Experience the Lowest Costs in the Industry
- Low commissions starting at $02 with no added spreads, ticket charges, platform fees, or account minimums.
- Access to the IB SmartRoutingSM system, which provides $0.47 per 100 shares price improvement vs. the industry
- Financing rates up to 50% lower than the industry
- Earn extra income on your lendable shares
Discover a World of Opportunities
Invest globally in stocks, options, futures, currencies, bonds and funds from a single integrated account. Fund your account in multiple currencies and trade assets denominated in multiple currencies. Access market data 24 hours a day and six days a week
A Broker You Can Trust
When placing your money with a broker, you need to make sure your broker is secure and can endure through good and bad times. Our strong capital position, conservative balance sheet and automated risk controls are designed to protect Capstone and our clients from large trading losses.Capstone
Nasdaq Listed
$8.01B
Equity Capital*70.5%
Privately Held*$6.0B
Excess Regulatory Capital*1.04M
Client Accounts*1.26M
Daily Avg Revenue Trades*Choose the Best Account Type for You
Trust Accounts
Joint Accounts
Step 1
Complete the Application
It only takes a few minutes
Step 2
Fund Your Account
Connect your bank or transfer an account
Step 3
Get Started Trading
Take your investing to the next level