It has expanded with aggregated retail FX trades in a deal with Traiana, an ICAP subsidiary, credit derivatives settlement with DTCC and nondeliverable forwards and FX options.

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The markets that do the sort of high volume, low margin trades that would be affected by an FTT are the foreign exchange (FX), futures, options and stock markets (with special reference to high frequency trading of the often demonised computer algorithm type).

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This tax will hit the options, futures, commodity and FX markets.

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