| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 7 May 1991 | GBX | 354 | 359 | 349 | 354 | 354 | -1 (-0.28%) | 6,816,176 |
| 3 May 1991 | GBX | 355 | 360 | 350 | 355 | 355 | -2 (-0.56%) | 10,105,366 |
| 2 May 1991 | GBX | 357 | 362 | 352 | 357 | 357 | +6 (+1.71%) | 12,136,778 |
| 1 May 1991 | GBX | 351 | 356 | 346 | 351 | 351 | +7 (+2.03%) | 6,858,706 |
| 30 Apr 1991 | GBX | 344 | 349 | 339 | 344 | 344 | -6 (-1.71%) | 8,329,048 |
| 29 Apr 1991 | GBX | 350 | 355 | 345 | 350 | 350 | +4 (+1.16%) | 6,567,380 |
| 26 Apr 1991 | GBX | 346 | 351 | 341 | 346 | 346 | 0.0 (0.0%) | 6,444,962 |
| 25 Apr 1991 | GBX | 346 | 351 | 341 | 346 | 346 | -3.5 (-1.00%) | 7,602,796 |
| 24 Apr 1991 | GBX | 349.5 | 354 | 344 | 349.5 | 349.5 | -4.5 (-1.27%) | 15,321,792 |
| 23 Apr 1991 | GBX | 354 | 359 | 349 | 354 | 354 | +5 (+1.43%) | 10,195,296 |
| 22 Apr 1991 | GBX | 349 | 354 | 344 | 349 | 349 | -1.5 (-0.43%) | 6,891,384 |
| 19 Apr 1991 | GBX | 350.5 | 355 | 345 | 350.5 | 350.5 | -2.5 (-0.71%) | 7,017,366 |
| 18 Apr 1991 | GBX | 353 | 358 | 348 | 353 | 353 | -4 (-1.12%) | 8,848,810 |
| 17 Apr 1991 | GBX | 357 | 362 | 352 | 357 | 357 | +4.5 (+1.28%) | 12,546,744 |
| 16 Apr 1991 | GBX | 352.5 | 357 | 347 | 352.5 | 352.5 | -2.5 (-0.70%) | 10,630,798 |
| 15 Apr 1991 | GBX | 355 | 360 | 350 | 355 | 355 | +6 (+1.72%) | 19,567,096 |
| 12 Apr 1991 | GBX | 349 | 354 | 344 | 349 | 349 | +7.5 (+2.20%) | 17,946,652 |
| 11 Apr 1991 | GBX | 341.5 | 346 | 336 | 341.5 | 341.5 | +8 (+2.40%) | 25,167,238 |
| 10 Apr 1991 | GBX | 333.5 | 338 | 328 | 333.5 | 333.5 | +0.5 (+0.15%) | 9,903,464 |
| 9 Apr 1991 | GBX | 333 | 338 | 328 | 333 | 333 | -1 (-0.30%) | 7,328,016 |
| 8 Apr 1991 | GBX | 334 | 339 | 329 | 334 | 334 | -1 (-0.30%) | 6,775,930 |
| 5 Apr 1991 | GBX | 335 | 340 | 330 | 335 | 335 | +4 (+1.21%) | 29,133,134 |
| 4 Apr 1991 | GBX | 331 | 336 | 326 | 331 | 331 | 0.0 (0.0%) | 18,711,634 |
| 3 Apr 1991 | GBX | 331 | 336 | 326 | 331 | 331 | -2 (-0.60%) | 21,137,168 |
| 2 Apr 1991 | GBX | 333 | 338 | 328 | 333 | 333 | -1 (-0.30%) | 6,527,984 |
| 28 Mar 1991 | GBX | 334 | 339 | 329 | 334 | 334 | -1.5 (-0.45%) | 21,074,562 |
| 27 Mar 1991 | GBX | 335.5 | 340 | 330 | 335.5 | 335.5 | +4.5 (+1.36%) | 11,987,256 |
| 26 Mar 1991 | GBX | 331 | 336 | 326 | 331 | 331 | -2 (-0.60%) | 27,156,668 |
| 25 Mar 1991 | GBX | 333 | 338 | 328 | 333 | 333 | +0.5 (+0.15%) | 10,579,992 |
| 22 Mar 1991 | GBX | 332.5 | 337 | 327 | 332.5 | 332.5 | -6.5 (-1.92%) | 11,068,574 |
