Clear Street vs Alpaca
Side-by-side comparison of AI visibility scores, market position, and capabilities
Clear Street is a cloud-native prime brokerage replacing legacy Wall Street infrastructure; generated ~$1.04B revenue in 2025 (up 125% YoY); $1B+ raised; pre-IPO at ~$11–12B valuation; clears ~3.8% of US equity volume.
About
Clear Street is a financial technology company modernizing the prime brokerage and clearing ecosystem with a cloud-native platform built from scratch on a unified real-time ledger. Founded in 2018, Clear Street consolidates the entire trade lifecycle — order execution, clearing, custody, margin, and financing — into a single system, replacing the fragmented legacy infrastructure that most traditional brokers and clearing firms still run. The company serves institutional clients, professional traders, and registered investment advisors across all major asset classes including equities, fixed income, options, and futures.
Alpaca is a self-clearing broker-dealer and global leader in brokerage infrastructure APIs for stocks, ETFs, options, and fixed income; raised $52M Series C in April 2025 totaling $170M;
About
Alpaca is a developer-first brokerage infrastructure company founded in 2015 and headquartered in San Mateo, California. It operates as a fully self-clearing broker-dealer with DTCC, Nasdaq, OCC, and FICC memberships — enabling it to provide end-to-end brokerage infrastructure for stocks, ETFs, options, fixed income, and cryptocurrency without requiring partners to manage their own clearing relationships. Alpaca's Broker API allows fintech companies, neobrokerages, robo-advisors, and wealth management platforms to embed multi-asset trading into their applications with a single integration.
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