| Date | Brass basis GBP / 1000 Kgs |
|---|---|
| 2012-02-13 | £5,620 |
| 2012-02-10 | £5,650 |
| 2012-02-08 | £5,650 |
| 2012-02-06 | £5,650 |
| 2012-02-01 | £5,630 |
| 2012-01-25 | £5,600 |
| 2012-01-24 | £5,610 |
| 2012-01-23 | £5,580 |
| 2012-01-20 | £5,570 |
| 2012-01-19 | £5,570 |
| 2012-01-18 | £5,590 |
| 2012-01-17 | £5,560 |
| 2012-01-16 | £5,450 |
| 2012-01-13 | £5,430 |
| 2012-01-12 | £5,400 |
| 2012-01-11 | £5,300 |
| 2012-01-10 | £5,250 |
| 2012-01-09 | £5,250 |
| 2012-01-06 | £5,290 |
| 2012-01-05 | £5,330 |
| 2012-01-04 | £5,340 |
| 2012-01-03 | £5,270 |
| 2011-12-22 | £5,250 |
| 2011-12-21 | £5,210 |
| 2011-12-20 | £5,230 |
| 2011-12-16 | £5,200 |
| 2011-12-15 | £5,230 |
| 2011-12-15 | £5,270 |
| 2011-12-09 | £5,420 |
| 2011-12-08 | £5,470 |
| 2011-12-07 | £5,470 |
| 2011-12-06 | £5,470 |
| 2011-12-02 | £5,480 |
| 2011-11-30 | £5,250 |
| 2011-11-29 | £5,210 |
| 2011-11-28 | £5,190 |
| 2011-11-24 | £5,200 |
| 2011-11-23 | £5,190 |
| 2011-11-22 | £5,160 |
| 2011-11-21 | £5,180 |
| 2011-11-17 | £5,250 |
| 2011-11-16 | £5,260 |
| 2011-11-15 | £5,290 |
| 2011-11-11 | £5,210 |
| 2011-11-08 | £5,300 |
| 2011-11-07 | £5,290 |
| 2011-11-04 | £5,340 |
| 2011-11-03 | £5,310 |
| 2011-11-02 | £5,310 |
| 2011-10-31 | £5,400 |
| 2011-10-28 | £5,410 |
| 2011-10-25 | £5,290 |
| 2011-10-21 | £5,020 |
| 2011-10-20 | £5,050 |
| 2011-10-19 | £5,180 |
| 2011-10-18 | £5,290 |
| 2011-10-17 | £5,280 |
| 2011-10-14 | £5,210 |
| 2011-10-12 | £5,210 |
| 2011-10-11 | £5,190 |
| 2011-10-10 | £5,180 |
| 2011-09-30 | £5,170 |
| 2011-09-27 | £5,270 |
| 2011-09-26 | £5,250 |
| 2011-09-23 | £5,420 |
| 2011-09-19 | £5,620 |
| 2011-09-16 | £5,730 |
| 2011-09-14 | £5,720 |
| 2011-09-13 | £5,680 |
| 2011-09-12 | £5,750 |
| 2011-09-09 | £5,790 |
| 2011-09-08 | £5,800 |
| 2011-08-19 | £5,550 |
| 2011-08-18 | £5,620 |
| 2011-08-16 | £5,600 |
| 2011-08-15 | £5,650 |
| 2011-08-12 | £5,670 |
| 2011-08-09 | £5,650 |
| 2011-08-08 | £5,700 |
| 2011-08-05 | £5,850 |
| 2011-08-04 | £5,920 |
| 2011-08-03 | £5,940 |
| 2011-08-02 | £5,980 |
| 2011-08-01 | £6,050 |
| 2011-07-29 | £6,100 |
| 2011-07-28 | £6,060 |
| 2011-07-27 | £6,050 |
| 2011-07-26 | £6,050 |
| 2011-07-25 | £6,000 |
| 2011-07-22 | £5,960 |
| 2011-07-21 | £6,030 |
| 2011-07-20 | £6,100 |
| 2011-07-19 | £6,070 |
| 2011-07-18 | £6,040 |
| 2011-07-15 | £6,040 |
| 2011-07-14 | £6,040 |
| 2011-07-12 | £6,060 |
| 2011-07-11 | £6,130 |
| 2011-07-01 | £5,950 |
| 2011-06-30 | £5,880 |
| 2011-06-29 | £5,820 |
| 2011-06-27 | £5,820 |
| 2011-06-24 | £5,800 |
| 2011-06-23 | £5,750 |
| 2011-06-22 | £5,760 |
| 2011-06-21 | £5,750 |
| 2011-06-20 | £5,740 |
| 2011-06-16 | £5,800 |
| 2011-06-13 | £5,760 |
| 2011-06-10 | £5,740 |
| 2011-06-09 | £5,680 |
| 2011-06-06 | £5,730 |
| 2011-06-02 | £5,770 |
| 2011-06-01 | £5,780 |
| 2011-05-31 | £5,750 |
| 2011-05-25 | £5,680 |
| 2011-05-24 | £5,690 |
| 2011-05-23 | £5,710 |
| 2011-05-19 | £5,640 |
| 2011-05-18 | £5,690 |
| 2011-05-17 | £5,600 |
| 2011-05-12 | £5,580 |
| 2011-05-11 | £5,620 |
| 2011-05-10 | £5,650 |
| 2011-05-09 | £5,630 |
| 2011-05-06 | £5,600 |
| 2011-05-05 | £5,600 |
| 2011-05-04 | £5,730 |
| 2011-05-03 | £5,730 |
| 2011-04-28 | £5,740 |
| 2011-04-27 | £5,770 |
| 2011-04-21 | £5,850 |
| 2011-04-20 | £5,860 |
| 2011-04-19 | £5,820 |
| 2011-04-18 | £5,900 |
| 2011-04-15 | £5,840 |
| 2011-04-14 | £6,000 |
| 2011-04-13 | £6,010 |
| 2011-04-12 | £6,030 |
| 2011-04-11 | £6,040 |
| 2011-04-08 | £6,010 |
| 2011-04-07 | £5,920 |
| 2011-04-01 | £5,990 |
| 2011-03-30 | £5,970 |
| 2011-03-29 | £6,010 |
| 2011-03-28 | £6,040 |
| 2011-03-25 | £6,040 |
| 2011-03-23 | £5,870 |
| 2011-03-22 | £5,910 |
| 2011-03-21 | £5,920 |
| 2011-03-18 | £5,930 |
| 2011-03-17 | £5,880 |
| 2011-03-16 | £5,860 |
| 2011-03-15 | £5,820 |
| 2011-03-14 | £5,780 |
| 2011-03-10 | £5,810 |
| 2011-03-10 | £5,950 |
| 2011-03-09 | £5,910 |
| 2011-03-07 | £6,110 |
| 2011-03-04 | £6,090 |
| 2011-03-02 | £6,050 |
| 2011-03-01 | £6,090 |
| 2011-02-28 | £6,060 |
| 2011-02-25 | £5,910 |
| 2011-02-24 | £5,920 |
| 2011-02-23 | £5,940 |
| 2011-02-23 | £6,050 |
| 2011-02-22 | £6,100 |
| 2011-02-21 | £6,110 |
| 2011-02-18 | £6,120 |
| 2011-02-17 | £6,220 |
| 2011-02-14 | £6,270 |
| 2011-02-14 | £6,170 |
| 2011-02-09 | £6,210 |
| 2011-02-08 | £6,240 |
| 2011-02-07 | £6,220 |
| 2011-02-07 | £6,160 |
| 2011-02-02 | £6,100 |
| 2011-01-31 | £6,030 |
| 2011-01-26 | £5,960 |
| 2011-01-25 | £5,970 |
| 2011-01-24 | £6,000 |
| 2011-01-21 | £5,980 |
| 2011-01-19 | £6,090 |
| 2011-01-18 | £6,100 |
| 2011-01-14 | £6,120 |
| 2011-01-13 | £6,110 |
| 2011-01-12 | £6,100 |
| 2011-01-11 | £6,060 |
| 2011-01-10 | £6,120 |
| 2011-01-07 | £6,180 |
| 2010-12-23 | £6,090 |
| 2010-12-22 | £6,080 |
| 2010-12-21 | £6,080 |
| 2010-12-17 | £5,880 |
| 2010-12-16 | £5,890 |
| 2010-12-15 | £5,920 |
| 2010-12-13 | £5,860 |
| 2010-12-07 | £5,850 |
| 2010-12-03 | £5,730 |
| 2010-12-03 | £5,730 |
| 2010-12-02 | £5,630 |
| 2010-12-01 | £5,590 |
| 2010-11-30 | £5,560 |
| 2010-11-29 | £5,530 |
| 2010-11-26 | £5,520 |
| 2010-11-24 | £5,520 |
| 2010-11-23 | £5,510 |
| 2010-11-22 | £5,500 |
| 2010-11-19 | £5,550 |
| 2010-11-18 | £5,480 |
| 2010-11-17 | £5,580 |
| 2010-11-16 | £5,590 |
| 2010-11-15 | £5,610 |
| 2010-11-12 | £5,780 |
| 2010-11-11 | £5,810 |
| 2010-11-10 | £5,740 |
| 2010-11-09 | £5,670 |
| 2010-11-05 | £5,700 |
| 2010-11-04 | £5,600 |
| 2010-11-02 | £5,570 |
| 2010-11-01 | £5,570 |
| 2010-10-29 | £5,580 |
| 2010-10-28 | £5,630 |
| 2010-10-27 | £5,680 |
| 2010-10-25 | £5,730 |
| 2010-10-22 | £5,620 |
| 2010-10-21 | £5,580 |
| 2010-10-20 | £5,580 |
| 2010-10-19 | £5,550 |
| 2010-10-18 | £5,580 |
| 2010-10-18 | £5,550 |
| 2010-10-15 | £5,590 |
| 2010-10-14 | £5,540 |
| 2010-10-13 | £5,520 |
| 2010-10-13 | £5,540 |
| 2010-10-11 | £5,550 |
| 2010-10-08 | £5,510 |
| 2010-10-07 | £5,480 |
| 2010-10-05 | £5,430 |
| 2010-10-04 | £5,460 |
| 2010-10-01 | £5,400 |