 191,885 |
| 4 Oct 1991 | GBX | 150 | 150 | 150 | 150 | 150 | -2 (-1.32%) | 2,816 |
| 3 Oct 1991 | GBX | 149 | 152 | 149 | 152 | 152 | 0.0 (0.0%) | 59,323 |
| 2 Oct 1991 | GBX | 153 | 154 | 148 | 152 | 152 | -1 (-0.65%) | 7,885,173 |
| 1 Oct 1991 | GBX | 154 | 155 | 153 | 153 | 153 | -2 (-1.29%) | 178,234 |
| 30 Sep 1991 | GBX | 155 | 155 | 152 | 155 | 155 | +1 (+0.65%) | 11,155 |
| 27 Sep 1991 | GBX | 155 | 155 | 153 | 154 | 154 | -1 (-0.65%) | 399,111 |
| 26 Sep 1991 | GBX | 154 | 157 | 154 | 155 | 155 | 0.0 (0.0%) | 236,477 |
