| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 17 May 1988 | GBX | 318 | 318 | 318 | 318 | 317.7706 | -6 (-1.85%) | 1,800,000 |
| 16 May 1988 | GBX | 324 | 324 | 324 | 324 | 323.7662 | -3 (-0.92%) | 512,000 |
| 13 May 1988 | GBX | 327 | 327 | 327 | 327 | 326.7641 | +2 (+0.62%) | 296,000 |
| 12 May 1988 | GBX | 325 | 325 | 325 | 325 | 324.7655 | +1 (+0.31%) | 59,000 |
| 11 May 1988 | GBX | 324 | 324 | 324 | 324 | 323.7662 | -3 (-0.92%) | 497,000 |
| 10 May 1988 | GBX | 327 | 327 | 327 | 327 | 326.7641 | -3 (-0.91%) | 532,000 |
| 6 May 1988 | GBX | 330 | 330 | 330 | 330 | 329.7619 | +1 (+0.30%) | 557,000 |
| 4 May 1988 | GBX | 329 | 329 | 329 | 329 | 328.7626 | +4 (+1.23%) | 2,000,000 |
| 3 May 1988 | GBX | 325 | 325 | 325 | 325 | 324.7655 | -4 (-1.22%) | 2,900,000 |
| 29 Apr 1988 | GBX | 329 | 329 | 329 | 329 | 328.7626 | -5 (-1.50%) | 1,300,000 |
| 27 Apr 1988 | GBX | 334 | 334 | 334 | 334 | 333.759 | -1 (-0.30%) | 2,000,000 |
| 25 Apr 1988 | GBX | 335 | 335 | 335 | 335 | 334.7583 | +0.5 (+0.15%) | 1,300,000 |
| 22 Apr 1988 | GBX | 334.5 | 334.5 | 334.5 | 334.5 | 334.2587 | -3.5 (-1.04%) | 1,400,000 |
| 21 Apr 1988 | GBX | 338 | 338 | 338 | 338 | 337.7561 | +2 (+0.60%) | 834,000 |
| 19 Apr 1988 | GBX | 336 | 336 | 336 | 336 | 335.7576 | +7 (+2.13%) | 1,900,000 |
| 18 Apr 1988 | GBX | 329 | 329 | 329 | 329 | 328.7626 | +2 (+0.61%) | 235,000 |
| 15 Apr 1988 | GBX | 327 | 327 | 327 | 327 | 326.7641 | -2 (-0.61%) | 238,000 |
| 14 Apr 1988 | GBX | 329 | 329 | 329 | 329 | 328.7626 | -3 (-0.90%) | 745,000 |
| 13 Apr 1988 | GBX | 332 | 332 | 332 | 332 | 331.7605 | +2 (+0.61%) | 906,000 |
| 12 Apr 1988 | GBX | 330 | 330 | 330 | 330 | 329.7619 | +1 (+0.30%) | 1,400,000 |
| 11 Apr 1988 | GBX | 329 | 329 | 329 | 329 | 328.7626 | +2 (+0.61%) | 1,500,000 |
| 8 Apr 1988 | GBX | 327 | 327 | 327 | 327 | 326.7641 | +4 (+1.24%) | 1,400,000 |
| 7 Apr 1988 | GBX | 323 | 323 | 323 | 323 | 322.767 | +6 (+1.89%) | 1,200,000 |
| 6 Apr 1988 | GBX | 317 | 317 | 317 | 317 | 316.7713 | 0.0 (0.0%) | 743,000 |
| 5 Apr 1988 | GBX | 317 | 317 | 317 | 317 | 316.7713 | -1 (-0.31%) | 999,000 |
| 31 Mar 1988 | GBX | 318 | 318 | 318 | 318 | 317.7706 | -8 (-2.45%) | 928,000 |
| 30 Mar 1988 | GBX | 326 | 326 | 326 | 326 | 325.7648 | +1 (+0.31%) | 444,000 |
| 29 Mar 1988 | GBX | 325 | 325 | 325 | 325 | 324.7655 | +1 (+0.31%) | 1,200,000 |
| 28 Mar 1988 | GBX | 324 | 324 | 324 | 324 | 323.7662 | -4 (-1.22%) | 554,000 |
| 25 Mar 1988 | GBX | 328 | 328 | 328 | 328 | 327.7634 | -4 (-1.20%) | 849,000 |
