NDD Glossary
ConceptIntermediate

Best Execution

The obligation for a broker to execute client orders at the most favorable terms reasonably available, considering price, speed, and likelihood of execution.

Last updated: February 1, 2026
1

Regulatory frameworks (MiFID II, etc.) require brokers to take "all sufficient steps" to achieve best execution.

2

Brokers define their execution policy, specifying how they evaluate and select execution venues.

3

For each order, multiple factors are considered: price, speed, likelihood of execution, settlement.

4

The broker must demonstrate that its routing and execution consistently achieve favorable outcomes.

5

Regular monitoring and reporting of execution quality is required.