| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 2 Jul 1991 | GBX | 127 | 128.625 | 127 | 128.5 | 128.5 | +1.5 (+1.18%) | 757,000 |
| 1 Jul 1991 | GBX | 127 | 128 | 127 | 127 | 127 | -1 (-0.78%) | 101,620 |
| 28 Jun 1991 | GBX | 129 | 129 | 127 | 128 | 128 | -3 (-2.29%) | 755,239 |
| 27 Jun 1991 | GBX | 132 | 132 | 129 | 131 | 131 | -1 (-0.76%) | 994,924 |
| 26 Jun 1991 | GBX | 135 | 135 | 132 | 132 | 132 | -2.5 (-1.86%) | 579,786 |
| 25 Jun 1991 | GBX | 134 | 134.5 | 134 | 134.5 | 134.5 | +0.5 (+0.37%) | 52,000 |
| 24 Jun 1991 | GBX | 137.5 | 137.5 | 133 | 134 | 134 | -2 (-1.47%) | 1,170,322 |
| 21 Jun 1991 | GBX | 135.5 | 136 | 135 | 136 | 136 | +2 (+1.49%) | 16,025 |
| 20 Jun 1991 | GBX | 135 | 135 | 134 | 134 | 134 | -0.375 (-0.28%) | 30,208 |
| 19 Jun 1991 | GBX | 134 | 136 | 134 | 134.375 | 134.375 | -0.625 (-0.46%) | 80,755 |
| 18 Jun 1991 | GBX | 135 | 135 | 135 | 135 | 135 | -1 (-0.74%) | 7,495 |
| 17 Jun 1991 | GBX | 135.5 | 136 | 133 | 136 | 136 | 0.0 (0.0%) | 427,112 |
| 14 Jun 1991 | GBX | 137 | 137 | 134 | 136 | 136 | +3.5 (+2.64%) | 33,814 |
| 13 Jun 1991 | GBX | 134 | 134.5 | 132 | 132.5 | 132.5 | +0.5 (+0.38%) | 188,138 |
| 12 Jun 1991 | GBX | 135 | 135 | 132 | 132 | 132 | -6 (-4.35%) | 63,560 |
| 11 Jun 1991 | GBX | 131 | 140.5 | 131 | 138 | 138 | +10 (+7.81%) | 1,444,067 |
| 10 Jun 1991 | GBX | 128 | 129 | 128 | 128 | 128 | 0.0 (0.0%) | 175,162 |
| 7 Jun 1991 | GBX | 126 | 128 | 125 | 128 | 128 | 0.0 (0.0%) | 171,488 |
| 6 Jun 1991 | GBX | 122 | 128 | 122 | 128 | 128 | +3 (+2.40%) | 315,832 |
| 5 Jun 1991 | GBX | 124 | 125 | 124 | 125 | 125 | +3 (+2.46%) | 256,183 |
| 4 Jun 1991 | GBX | 122 | 123 | 121 | 122 | 122 | -0.5 (-0.41%) | 695,946 |
| 3 Jun 1991 | GBX | 124 | 126 | 122 | 122.5 | 122.5 | +0.5 (+0.41%) | 174,223 |
| 31 May 1991 | GBX | 122 | 124 | 122 | 122 | 122 | +1 (+0.83%) | 752,825 |
| 30 May 1991 | GBX | 121 | 121 | 120 | 121 | 121 | +2 (+1.68%) | 334,550 |
| 29 May 1991 | GBX | 119 | 121 | 119 | 119 | 119 | +1 (+0.85%) | 101,817 |
| 28 May 1991 | GBX | 120 | 120 | 118 | 118 | 118 | -3 (-2.48%) | 273,200 |
| 24 May 1991 | GBX | 123 | 123 | 120 | 121 | 121 | -2 (-1.63%) | 191,187 |
| 23 May 1991 | GBX | 124 | 125 | 123 | 123 | 123 | -1 (-0.81%) | 85,421 |
| 22 May 1991 | GBX | 122 | 124 | 122 | 124 | 124 | +2 (+1.64%) | 12,507 |
| 21 May 1991 | GBX | 122 | 122.5 | 122 | 122 | 122 | -2 (-1.61%) | 15,257 |
