The London Metal Exchange (LME) said Thursday it has approved Optiver as a Category 4 member. Founded in Amsterdam, Optiver is a global market maker that provides liquidity to financial markets using its own capital to trade a range of products, including listed derivatives, cash equities, ETFs, bonds and foreign currencies. In addition to its membership, Optiver management has taken on two roles within LME governance. John Rothstein, the company’s chief operating officer, has joined the LME’s User Committee, while Ed Sternberg, head of metals trading, has joined its Traded Options Committee. LME chief executive ... (full story)