A Prime Brokerage Built for Innovation

Trade however you like with easy access to financing, securities, lending and efficient service. Streamline operations with a modern clearing and custody platform. Start trading in days, not months.

Everything You Need

Get everything you need to trade U.S. equities and options with great service and flexible pricing.


  • Use any OMS/EMS
  • Trading Desk
  • Electronic Execution
    • Smart Router
    • Algorithms
  • Trade With Other Brokers

Securities Lending

  • Locates
  • Borrows
  • Fully Paid Lending *

Margin Financing

  • Reg-T Margin
  • Portfolio Margin *


  • Portfolio Management
    • Balances, Positions & Exposure
    • Risk & Leverage
  • Cash Management
  • Corporate Action Elections *
  • What-If Calculator *
* Features coming soon

Better Performance

We know your favorite prime is the one that you don’t have to talk to. We’ve built out our own clearing and custody platform, which means better, more reliable service for you.

Always Improving

Clear Street adds new features every month. Our world-class engineering team is constantly improving our products, from expanding market access to improving the customer experience.

From Emerging to Established

Clear Street is proud to serve firms of all sizes, from emerging funds to established institutions. Clients include well-known hedge funds, family offices, and other institutions.

Streamline Operations

Clear Street has redesigned clearing and custody for modern trading. Get efficient market access, clear data, and time-saving tools designed for high-volume, multi-asset traders.

Efficient Market Access

Connect to capital markets seamlessly. Use our API to simplify market access and trade reporting. In the future, you will be able to expand trading into new products and markets in minutes — just by changing a few lines of code.
import "github.com/clear-street/clst"

func main() {
    api := clst.NewAPI(<YOUR-API-KEY>)
      "type": "bilateral_trade",
      "timestamp": 1556544618,
      "client_trade_id": "042919-1",
      "date": 20190304,
      "account_id": 100016,
      "mic": "XNAS",
      "contra_mpid": "AABB",
      "contra_clearing_num": "0123",
      "contra_side_qualifier": "close",
      "exec_mpid": "CSMM",
      "capacity": "principal",
      "quantity": "100",
      "price": "140.00",
      "instrument": {
        "identifier": "ATRA",
        "identifier_type": "ticker",
        "currency": "USD",
        "country": "USA"
      "side": {
        "direction": "buy"

Clear Data

Access all of your trading data including risk, financing, and clearing information across all of your accounts.

Time-Saving Tools

Spend less time managing your portfolio with time-saving tools that take the pain out of routine tasks like managing corporate actions.

Start Trading in Days, Not Months

We’ve simplified the prime experience from start to finish.
“We wanted to spin up a new strategy in days. Our existing primes said it was impossible. Clear Street got it done in just one week.
— Head Trader, Proprietary Broker Dealer

Ready to get started?