Slippage

In plain English

A function of your order size relative to available depth. It is a recurring cost, not an occasional accident.

Example

Expecting a fill at 100 and averaging 100.4 across the order is 0.4 of slippage.

See also

• Liquidity
• Market depth
• Market order

Used in these lessons

• Liquidity and Order Flow Basics
• Volume and What It Confirms
• How Orders Work
• Costs of a Round Trip
• Demo Accounts and Paper Trading