Lowest Cost*
Our transparent, low commissions and financing rates, support for best price execution, and stock yield enhancement program help minimize costs to maximize your returns.
Low Trading Costs
Capstone offers the lowest commissions and access to stocks, options, futures, currencies, bonds and funds from a single integrated account. If an exchange provides a rebate, we pass some or all of the savings directly back to you.*
Lowest Financing Costs
We offer the lowest margin loan interest rates of any broker, according to the StockBrokers.com 2021 online broker review. Click below to calculate your own sample margin loan interest rate.
Earn Extra Income
Earn extra income on the fully-paid shares of stock held in your account. Capstone borrows your shares to lend to traders who want to short and are willing to pay interest to borrow the shares. Each day shares are on loan you are paid interest while retaining the ability to trade your loaned stock without restrictions.
*For more information, click here.
Lower investment costs will increase your overall return on investment, but lower costs do not guarantee that your investment will be profitable.
Lowest Costs
Our transparent, low commissions, starting at $02, and low financing rates minimize costs to maximize returns.
Learn more
Global Access
Invest globally in stocks, options, futures, currencies, bonds and funds from a single integrated account.
Premier Technology
Capstones's powerful suite of technology helps you optimize your trading speed and efficiency and perform sophisticated portfolio analysis.
Learn more
#1 - Best Online Broker
5 out of 5 stars 
4.4 out of 5 stars
Overall 
Best Broker for
Low-Cost Investing 
4.6 out of 5 stars
Overall