Execute your trading algos commission-free

Buy, sell, and short U.S. stocks with zero commissions.
Plus, business and personal accounts are both supported. Alpaca Securities LLC is a FINRA-registered broker-dealer designed for high volume trading.

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Serving algo traders & quant funds

Commission-free API
Building with the Alpaca API can make stock trading commission-free
Real-time market data
Paper trading and live trading both come with real-time market data
Two-factor authentication
We care about your security and continue to add variety of 2FA options
Margin and short selling
A wide array of advanced investing and trading strategies are supported
Testing enviroment
We’ve got your back—test your work before deploying to production
Business account support
Starting up a prop trading firm or a hedge fund? Learn more
!  Commissions Disclosure

Free. Unlimited.
Live market data.
Not just for live trading.

Paper trading allows you to test how the API works and how your strategies would perform. Simply update the API endpoint to a live trading account to run your strategies in the live production environment.

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Alpaca with TradingView chart

Trade with Alpaca directly from your TradingView chart—no switching tabs, no extra clicks. Efficient, just like great trading should be. Learn more.

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Charts are offered by TradingView

Registered securities broker

Alpaca Securities LLC is a member of Financial Industry Regulatory Authority, Inc. (FINRA).
You can check the background of Alpaca Securities on FINRA’s BrokerCheck.
Alpaca Securities is also a member of SIPC - securities in your account are protected up to $500,000.
For details, please visit www.sipc.org.