An FX market launched by the interdealer broker Tradition and major investment banks, has opened its doors to high frequency traders for the first time.

ParFX has added HFT firms Virtu Financial and GSA Capital as market-makers in a bid to grow and diversify liquidity on the platform, according to a statement. The firms have joined ParFX through a new prime brokerage model that lets buyside firms trade through a prime broke of their choice.