In Interactive Brokers (IBKR), refers to the maximum dollar amount of securities you can purchase specifically for intraday trades—positions that must be closed before the market closes. Core Definitions and Calculations
: In a cash account, your buying power is simply your settled cash . Key Rules and Restrictions Equity with Loan Value - IBKR Campus interactive brokers day trading buying power
: For standard margin accounts that are not flagged as PDT, buying power is usually 2x your equity . In Interactive Brokers (IBKR), refers to the maximum
: This is typically 4x your maintenance margin excess from the previous day's close for Pattern Day Traders (PDT). In Interactive Brokers (IBKR)