LCH.Clearnet, which clears London Metal Exchange (LME) contracts, said it will raise the initial margin on the LME's lead contract but reduce that on its nickel contract, effective the close of business Tuesday (Sep 11).
The following table shows the new initial margins, expressed in US$ per lot of metal, compared with the previous:
| Metal | New Margin ($/lot) | Previous Margin | Lot size (tonnes) |
| Al Alloy | 1,580 | 1,580 | 20 |
| Aluminium | 3,050 | 3,050 | 25 |
| Copper | 12,500 | 12,500 | 25 |
| Lead | 10,000 | 9,000 | 25 |
| NASAAC | 1,940 | 1,940 | 20 |
| Nickel | 24,248 | 25,692 | 6 |
| Tin | 4,500 | 4,500 | 5 |
| Zinc | 8,600 | 8,600 | 25 |
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