| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 7 Feb 1991 | GBX | 321 | 326 | 316 | 321 | 321 | +12 (+3.88%) | 23,414,570 |
| 6 Feb 1991 | GBX | 309 | 314 | 304 | 309 | 309 | +4 (+1.31%) | 12,185,834 |
| 5 Feb 1991 | GBX | 305 | 310 | 300 | 305 | 305 | +3 (+0.99%) | 20,485,462 |
| 4 Feb 1991 | GBX | 302 | 307 | 297 | 302 | 302 | -1 (-0.33%) | 17,796,092 |
| 1 Feb 1991 | GBX | 303 | 308 | 298 | 303 | 303 | -2 (-0.66%) | 13,388,638 |
| 31 Jan 1991 | GBX | 305 | 310 | 300 | 305 | 305 | +4 (+1.33%) | 15,426,298 |
| 30 Jan 1991 | GBX | 301 | 306 | 296 | 301 | 301 | +1 (+0.33%) | 14,750,972 |
| 28 Jan 1991 | GBX | 300 | 305 | 295 | 300 | 300 | +1.5 (+0.50%) | 14,952,298 |
| 25 Jan 1991 | GBX | 298.5 | 303 | 293 | 298.5 | 298.5 | -0.5 (-0.17%) | 7,429,278 |
| 24 Jan 1991 | GBX | 299 | 304 | 294 | 299 | 299 | 0.0 (0.0%) | 10,939,580 |
| 23 Jan 1991 | GBX | 299 | 304 | 294 | 299 | 299 | -2 (-0.66%) | 12,845,186 |
| 22 Jan 1991 | GBX | 301 | 306 | 296 | 301 | 301 | +5 (+1.69%) | 18,595,702 |
| 21 Jan 1991 | GBX | 296 | 301 | 291 | 296 | 296 | -8 (-2.63%) | 12,538,484 |
| 18 Jan 1991 | GBX | 304 | 309 | 299 | 304 | 304 | -5 (-1.62%) | 22,954,456 |
| 17 Jan 1991 | GBX | 309 | 314 | 304 | 309 | 309 | -9 (-2.83%) | 32,688,072 |
| 16 Jan 1991 | GBX | 318 | 323 | 313 | 318 | 318 | -3 (-0.93%) | 4,724,502 |
| 11 Jan 1991 | GBX | 321 | 326 | 316 | 321 | 321 | +4 (+1.26%) | 13,307,268 |
| 10 Jan 1991 | GBX | 317 | 322 | 312 | 317 | 317 | -2 (-0.63%) | 5,208,098 |
| 9 Jan 1991 | GBX | 319 | 324 | 314 | 319 | 319 | -4 (-1.24%) | 10,402,316 |
| 8 Jan 1991 | GBX | 323 | 328 | 318 | 323 | 323 | -2 (-0.62%) | 1,972,152 |
| 7 Jan 1991 | GBX | 325 | 330 | 320 | 325 | 325 | +2 (+0.62%) | 6,685,698 |
| 4 Jan 1991 | GBX | 323 | 328 | 318 | 323 | 323 | -5 (-1.52%) | 6,916,184 |
| 3 Jan 1991 | GBX | 328 | 333 | 323 | 328 | 328 | -7 (-2.09%) | 13,209,920 |
| 2 Jan 1991 | GBX | 335 | 340 | 330 | 335 | 335 | +1 (+0.30%) | 2,138,284 |
| 31 Dec 1990 | GBX | 334 | 339 | 329 | 334 | 334 | -2 (-0.60%) | 7,363,796 |
| 28 Dec 1990 | GBX | 336 | 341 | 331 | 336 | 336 | -3 (-0.88%) | 4,228,928 |
| 27 Dec 1990 | GBX | 339 | 344 | 334 | 339 | 339 | 0.0 (0.0%) | 3,628,846 |
| 24 Dec 1990 | GBX | 339 | 344 | 334 | 339 | 339 | +4 (+1.19%) | 1,951,140 |
| 21 Dec 1990 | GBX | 335 | 340 | 330 | 335 | 335 | +3 (+0.90%) | 13,051,798 |
| 20 Dec 1990 | GBX | 332 | 337 | 327 | 332 | 332 | -1.5 (-0.45%) | 12,670,892 |
