| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 21 May 1991 | GBX | 275 | 275 | 275 | 275 | 274.9544 | 0.0 (0.0%) | 0 |
| 20 May 1991 | GBX | 275 | 275 | 275 | 275 | 274.9544 | 0.0 (0.0%) | 0 |
| 17 May 1991 | GBX | 275 | 275 | 275 | 275 | 274.9544 | 0.0 (0.0%) | 0 |
| 16 May 1991 | GBX | 275 | 275 | 275 | 275 | 274.9544 | 0.0 (0.0%) | 0 |
| 15 May 1991 | GBX | 275 | 275 | 275 | 275 | 274.9544 | 0.0 (0.0%) | 0 |
| 14 May 1991 | GBX | 275 | 275 | 273 | 275 | 274.9544 | +3 (+1.10%) | 0 |
| 13 May 1991 | GBX | 272 | 272 | 265 | 272 | 271.9549 | +5 (+1.87%) | 0 |
| 10 May 1991 | GBX | 267 | 267 | 266 | 267 | 266.9557 | +1 (+0.38%) | 0 |
| 9 May 1991 | GBX | 266 | 266 | 261 | 266 | 265.9559 | +5 (+1.92%) | 0 |
| 8 May 1991 | GBX | 261 | 261 | 260 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 7 May 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | +15.384 (+6.26%) | 0 |
| 6 May 1991 | GBX | 245.616 | 245.616 | 245.616 | 245.616 | 245.5752 | -14.384 (-5.53%) | 0 |
| 3 May 1991 | GBX | 260 | 260 | 260 | 260 | 259.9568 | -1 (-0.38%) | 0 |
| 2 May 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 1 May 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 30 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 29 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 26 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 25 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 24 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 23 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 22 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 19 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 18 Apr 1991 | GBX | 261 | 261 | 260 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 17 Apr 1991 | GBX | 261 | 261 | 260 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 16 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 15 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 12 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 11 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
| 10 Apr 1991 | GBX | 261 | 261 | 261 | 261 | 260.9567 | 0.0 (0.0%) | 0 |
