| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 15 Feb 1991 | GBX | 83 | 84 | 83 | 83 | 830 | +3 (+3.75%) | 63,000 |
| 13 Feb 1991 | GBX | 80 | 81 | 80 | 80 | 800 | 0.0 (0.0%) | 44,509 |
| 12 Feb 1991 | GBX | 81 | 81 | 79 | 80 | 800 | 0.0 (0.0%) | 773,475 |
| 11 Feb 1991 | GBX | 79 | 80 | 79 | 80 | 800 | +2 (+2.56%) | 47,000 |
| 8 Feb 1991 | GBX | 78 | 78 | 78 | 78 | 780 | +1.5 (+1.96%) | 20,000 |
| 7 Feb 1991 | GBX | 76 | 76.5 | 76 | 76.5 | 765 | +1.5 (+2%) | 200,000 |
| 6 Feb 1991 | GBX | 77 | 77 | 75 | 75 | 750 | -1.5 (-1.96%) | 150,200 |
| 5 Feb 1991 | GBX | 76.5 | 76.5 | 76.5 | 76.5 | 765 | +1.5 (+2%) | 10,000 |
| 4 Feb 1991 | GBX | 75 | 75 | 75 | 75 | 750 | -2 (-2.60%) | 11,500 |
| 1 Feb 1991 | GBX | 78 | 79 | 77 | 77 | 770 | 0.0 (0.0%) | 949,000 |
| 31 Jan 1991 | GBX | 75 | 79 | 75 | 77 | 770 | +1 (+1.32%) | 83,700 |
| 30 Jan 1991 | GBX | 73 | 76 | 73 | 76 | 760 | +4 (+5.56%) | 205,250 |
| 22 Jan 1991 | GBX | 70 | 72 | 70 | 72 | 720 | -0.5 (-0.69%) | 47,540 |
| 21 Jan 1991 | GBX | 71 | 72.5 | 71 | 72.5 | 725 | +1.5 (+2.11%) | 111,060 |
| 18 Jan 1991 | GBX | 71 | 71 | 71 | 71 | 710 | 0.0 (0.0%) | 42,000 |
| 17 Jan 1991 | GBX | 71 | 71 | 71 | 71 | 710 | 0.0 (0.0%) | 46,500 |
| 16 Jan 1991 | GBX | 71 | 71 | 71 | 71 | 710 | -2 (-2.74%) | 14,900 |
| 15 Jan 1991 | GBX | 70 | 73 | 70 | 73 | 730 | +1 (+1.39%) | 983,330 |
| 14 Jan 1991 | GBX | 72 | 72 | 72 | 72 | 720 | -1 (-1.37%) | 10,000 |
| 11 Jan 1991 | GBX | 74 | 74 | 73 | 73 | 730 | -1 (-1.35%) | 0 |
| 10 Jan 1991 | GBX | 74 | 74 | 74 | 74 | 740 | 0.0 (0.0%) | 0 |
| 9 Jan 1991 | GBX | 74 | 74 | 74 | 74 | 740 | 0.0 (0.0%) | 0 |
| 8 Jan 1991 | GBX | 75 | 75 | 74 | 74 | 740 | 0.0 (0.0%) | 0 |
| 7 Jan 1991 | GBX | 75 | 75 | 74 | 74 | 740 | -1 (-1.33%) | 0 |
| 4 Jan 1991 | GBX | 75 | 75 | 75 | 75 | 750 | 0.0 (0.0%) | 0 |
| 3 Jan 1991 | GBX | 75 | 75 | 75 | 75 | 750 | 0.0 (0.0%) | 0 |
| 2 Jan 1991 | GBX | 75 | 75 | 75 | 75 | 750 | 0.0 (0.0%) | 0 |
| 31 Dec 1990 | GBX | 75 | 75 | 75 | 75 | 750 | 0.0 (0.0%) | 0 |
| 28 Dec 1990 | GBX | 76 | 76 | 75 | 75 | 750 | 0.0 (0.0%) | 0 |
| 27 Dec 1990 | GBX | 76 | 76 | 75 | 75 | 750 | 0.0 (0.0%) | 0 |
