| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 Jun 1991 | GBX | 332 | 337 | 327 | 332 | 332 | -5.5 (-1.63%) | 7,496,352 |
| 18 Jun 1991 | GBX | 337.5 | 342 | 332 | 337.5 | 337.5 | -2.5 (-0.74%) | 6,166,112 |
| 17 Jun 1991 | GBX | 340 | 345 | 335 | 340 | 340 | +6 (+1.80%) | 3,418,464 |
| 14 Jun 1991 | GBX | 334 | 339 | 329 | 334 | 334 | +3 (+0.91%) | 5,534,238 |
| 13 Jun 1991 | GBX | 331 | 336 | 326 | 331 | 331 | -3 (-0.90%) | 9,538,336 |
| 12 Jun 1991 | GBX | 334 | 339 | 329 | 334 | 334 | -5 (-1.47%) | 10,946,982 |
| 11 Jun 1991 | GBX | 339 | 344 | 334 | 339 | 339 | +4 (+1.19%) | 7,631,208 |
| 10 Jun 1991 | GBX | 335 | 340 | 330 | 335 | 335 | -1 (-0.30%) | 7,605,018 |
| 7 Jun 1991 | GBX | 336 | 341 | 331 | 336 | 336 | 0.0 (0.0%) | 4,946,614 |
| 6 Jun 1991 | GBX | 336 | 341 | 331 | 336 | 336 | +1 (+0.30%) | 9,278,848 |
| 5 Jun 1991 | GBX | 335 | 340 | 330 | 335 | 335 | -3 (-0.89%) | 6,519,500 |
| 4 Jun 1991 | GBX | 338 | 343 | 333 | 338 | 338 | 0.0 (0.0%) | 12,888,968 |
| 3 Jun 1991 | GBX | 338 | 343 | 333 | 338 | 338 | +5 (+1.50%) | 10,690,946 |
| 31 May 1991 | GBX | 333 | 338 | 328 | 333 | 333 | +3 (+0.91%) | 12,293,086 |
| 30 May 1991 | GBX | 330 | 335 | 325 | 330 | 330 | +6 (+1.85%) | 10,207,928 |
| 29 May 1991 | GBX | 324 | 329 | 319 | 324 | 324 | +3 (+0.93%) | 11,208,736 |
| 28 May 1991 | GBX | 321 | 326 | 316 | 321 | 321 | +1 (+0.31%) | 8,158,650 |
| 24 May 1991 | GBX | 320 | 325 | 315 | 320 | 320 | -2 (-0.62%) | 15,232,832 |
| 23 May 1991 | GBX | 322 | 327 | 317 | 322 | 322 | -3 (-0.92%) | 6,992,194 |
| 22 May 1991 | GBX | 325 | 330 | 320 | 325 | 325 | -3 (-0.91%) | 17,876,792 |
| 21 May 1991 | GBX | 328 | 333 | 323 | 328 | 328 | +7 (+2.18%) | 10,991,368 |
| 20 May 1991 | GBX | 321 | 326 | 316 | 321 | 321 | -1 (-0.31%) | 9,273,138 |
| 17 May 1991 | GBX | 322 | 327 | 317 | 322 | 322 | -3 (-0.92%) | 18,227,546 |
| 16 May 1991 | GBX | 325 | 330 | 320 | 325 | 325 | -0.5 (-0.15%) | 12,654,932 |
| 15 May 1991 | GBX | 325.5 | 330 | 320 | 325.5 | 325.5 | -4.5 (-1.36%) | 8,200,712 |
| 14 May 1991 | GBX | 330 | 335 | 325 | 330 | 330 | -4 (-1.20%) | 10,544,452 |
| 13 May 1991 | GBX | 334 | 339 | 329 | 334 | 334 | -10 (-2.91%) | 9,668,754 |
| 10 May 1991 | GBX | 344 | 349 | 339 | 344 | 344 | -2 (-0.58%) | 7,967,204 |
| 9 May 1991 | GBX | 346 | 351 | 341 | 346 | 346 | +3 (+0.87%) | 12,628,418 |
| 8 May 1991 | GBX | 343 | 348 | 338 | 343 | 343 | -11 (-3.11%) | 16,095,878 |
