| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 9 May 1991 | GBX | 239 | 240 | 239 | 240 | 239.8385 | -3 (-1.23%) | 75,900 |
| 8 May 1991 | GBX | 245 | 245 | 240.5 | 243 | 242.8365 | +2 (+0.83%) | 73,513 |
| 7 May 1991 | GBX | 241 | 246 | 241 | 241 | 240.8379 | +1 (+0.42%) | 173,270 |
| 3 May 1991 | GBX | 240 | 241.875 | 240 | 240 | 239.8385 | -4 (-1.64%) | 36,500 |
| 2 May 1991 | GBX | 242 | 244 | 240 | 244 | 243.8359 | +4 (+1.67%) | 873,540 |
| 1 May 1991 | GBX | 233 | 240 | 233 | 240 | 239.8385 | +3 (+1.27%) | 581,080 |
| 30 Apr 1991 | GBX | 234 | 237 | 234 | 237 | 236.8406 | 0.0 (0.0%) | 178,075 |
| 29 Apr 1991 | GBX | 234 | 237 | 232 | 237 | 236.8406 | +2 (+0.85%) | 533,324 |
| 26 Apr 1991 | GBX | 234 | 235 | 234 | 235 | 234.8419 | +5 (+2.17%) | 5,705 |
| 25 Apr 1991 | GBX | 231 | 232 | 230 | 230 | 229.8453 | -4 (-1.71%) | 166,000 |
| 24 Apr 1991 | GBX | 230 | 234 | 230 | 234 | 233.8426 | +1 (+0.43%) | 104,950 |
| 23 Apr 1991 | GBX | 232 | 235 | 232 | 233 | 232.8433 | -3 (-1.27%) | 2,591,950 |
| 19 Apr 1991 | GBX | 238 | 238 | 236 | 236 | 235.8412 | -4 (-1.67%) | 155,345 |
| 18 Apr 1991 | GBX | 236 | 240 | 236 | 240 | 239.8385 | +3 (+1.27%) | 25,000 |
| 17 Apr 1991 | GBX | 236 | 242 | 236 | 237 | 236.8406 | -3 (-1.25%) | 211,400 |
| 16 Apr 1991 | GBX | 240 | 240 | 234 | 240 | 239.8385 | +1 (+0.42%) | 146,694 |
| 15 Apr 1991 | GBX | 238 | 239 | 233 | 239 | 238.8392 | 0.0 (0.0%) | 317,650 |
| 12 Apr 1991 | GBX | 235 | 239 | 235 | 239 | 238.8392 | +4 (+1.70%) | 236,500 |
| 11 Apr 1991 | GBX | 240 | 240 | 235 | 235 | 234.8419 | -4 (-1.67%) | 26,978 |
| 10 Apr 1991 | GBX | 240 | 240 | 234 | 239 | 238.8392 | +2 (+0.84%) | 286,825 |
| 9 Apr 1991 | GBX | 238 | 238 | 237 | 237 | 236.8406 | -5 (-2.07%) | 95,512 |
| 8 Apr 1991 | GBX | 243 | 243.875 | 238 | 242 | 241.8372 | -1 (-0.41%) | 225,944 |
| 5 Apr 1991 | GBX | 248 | 249 | 243 | 243 | 242.8365 | -2 (-0.82%) | 114,937 |
| 4 Apr 1991 | GBX | 242 | 247 | 240 | 245 | 244.8352 | +5 (+2.08%) | 135,894 |
| 3 Apr 1991 | GBX | 233.5 | 247 | 233.5 | 240 | 239.8385 | +8 (+3.45%) | 373,515 |
| 2 Apr 1991 | GBX | 235 | 237 | 231 | 232 | 231.8439 | -2 (-0.85%) | 102,400 |
| 28 Mar 1991 | GBX | 233.5 | 237 | 230 | 234 | 233.8426 | -3 (-1.27%) | 2,971,101 |
| 27 Mar 1991 | GBX | 232 | 237 | 230.5 | 237 | 236.8406 | +6 (+2.60%) | 987,000 |
| 26 Mar 1991 | GBX | 226.75 | 233 | 226.75 | 231 | 230.8446 | +5 (+2.21%) | 1,011,227 |
| 25 Mar 1991 | GBX | 225 | 230 | 225 | 226 | 225.848 | -3 (-1.31%) | 377,941 |
