Foreign exchange aggregator
A foreign exchange aggregator (FX Aggregator) is a class of systems used in Forex trading to aggregate the liquidity from several liquidity providers. == Mechanism == Aggregators usually provide two main functions; they allow FX traders to compare price from different liquidity venues such as banks-global market makers or ECNs like Currenex, FXall or Hotspot FX and to have a consolidated view of the market.
Source: Wikipedia — Foreign exchange aggregator (CC BY-SA 4.0)