The London Stock Exchange is used to ringing the opening bell to welcome new issuers to its markets. On September 26, it did so to mark the launch of its own futures exchange and experienced all the nerves and concerns that come with such a move.

CurveGlobal, the interest-rate derivatives venture backed by the LSE, CBOE Holdings and a raft of major banks, has been years in the making and will pitch itself into competition with Europe's dominant futures markets including Intercontinental Exchange and Eurex.