| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 18 Sep 1991 | GBX | 287 | 290 | 285 | 285 | 2,850 | 0.0 (0.0%) | 68,400 |
| 17 Sep 1991 | GBX | 294 | 295 | 284 | 285 | 2,850 | -12 (-4.04%) | 423,450 |
| 16 Sep 1991 | GBX | 300 | 300 | 296 | 297 | 2,970 | -3 (-1%) | 82,035 |
| 13 Sep 1991 | GBX | 306 | 308 | 300 | 300 | 3,000 | -3 (-0.99%) | 558,115 |
| 12 Sep 1991 | GBX | 304.875 | 308 | 303 | 303 | 3,030 | 0.0 (0.0%) | 49,835 |
| 11 Sep 1991 | GBX | 309 | 311 | 303 | 303 | 3,030 | -8 (-2.57%) | 552,690 |
| 10 Sep 1991 | GBX | 311 | 315 | 308 | 311 | 3,110 | -2 (-0.64%) | 3,231,305 |
| 9 Sep 1991 | GBX | 320 | 320 | 313 | 313 | 3,130 | -5 (-1.57%) | 335,925 |
| 6 Sep 1991 | GBX | 316 | 320 | 315 | 318 | 3,180 | +4 (+1.27%) | 248,425 |
| 5 Sep 1991 | GBX | 313 | 315 | 313 | 314 | 3,140 | -0.5 (-0.16%) | 187,690 |
| 4 Sep 1991 | GBX | 308 | 315 | 308 | 314.5 | 3,145 | +3.5 (+1.13%) | 477,470 |
| 3 Sep 1991 | GBX | 312 | 312 | 307 | 311 | 3,110 | +2 (+0.65%) | 44,115 |
| 2 Sep 1991 | GBX | 307 | 310 | 305 | 309 | 3,090 | +2 (+0.65%) | 149,175 |
| 30 Aug 1991 | GBX | 305 | 307 | 302 | 307 | 3,070 | +2 (+0.66%) | 525,966 |
| 29 Aug 1991 | GBX | 303 | 305 | 301 | 305 | 3,050 | +3.5 (+1.16%) | 216,785 |
| 28 Aug 1991 | GBX | 301 | 305 | 301 | 301.5 | 3,015 | +1.5 (+0.50%) | 937,625 |
| 27 Aug 1991 | GBX | 300 | 303 | 299 | 300 | 3,000 | -1 (-0.33%) | 102,260 |
| 23 Aug 1991 | GBX | 301 | 301 | 301 | 301 | 3,010 | +2 (+0.67%) | 2,000 |
| 22 Aug 1991 | GBX | 303 | 303 | 299 | 299 | 2,990 | -3 (-0.99%) | 25,670 |
| 21 Aug 1991 | GBX | 300 | 302 | 296 | 302 | 3,020 | +7 (+2.37%) | 147,883 |
| 20 Aug 1991 | GBX | 297 | 300 | 295 | 295 | 2,950 | +2 (+0.68%) | 30,210 |
| 19 Aug 1991 | GBX | 292 | 297 | 292 | 293 | 2,930 | -7 (-2.33%) | 108,144 |
| 16 Aug 1991 | GBX | 300 | 300 | 297 | 300 | 3,000 | -1 (-0.33%) | 60,575 |
| 15 Aug 1991 | GBX | 297 | 305 | 297 | 301 | 3,010 | +11 (+3.79%) | 418,035 |
| 14 Aug 1991 | GBX | 291 | 295 | 290 | 290 | 2,900 | +1 (+0.35%) | 151,700 |
| 13 Aug 1991 | GBX | 289.5 | 292 | 288 | 289 | 2,890 | +1 (+0.35%) | 211,125 |
| 12 Aug 1991 | GBX | 285 | 288 | 283 | 288 | 2,880 | +2 (+0.70%) | 125,190 |
| 9 Aug 1991 | GBX | 286 | 287 | 283 | 286 | 2,860 | +3 (+1.06%) | 146,900 |
| 8 Aug 1991 | GBX | 285 | 285 | 280 | 283 | 2,830 | +3 (+1.07%) | 259,527 |
| 7 Aug 1991 | GBX | 282 | 285 | 280 | 280 | 2,800 | +2 (+0.72%) | 412,840 |
