| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Oct 1991 | GBX | 130 | 130 | 130 | 130 | 130 | 0.0 (0.0%) | 11,500 |
| 2 Oct 1991 | GBX | 132 | 132 | 130 | 130 | 130 | 0.0 (0.0%) | 15,000 |
| 1 Oct 1991 | GBX | 134 | 134 | 130 | 130 | 130 | -2 (-1.52%) | 43,980 |
| 30 Sep 1991 | GBX | 133 | 133 | 132 | 132 | 132 | -3 (-2.22%) | 35,000 |
| 26 Sep 1991 | GBX | 135 | 137 | 135 | 135 | 135 | -3 (-2.17%) | 40,528 |
| 25 Sep 1991 | GBX | 137 | 138 | 137 | 138 | 138 | 0.0 (0.0%) | 26,000 |
| 24 Sep 1991 | GBX | 138 | 138 | 138 | 138 | 138 | +1 (+0.73%) | 6,802 |
| 23 Sep 1991 | GBX | 137 | 137 | 137 | 137 | 137 | 0.0 (0.0%) | 1,900 |
| 20 Sep 1991 | GBX | 137 | 137 | 137 | 137 | 137 | -3.5 (-2.49%) | 55,000 |
| 19 Sep 1991 | GBX | 141 | 141 | 139 | 140.5 | 140.5 | +0.5 (+0.36%) | 947,776 |
| 17 Sep 1991 | GBX | 140 | 140 | 140 | 140 | 140 | -1 (-0.71%) | 4,500 |
| 13 Sep 1991 | GBX | 141 | 141 | 141 | 141 | 141 | +1 (+0.71%) | 5,000 |
| 12 Sep 1991 | GBX | 140 | 140 | 140 | 140 | 140 | -3 (-2.10%) | 4,200,400 |
| 11 Sep 1991 | GBX | 143 | 143 | 143 | 143 | 143 | +2 (+1.42%) | 4,124 |
| 10 Sep 1991 | GBX | 141 | 141 | 141 | 141 | 141 | -2 (-1.40%) | 51,463 |
| 9 Sep 1991 | GBX | 143 | 143 | 143 | 143 | 143 | -2 (-1.38%) | 4,657 |
| 6 Sep 1991 | GBX | 146 | 146 | 145 | 145 | 145 | 0.0 (0.0%) | 29,000 |
| 5 Sep 1991 | GBX | 145 | 145 | 145 | 145 | 145 | -2 (-1.36%) | 2,111 |
| 3 Sep 1991 | GBX | 147 | 147 | 147 | 147 | 147 | -0.5 (-0.34%) | 43,035 |
| 30 Aug 1991 | GBX | 148 | 150 | 147.5 | 147.5 | 147.5 | +2.5 (+1.72%) | 45,000 |
| 29 Aug 1991 | GBX | 145 | 145 | 145 | 145 | 145 | +1 (+0.69%) | 5,000 |
| 28 Aug 1991 | GBX | 144 | 144 | 144 | 144 | 144 | -1 (-0.69%) | 50,650 |
| 23 Aug 1991 | GBX | 145 | 145 | 145 | 145 | 145 | +2 (+1.40%) | 20,000 |
| 22 Aug 1991 | GBX | 141 | 145 | 141 | 143 | 143 | +2 (+1.42%) | 65,000 |
| 21 Aug 1991 | GBX | 141 | 141 | 141 | 141 | 141 | +5 (+3.68%) | 10,000 |
| 20 Aug 1991 | GBX | 133 | 139 | 133 | 136 | 136 | +1 (+0.74%) | 12,542 |
| 19 Aug 1991 | GBX | 133 | 135 | 133 | 135 | 135 | 0.0 (0.0%) | 281,527 |
| 14 Aug 1991 | GBX | 134 | 135 | 134 | 135 | 135 | +2 (+1.50%) | 40,000 |
| 13 Aug 1991 | GBX | 131 | 133 | 129 | 133 | 133 | +5 (+3.91%) | 278,000 |
| 12 Aug 1991 | GBX | 127 | 130 | 127 | 128 | 128 | +1 (+0.79%) | 147,039 |
