| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 15 Feb 1991 | GBX | 93 | 95 | 93 | 95 | 9.5 | +2 (+2.15%) | 24,400 |
| 14 Feb 1991 | GBX | 91 | 93 | 91 | 93 | 9.3 | +2 (+2.20%) | 84,170 |
| 13 Feb 1991 | GBX | 88.5 | 91 | 88.5 | 91 | 9.1 | +1 (+1.11%) | 38,200 |
| 12 Feb 1991 | GBX | 88 | 90 | 88 | 90 | 9 | +4 (+4.65%) | 25,360 |
| 11 Feb 1991 | GBX | 87 | 89 | 86 | 86 | 8.6 | -0.5 (-0.58%) | 51,116 |
| 8 Feb 1991 | GBX | 86.5 | 86.5 | 84.5 | 86.5 | 8.65 | +0.5 (+0.58%) | 64,739 |
| 7 Feb 1991 | GBX | 85 | 86 | 85 | 86 | 8.6 | +2.5 (+2.99%) | 39,010 |
| 6 Feb 1991 | GBX | 85 | 85 | 82 | 83.5 | 8.35 | +0.5 (+0.60%) | 574,840 |
| 5 Feb 1991 | GBX | 85 | 85 | 83 | 83 | 8.3 | +0.5 (+0.61%) | 13,945 |
| 4 Feb 1991 | GBX | 82 | 82.5 | 82 | 82.5 | 8.25 | +1.5 (+1.85%) | 22,220 |
| 1 Feb 1991 | GBX | 82 | 82 | 81 | 81 | 8.1 | -1 (-1.22%) | 60,500 |
| 31 Jan 1991 | GBX | 82 | 82 | 82 | 82 | 8.2 | +4 (+5.13%) | 46,128 |
| 30 Jan 1991 | GBX | 80 | 80 | 78 | 78 | 7.8 | +0.5 (+0.65%) | 63,072 |
| 29 Jan 1991 | GBX | 79.5 | 79.5 | 77.5 | 77.5 | 7.75 | +0.5 (+0.65%) | 38,100 |
| 28 Jan 1991 | GBX | 77 | 77 | 77 | 77 | 7.7 | -3 (-3.75%) | 10,800 |
| 25 Jan 1991 | GBX | 80 | 80 | 80 | 80 | 8 | +3 (+3.90%) | 28,238 |
| 24 Jan 1991 | GBX | 78 | 79 | 77 | 77 | 7.7 | -1 (-1.28%) | 69,000 |
| 23 Jan 1991 | GBX | 78 | 78 | 78 | 78 | 7.8 | -2 (-2.50%) | 102,250 |
| 17 Jan 1991 | GBX | 79 | 80 | 79 | 80 | 8 | +3 (+3.90%) | 757,800 |
| 16 Jan 1991 | GBX | 77.5 | 77.5 | 77 | 77 | 7.7 | -1 (-1.28%) | 32,750 |
| 15 Jan 1991 | GBX | 78 | 78 | 78 | 78 | 7.8 | -0.5 (-0.64%) | 100,000 |
| 11 Jan 1991 | GBX | 79 | 79 | 78.5 | 78.5 | 7.85 | +0.5 (+0.64%) | 0 |
| 10 Jan 1991 | GBX | 78 | 78 | 78 | 78 | 7.8 | -1 (-1.27%) | 0 |
| 9 Jan 1991 | GBX | 79 | 79 | 78 | 79 | 7.9 | +1 (+1.28%) | 0 |
| 8 Jan 1991 | GBX | 78 | 78 | 77.5 | 78 | 7.8 | -1 (-1.27%) | 0 |
| 7 Jan 1991 | GBX | 80 | 80 | 79 | 79 | 7.9 | 0.0 (0.0%) | 0 |
| 4 Jan 1991 | GBX | 79 | 79 | 78 | 79 | 7.9 | +0.5 (+0.64%) | 0 |
| 3 Jan 1991 | GBX | 80 | 80 | 78 | 78.5 | 7.85 | -1.5 (-1.88%) | 0 |
| 2 Jan 1991 | GBX | 80 | 80 | 80 | 80 | 8 | 0.0 (0.0%) | 0 |
| 31 Dec 1990 | GBX | 81 | 81 | 80 | 80 | 8 | -1 (-1.23%) | 0 |
