Polymarket vs Alpaca
Side-by-side comparison of AI visibility scores, market position, and capabilities
The largest decentralized prediction market platform; $50M+ Series B from Peter Thiel Founders Fund (Jan 2025) at $1.2B valuation; $3.8B+ in trading volume during 2024 US election cycle; 200K+ monthly active traders;
About
Polymarket is the world's largest decentralized prediction market platform, allowing users to bet on real-world events using cryptocurrency. Founded in 2020 by Shayne Coplan, the company experienced explosive growth during the 2024 US presidential election, processing over $3.8 billion in trading volume and becoming a primary information source for global audiences tracking political, economic, and cultural events.
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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