| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 1 Nov 1991 | GBX | 88 | 88 | 88 | 88 | 88 | -1 (-1.12%) | 6,500 |
| 31 Oct 1991 | GBX | 89 | 89 | 89 | 89 | 89 | +2 (+2.30%) | 69,300 |
| 30 Oct 1991 | GBX | 87 | 87 | 86 | 87 | 87 | -1 (-1.14%) | 49,074 |
| 21 Oct 1991 | GBX | 88 | 88 | 88 | 88 | 88 | -2 (-2.22%) | 6,000 |
| 17 Oct 1991 | GBX | 90 | 90 | 90 | 90 | 90 | -3 (-3.23%) | 10,000 |
| 15 Oct 1991 | GBX | 93 | 93 | 93 | 93 | 93 | -1 (-1.06%) | 25,000 |
| 14 Oct 1991 | GBX | 94 | 94 | 94 | 94 | 94 | +1 (+1.08%) | 5,000 |
| 8 Oct 1991 | GBX | 93 | 93 | 93 | 93 | 93 | 0.0 (0.0%) | 10,500 |
| 7 Oct 1991 | GBX | 93 | 93 | 93 | 93 | 93 | 0.0 (0.0%) | 3,300 |
| 4 Oct 1991 | GBX | 93 | 93 | 93 | 93 | 93 | -1.5 (-1.59%) | 21,100 |
| 3 Oct 1991 | GBX | 94.5 | 94.5 | 94.5 | 94.5 | 94.5 | 0.0 (0.0%) | 10,800 |
| 30 Sep 1991 | GBX | 94.5 | 95 | 94 | 94.5 | 94.5 | -0.5 (-0.53%) | 80,000 |
| 20 Sep 1991 | GBX | 95 | 95 | 95 | 95 | 95 | +3 (+3.26%) | 11,000 |
| 19 Sep 1991 | GBX | 92 | 92 | 92 | 92 | 92 | -0.5 (-0.54%) | 11,000 |
| 18 Sep 1991 | GBX | 92.5 | 92.5 | 92.5 | 92.5 | 92.5 | +0.5 (+0.54%) | 56,800 |
| 13 Sep 1991 | GBX | 92 | 92 | 92 | 92 | 92 | 0.0 (0.0%) | 9,000 |
| 12 Sep 1991 | GBX | 92 | 92 | 92 | 92 | 92 | -2.5 (-2.65%) | 13,000 |
| 11 Sep 1991 | GBX | 94.5 | 94.5 | 94.5 | 94.5 | 94.5 | +2.5 (+2.72%) | 6,000 |
| 9 Sep 1991 | GBX | 92 | 92 | 92 | 92 | 92 | 0.0 (0.0%) | 15,000 |
| 6 Sep 1991 | GBX | 92 | 92 | 92 | 92 | 92 | -2 (-2.13%) | 5,000 |
| 28 Aug 1991 | GBX | 94 | 94 | 92.5 | 94 | 94 | +2 (+2.17%) | 48,560 |
| 23 Aug 1991 | GBX | 92 | 92 | 92 | 92 | 92 | 0.0 (0.0%) | 50,000 |
| 22 Aug 1991 | GBX | 92 | 93 | 91 | 92 | 92 | +5 (+5.75%) | 60,000 |
| 19 Aug 1991 | GBX | 87 | 87 | 87 | 87 | 87 | 0.0 (0.0%) | 10,165 |
| 13 Aug 1991 | GBX | 87 | 87 | 87 | 87 | 87 | +2 (+2.35%) | 6,360 |
| 2 Aug 1991 | GBX | 85 | 85 | 83 | 85 | 85 | +3 (+3.66%) | 60,000 |
| 30 Jul 1991 | GBX | 82 | 82 | 82 | 82 | 82 | +4 (+5.13%) | 51,220 |
| 25 Jul 1991 | GBX | 78 | 85 | 78 | 78 | 78 | -4 (-4.88%) | 120,000 |
| 23 Jul 1991 | GBX | 82 | 82 | 80 | 82 | 82 | +2 (+2.50%) | 25,650 |
| 22 Jul 1991 | GBX | 80 | 80 | 76 | 80 | 80 | +2 (+2.56%) | 58,600 |
