| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 May 1988 | GBX | 405 | 405 | 405 | 405 | 467.8446 | -5 (-1.22%) | 1,000,000 |
| 18 May 1988 | GBX | 410 | 410 | 410 | 410 | 473.6205 | -7 (-1.68%) | 1,700,000 |
| 17 May 1988 | GBX | 417 | 417 | 417 | 417 | 481.7067 | +4 (+0.97%) | 1,800,000 |
| 16 May 1988 | GBX | 413 | 413 | 413 | 413 | 477.086 | +14 (+3.51%) | 4,600,000 |
| 13 May 1988 | GBX | 399 | 399 | 399 | 399 | 460.9136 | -6 (-1.48%) | 1,100,000 |
| 12 May 1988 | GBX | 405 | 405 | 405 | 405 | 467.8446 | +5 (+1.25%) | 1,200,000 |
| 11 May 1988 | GBX | 400 | 400 | 400 | 400 | 462.0688 | -16 (-3.85%) | 846,000 |
| 10 May 1988 | GBX | 416 | 416 | 416 | 416 | 480.5515 | -3 (-0.72%) | 954,000 |
| 9 May 1988 | GBX | 419 | 419 | 419 | 419 | 484.017 | -1 (-0.24%) | 388,000 |
| 6 May 1988 | GBX | 420 | 420 | 420 | 420 | 485.1722 | -1 (-0.24%) | 2,300,000 |
| 5 May 1988 | GBX | 421 | 421 | 421 | 421 | 486.3274 | +6 (+1.45%) | 4,300,000 |
| 4 May 1988 | GBX | 415 | 415 | 415 | 415 | 479.3964 | +10 (+2.47%) | 2,100,000 |
| 3 May 1988 | GBX | 405 | 405 | 405 | 405 | 467.8446 | +2 (+0.50%) | 706,000 |
| 29 Apr 1988 | GBX | 403 | 403 | 403 | 403 | 465.5343 | +7 (+1.77%) | 1,600,000 |
| 28 Apr 1988 | GBX | 396 | 396 | 396 | 396 | 457.4481 | +5 (+1.28%) | 1,000,000 |
| 27 Apr 1988 | GBX | 391 | 391 | 391 | 391 | 451.6722 | +8 (+2.09%) | 1,200,000 |
| 26 Apr 1988 | GBX | 383 | 383 | 383 | 383 | 442.4309 | +1 (+0.26%) | 556,000 |
| 25 Apr 1988 | GBX | 382 | 382 | 382 | 382 | 441.2757 | -3 (-0.78%) | 835,000 |
| 22 Apr 1988 | GBX | 385 | 385 | 385 | 385 | 444.7412 | -2 (-0.52%) | 1,000,000 |
| 21 Apr 1988 | GBX | 387 | 387 | 387 | 387 | 447.0515 | +2 (+0.52%) | 502,000 |
| 20 Apr 1988 | GBX | 385 | 385 | 385 | 385 | 444.7412 | -1 (-0.26%) | 673,000 |
| 19 Apr 1988 | GBX | 386 | 386 | 386 | 386 | 445.8964 | -2 (-0.52%) | 1,300,000 |
| 18 Apr 1988 | GBX | 388 | 388 | 388 | 388 | 448.2067 | +2 (+0.52%) | 788,000 |
| 15 Apr 1988 | GBX | 386 | 386 | 386 | 386 | 445.8964 | -4 (-1.03%) | 1,800,000 |
| 14 Apr 1988 | GBX | 390 | 390 | 390 | 390 | 450.5171 | -10 (-2.50%) | 716,000 |
| 13 Apr 1988 | GBX | 400 | 400 | 400 | 400 | 462.0688 | +1 (+0.25%) | 1,400,000 |
| 12 Apr 1988 | GBX | 399 | 399 | 399 | 399 | 460.9136 | +4 (+1.01%) | 566,000 |
| 11 Apr 1988 | GBX | 395 | 395 | 395 | 395 | 456.2929 | +5 (+1.28%) | 523,000 |
| 8 Apr 1988 | GBX | 390 | 390 | 390 | 390 | 450.5171 | +1 (+0.26%) | 561,000 |
| 7 Apr 1988 | GBX | 389 | 389 | 389 | 389 | 449.3619 | +2 (+0.52%) | 1,000,000 |
