Liquidity-provider relationships shape a broker’s market access, but the label does not tell clients how orders are handled. To understand the service, separate quote sourcing, risk management, execution routing and the broker’s own operating model.
Follow the evidence
Trace how the event could reach markets, then inspect a competing explanation.
Compare explanations
Switch lenses to see what each account explains—and what remains uncertain.
Request spread and fill-quality data by instrument, order size and time period. Review reject and requote rates, positive and negative slippage, fill ratios, outages and the handling of price gaps. Ask whether results are live, independently measured, and comparable across the same market windows. A multi-provider setup can create more choice, but it also adds integration, monitoring and credit-management work. Routing rules may optimise for price, fill probability, exposure or a combination; ask how the broker configures and monitors them.
Request spread and fill-quality data by instrument, order size and time period. Review reject and requote rates, positive and negative slippage, fill ratios, outages and the handling of price gaps. Ask whether results are live, independently measured, and comparable across the same market windows. A multi-provider setup can create more choice, but it also adds integration, monitoring and credit-management work. Routing rules may optimise for price, fill probability, exposure or a combination; ask how the broker configures and monitors them.
Which legal entity supplies the service? Is the connection direct or through an intermediary? What happens if one source disconnects, widens its price or cannot accept an order? Who monitors the route, and what evidence is available after a disputed fill? Execution models vary, and labels such as STP or ECN do not by themselves establish how a specific broker handles each client order. Evaluate the documented process and observed outcomes rather than relying on the label.
A liquidity provider contributes prices and market access
Banks, non-bank market makers and other financial firms may supply quotes or execution access to a broker. An aggregator can combine inputs from multiple sources. The resulting price and available size depend on the instruments, counterparties, credit limits, market conditions and the broker’s configuration.
A displayed quote is not a promise that every order will fill at that price. Available liquidity can change, especially during fast markets, and execution depends on the broker’s full handling process.
Judge outcomes under comparable conditions
Request spread and fill-quality data by instrument, order size and time period. Review reject and requote rates, positive and negative slippage, fill ratios, outages and the handling of price gaps. Ask whether results are live, independently measured, and comparable across the same market windows.
A multi-provider setup can create more choice, but it also adds integration, monitoring and credit-management work. Routing rules may optimise for price, fill probability, exposure or a combination; ask how the broker configures and monitors them.
The provider name is only the beginning
Which legal entity supplies the service? Is the connection direct or through an intermediary? What happens if one source disconnects, widens its price or cannot accept an order? Who monitors the route, and what evidence is available after a disputed fill?
Execution models vary, and labels such as STP or ECN do not by themselves establish how a specific broker handles each client order. Evaluate the documented process and observed outcomes rather than relying on the label.