Trading

Execution: Definition

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Simple Definition

The completion of a buy or sell order.

Why It Matters

Execution quality affects your returns. Fast execution at a good price saves money; slow execution at a bad price costs you. Brokers compete on 'price improvement' - getting you a better price than the quoted bid or ask. For active traders, milliseconds and fractions of a cent add up. For long-term investors, it matters less.

Key Points

  • Price improvement: When you get a better price than expected - good brokers do this regularly
  • Execution speed: Market orders on liquid stocks execute in milliseconds
  • Best execution: Brokers are legally required to seek the best reasonable terms for your order

Related Terms

Common Questions

The completion of a buy or sell order. Execution quality affects your returns. Fast execution at a good price saves money; slow execution at a bad price costs you.

Execution quality affects your returns. Fast execution at a good price saves money; slow execution at a bad price costs you. Brokers compete on 'price improvement' - getting you a better price than the quoted bid or ask. For active traders, milliseconds and fractions of a cent add up. For long-term investors, it matters less.

Price improvement: When you get a better price than expected - good brokers do this regularly

Execution speed: Market orders on liquid stocks execute in milliseconds

Best execution: Brokers are legally required to seek the best reasonable terms for your order