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 environment

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

Unlimited access to real-time US stock market data.

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.

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.

Learn more

Charts are offered by TradingView

Powerful tools that you control

Up to 4X intraday & 2X overnight
buying power

3.75% margin interest rate - check Alpaca Securities Brokerage Fee Schedule here.

Short selling

Trade without directional bias. Alpaca's trading API allows you to run long/short or market neutral strategies.

Pre market & after hours trading

Expand your opportunity set. You can trade outside of Regular Market Hours. We offer 4:00am to 8:00pm Eastern Time Monday to Friday.

Advanced order types

Build sophisticated strategies using a suite of order types including OCO, IOC, MOO, and MOC.

Alpaca securities

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.