| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 10 May 1991 | GBX | 360 | 360 | 355 | 355 | 355 | -8 (-2.20%) | 8,000 |
| 7 May 1991 | GBX | 360 | 363 | 360 | 363 | 363 | 0.0 (0.0%) | 5,060 |
| 3 May 1991 | GBX | 373 | 373 | 360 | 363 | 363 | -10 (-2.68%) | 38,600 |
| 2 May 1991 | GBX | 373 | 373 | 373 | 373 | 373 | +8 (+2.19%) | 2,352 |
| 1 May 1991 | GBX | 368 | 368 | 365 | 365 | 365 | 0.0 (0.0%) | 7,896 |
| 30 Apr 1991 | GBX | 365 | 365 | 365 | 365 | 365 | 0.0 (0.0%) | 3,900 |
| 26 Apr 1991 | GBX | 367 | 367 | 365 | 365 | 365 | 0.0 (0.0%) | 10,000 |
| 25 Apr 1991 | GBX | 374 | 374 | 365 | 365 | 365 | -2 (-0.54%) | 3,400 |
| 24 Apr 1991 | GBX | 367 | 367 | 367 | 367 | 367 | -7 (-1.87%) | 5,500 |
| 23 Apr 1991 | GBX | 375 | 375 | 365 | 374 | 374 | +3 (+0.81%) | 5,000 |
| 19 Apr 1991 | GBX | 371 | 373 | 365 | 371 | 371 | -2 (-0.54%) | 125,000 |
| 16 Apr 1991 | GBX | 373 | 373 | 373 | 373 | 373 | +2 (+0.54%) | 1,000 |
| 15 Apr 1991 | GBX | 371 | 371 | 371 | 371 | 371 | +5 (+1.37%) | 10,000 |
| 12 Apr 1991 | GBX | 373 | 373 | 365 | 366 | 366 | +1 (+0.27%) | 105,570 |
| 10 Apr 1991 | GBX | 365 | 365 | 365 | 365 | 365 | -11 (-2.93%) | 9,350 |
| 9 Apr 1991 | GBX | 370 | 376 | 370 | 376 | 376 | +5 (+1.35%) | 27,500 |
| 8 Apr 1991 | GBX | 382 | 382 | 370 | 371 | 371 | -5.75 (-1.53%) | 1,882,900 |
| 5 Apr 1991 | GBX | 373 | 380 | 373 | 376.75 | 376.75 | +3.75 (+1.01%) | 23,400 |
| 4 Apr 1991 | GBX | 373 | 373 | 373 | 373 | 373 | 0.0 (0.0%) | 3,000 |
| 3 Apr 1991 | GBX | 368.75 | 378 | 368.75 | 373 | 373 | +5 (+1.36%) | 187,390 |
| 2 Apr 1991 | GBX | 375 | 376 | 368 | 368 | 368 | -4.5 (-1.21%) | 14,320 |
| 28 Mar 1991 | GBX | 369.5 | 375 | 368 | 372.5 | 372.5 | +4.5 (+1.22%) | 16,784 |
| 27 Mar 1991 | GBX | 370 | 376 | 368 | 368 | 368 | 0.0 (0.0%) | 19,200 |
| 26 Mar 1991 | GBX | 369.5 | 377 | 368 | 368 | 368 | 0.0 (0.0%) | 7,350 |
| 25 Mar 1991 | GBX | 368 | 368 | 368 | 368 | 368 | -2 (-0.54%) | 3,100 |
| 22 Mar 1991 | GBX | 372 | 373 | 368 | 370 | 370 | 0.0 (0.0%) | 303,950 |
| 21 Mar 1991 | GBX | 368 | 375 | 368 | 370 | 370 | +2 (+0.54%) | 15,790 |
| 20 Mar 1991 | GBX | 368 | 368 | 368 | 368 | 368 | -4 (-1.08%) | 3,400 |
| 19 Mar 1991 | GBX | 372 | 372 | 372 | 372 | 372 | +2 (+0.54%) | 8,150 |
| 18 Mar 1991 | GBX | 372 | 380 | 370 | 370 | 370 | -2 (-0.54%) | 9,545 |
