| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 31 May 1988 | GBX | 145 | 145 | 145 | 145 | 182.9479 | -1 (-0.68%) | 1,500,000 |
| 27 May 1988 | GBX | 146 | 146 | 146 | 146 | 184.2096 | -1 (-0.68%) | 589,000 |
| 26 May 1988 | GBX | 147 | 147 | 147 | 147 | 185.4713 | -1 (-0.68%) | 373,000 |
| 25 May 1988 | GBX | 148 | 148 | 148 | 148 | 186.733 | +1 (+0.68%) | 1,600,000 |
| 24 May 1988 | GBX | 147 | 147 | 147 | 147 | 185.4713 | +2 (+1.38%) | 2,000,000 |
| 23 May 1988 | GBX | 145 | 145 | 145 | 145 | 182.9479 | +1 (+0.69%) | 1,300,000 |
| 20 May 1988 | GBX | 144 | 144 | 144 | 144 | 181.6862 | -1 (-0.69%) | 4,000,000 |
| 19 May 1988 | GBX | 145 | 145 | 145 | 145 | 182.9479 | -3 (-2.03%) | 1,600,000 |
| 18 May 1988 | GBX | 148 | 148 | 148 | 148 | 186.733 | -1 (-0.67%) | 3,200,000 |
| 17 May 1988 | GBX | 149 | 149 | 149 | 149 | 187.9947 | -1 (-0.67%) | 2,400,000 |
| 12 May 1988 | GBX | 150 | 150 | 150 | 150 | 189.2565 | +2 (+1.35%) | 1,600,000 |
| 11 May 1988 | GBX | 148 | 148 | 148 | 148 | 186.733 | -6 (-3.90%) | 2,100,000 |
| 10 May 1988 | GBX | 154 | 154 | 154 | 154 | 194.3033 | +3 (+1.99%) | 1,700,000 |
| 9 May 1988 | GBX | 151 | 151 | 151 | 151 | 190.5182 | +1 (+0.67%) | 952,000 |
| 6 May 1988 | GBX | 150 | 150 | 150 | 150 | 189.2565 | +2 (+1.35%) | 4,200,000 |
| 5 May 1988 | GBX | 148 | 148 | 148 | 148 | 186.733 | -2 (-1.33%) | 2,000,000 |
| 4 May 1988 | GBX | 150 | 150 | 150 | 150 | 189.2565 | -2 (-1.32%) | 1,900,000 |
| 27 Apr 1988 | GBX | 152 | 152 | 152 | 152 | 191.7799 | -3 (-1.94%) | 1,500,000 |
| 25 Apr 1988 | GBX | 155 | 155 | 155 | 155 | 195.565 | -1 (-0.64%) | 739,000 |
| 21 Apr 1988 | GBX | 156 | 156 | 156 | 156 | 196.8267 | +1 (+0.65%) | 1,000,000 |
| 19 Apr 1988 | GBX | 155 | 155 | 155 | 155 | 195.565 | +2 (+1.31%) | 1,900,000 |
| 18 Apr 1988 | GBX | 153 | 153 | 153 | 153 | 193.0416 | +1 (+0.66%) | 1,700,000 |
| 15 Apr 1988 | GBX | 152 | 152 | 152 | 152 | 191.7799 | -2 (-1.30%) | 3,900,000 |
| 14 Apr 1988 | GBX | 154 | 154 | 154 | 154 | 194.3033 | -7 (-4.35%) | 4,100,000 |
| 13 Apr 1988 | GBX | 161 | 161 | 161 | 161 | 203.1353 | +3 (+1.90%) | 5,600,000 |
| 12 Apr 1988 | GBX | 158 | 158 | 158 | 158 | 199.3501 | -5 (-3.07%) | 5,900,000 |
| 11 Apr 1988 | GBX | 163 | 163 | 163 | 163 | 205.6587 | +1 (+0.62%) | 2,400,000 |
| 8 Apr 1988 | GBX | 162 | 162 | 162 | 162 | 204.397 | +1 (+0.62%) | 3,400,000 |
| 7 Apr 1988 | GBX | 161 | 161 | 161 | 161 | 203.1353 | +4 (+2.55%) | 3,700,000 |
| 6 Apr 1988 | GBX | 157 | 157 | 157 | 157 | 198.0884 | +3 (+1.95%) | 2,300,000 |
