| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1991 | GBX | 241 | 242 | 241 | 241.5 | 254.0455 | -0.5 (-0.21%) | 0 |
| 3 Jun 1991 | GBX | 241 | 242 | 241 | 242 | 254.5715 | +1 (+0.41%) | 0 |
| 31 May 1991 | GBX | 241 | 241 | 241 | 241 | 253.5196 | 0.0 (0.0%) | 0 |
| 30 May 1991 | GBX | 241 | 241 | 241 | 241 | 253.5196 | +6 (+2.55%) | 0 |
| 29 May 1991 | GBX | 241 | 241 | 235 | 235 | 247.2079 | -6 (-2.49%) | 0 |
| 28 May 1991 | GBX | 241 | 241 | 241 | 241 | 253.5196 | 0.0 (0.0%) | 0 |
| 23 May 1991 | GBX | 241 | 241 | 241 | 241 | 253.5196 | 0.0 (0.0%) | 0 |
| 22 May 1991 | GBX | 241 | 241 | 241 | 241 | 253.5196 | 0.0 (0.0%) | 0 |
| 21 May 1991 | GBX | 242 | 242 | 241 | 241 | 253.5196 | -1 (-0.41%) | 0 |
| 20 May 1991 | GBX | 242 | 242 | 242 | 242 | 254.5715 | 0.0 (0.0%) | 0 |
| 17 May 1991 | GBX | 243 | 243 | 242 | 242 | 254.5715 | -1 (-0.41%) | 0 |
| 16 May 1991 | GBX | 243 | 243 | 243 | 243 | 255.6235 | 0.0 (0.0%) | 0 |
| 15 May 1991 | GBX | 243 | 243 | 243 | 243 | 255.6235 | 0.0 (0.0%) | 0 |
| 14 May 1991 | GBX | 243 | 243 | 243 | 243 | 255.6235 | 0.0 (0.0%) | 0 |
| 13 May 1991 | GBX | 243 | 244 | 243 | 243 | 255.6235 | -2 (-0.82%) | 0 |
| 10 May 1991 | GBX | 245 | 245 | 245 | 245 | 257.7273 | 0.0 (0.0%) | 0 |
| 9 May 1991 | GBX | 245 | 245 | 245 | 245 | 257.7273 | 0.0 (0.0%) | 0 |
| 8 May 1991 | GBX | 246 | 246 | 245 | 245 | 257.7273 | 0.0 (0.0%) | 0 |
| 7 May 1991 | GBX | 245 | 245 | 245 | 245 | 257.7273 | 0.0 (0.0%) | 0 |
| 3 May 1991 | GBX | 245 | 245 | 245 | 245 | 257.7273 | 0.0 (0.0%) | 0 |
| 2 May 1991 | GBX | 243 | 245 | 243 | 245 | 257.7273 | +2 (+0.82%) | 0 |
| 1 May 1991 | GBX | 238 | 243 | 238 | 243 | 255.6235 | +5 (+2.10%) | 0 |
| 30 Apr 1991 | GBX | 238 | 238 | 238 | 238 | 250.3637 | -4 (-1.65%) | 0 |
| 29 Apr 1991 | GBX | 241 | 242 | 241 | 242 | 254.5715 | -2 (-0.82%) | 0 |
| 26 Apr 1991 | GBX | 243 | 244 | 243 | 244 | 256.6754 | 0.0 (0.0%) | 0 |
| 25 Apr 1991 | GBX | 243 | 244 | 243 | 244 | 256.6754 | 0.0 (0.0%) | 0 |
| 24 Apr 1991 | GBX | 243 | 244 | 243 | 244 | 256.6754 | 0.0 (0.0%) | 0 |
| 23 Apr 1991 | GBX | 250 | 250 | 244 | 244 | 256.6754 | -6 (-2.40%) | 0 |
| 22 Apr 1991 | GBX | 255 | 255 | 250 | 250 | 262.9871 | -4 (-1.57%) | 0 |
| 19 Apr 1991 | GBX | 253 | 254 | 252 | 254 | 267.1949 | +2 (+0.79%) | 0 |
