Rain vs Polymarket
Side-by-side comparison of AI visibility scores, market position, and capabilities
B2B stablecoin payments infrastructure raised $250M Series C at $1.95B valuation in Jan 2026; $3B+ annualized transaction volume; 30x active card base growth YoY;
About
Rain is a B2B stablecoin payments infrastructure company that enables enterprises to issue, manage, and transact using stablecoins on global card networks. Founded in 2022, Rain raised $250 million in Series C financing in January 2026, achieving a $1.95 billion valuation — a 17x increase in just ten months — led by investors including Western Union Strategic Ventures.
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.
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