Order-to-Trade Ratio
The Order-to-Trade Ratio is a regulatory and operational metric used to monitor the efficiency and intent of market participants by comparing the number of orders placed to the number of orders actually executed. A high ratio often indicates algorithmic behavior characterized by quote stuffing or high-frequency cancellation patterns that may be detrimental to market stability.
Exchanges use this metric to identify predatory or non-productive traffic, often imposing surcharges or limiting access for accounts that exceed established thresholds. This tool acts as a deterrent against manipulative practices that artificially inflate message volume.
By incentivizing participants to submit only high-conviction orders, the ratio helps maintain a cleaner, more efficient order book. It is a fundamental mechanism in modern market surveillance.