| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 20 May 1991 | GBX | 161 | 161 | 158 | 158 | 158 | -3 (-1.86%) | 0 |
| 17 May 1991 | GBX | 161 | 161 | 160 | 161 | 161 | +1 (+0.63%) | 0 |
| 16 May 1991 | GBX | 161 | 161 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 15 May 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 14 May 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 13 May 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 10 May 1991 | GBX | 161 | 161 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 9 May 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 8 May 1991 | GBX | 161 | 161 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 7 May 1991 | GBX | 161 | 161 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 3 May 1991 | GBX | 161 | 161 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 2 May 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 1 May 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 30 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 29 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 26 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 25 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 24 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 23 Apr 1991 | GBX | 160 | 160 | 159 | 160 | 160 | 0.0 (0.0%) | 0 |
| 22 Apr 1991 | GBX | 161 | 161 | 160 | 160 | 160 | -1 (-0.62%) | 0 |
| 19 Apr 1991 | GBX | 161 | 161 | 161 | 161 | 161 | 0.0 (0.0%) | 0 |
| 18 Apr 1991 | GBX | 161 | 161 | 161 | 161 | 161 | +1 (+0.63%) | 0 |
| 17 Apr 1991 | GBX | 161 | 161 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 16 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 15 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 12 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 11 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 10 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 9 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
| 8 Apr 1991 | GBX | 160 | 160 | 160 | 160 | 160 | 0.0 (0.0%) | 0 |
