| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 20 Feb 1991 | GBX | 126 | 129 | 126 | 126 | 126 | -2 (-1.56%) | 34,993 |
| 19 Feb 1991 | GBX | 129 | 129 | 126 | 128 | 128 | -2 (-1.54%) | 249,510 |
| 18 Feb 1991 | GBX | 128 | 132 | 126 | 130 | 130 | +5 (+4%) | 377,937 |
| 15 Feb 1991 | GBX | 125.5 | 128 | 125 | 125 | 125 | 0.0 (0.0%) | 312,678 |
| 14 Feb 1991 | GBX | 126 | 128 | 124.5 | 125 | 125 | 0.0 (0.0%) | 186,173 |
| 13 Feb 1991 | GBX | 124 | 125 | 122.5 | 125 | 125 | +5 (+4.17%) | 472,693 |
| 12 Feb 1991 | GBX | 116.75 | 122.5 | 116.75 | 120 | 120 | +1 (+0.84%) | 282,434 |
| 11 Feb 1991 | GBX | 116 | 119 | 115 | 119 | 119 | +5 (+4.39%) | 511,330 |
| 8 Feb 1991 | GBX | 112.25 | 116 | 112.25 | 114 | 114 | +1 (+0.88%) | 294,473 |
| 7 Feb 1991 | GBX | 112 | 114 | 111 | 113 | 113 | +2 (+1.80%) | 949,199 |
| 6 Feb 1991 | GBX | 111 | 111 | 111 | 111 | 111 | -1 (-0.89%) | 71,863 |
| 5 Feb 1991 | GBX | 111 | 112 | 109.5 | 112 | 112 | +3 (+2.75%) | 1,363,521 |
| 4 Feb 1991 | GBX | 109 | 109 | 109 | 109 | 109 | -2 (-1.80%) | 48,419 |
| 1 Feb 1991 | GBX | 109 | 111 | 109 | 111 | 111 | +2 (+1.83%) | 289,268 |
| 31 Jan 1991 | GBX | 112 | 112 | 108.5 | 109 | 109 | -3 (-2.68%) | 560,822 |
| 30 Jan 1991 | GBX | 110 | 112 | 110 | 112 | 112 | +2 (+1.82%) | 112,235 |
| 29 Jan 1991 | GBX | 107 | 110 | 107 | 110 | 110 | +3.5 (+3.29%) | 269,098 |
| 28 Jan 1991 | GBX | 110 | 112 | 105.5 | 106.5 | 106.5 | -5.5 (-4.91%) | 2,767,279 |
| 25 Jan 1991 | GBX | 108 | 112 | 108 | 112 | 112 | +4 (+3.70%) | 585,755 |
| 24 Jan 1991 | GBX | 108.5 | 109 | 108 | 108 | 108 | +1 (+0.93%) | 154,678 |
| 23 Jan 1991 | GBX | 108.375 | 110 | 107 | 107 | 107 | -1 (-0.93%) | 249,197 |
| 22 Jan 1991 | GBX | 107 | 111 | 107 | 108 | 108 | -2.875 (-2.59%) | 200,620 |
| 21 Jan 1991 | GBX | 109 | 111 | 109 | 110.875 | 110.875 | +0.875 (+0.80%) | 805,566 |
| 18 Jan 1991 | GBX | 107 | 110 | 106 | 110 | 110 | +3 (+2.80%) | 429,500 |
| 17 Jan 1991 | GBX | 109 | 109 | 107 | 107 | 107 | +0.25 (+0.23%) | 49,930 |
| 16 Jan 1991 | GBX | 107 | 107.5 | 106 | 106.75 | 106.75 | -1.25 (-1.16%) | 1,344,839 |
| 15 Jan 1991 | GBX | 108 | 109 | 108 | 108 | 108 | -2.875 (-2.59%) | 822,376 |
| 14 Jan 1991 | GBX | 111 | 111 | 110 | 110.875 | 110.875 | -1.125 (-1.00%) | 473,016 |
| 11 Jan 1991 | GBX | 112 | 112 | 112 | 112 | 112 | 0.0 (0.0%) | 0 |
| 10 Jan 1991 | GBX | 111 | 112.5 | 111 | 112 | 112 | -3 (-2.61%) | 0 |
