Key Takeaways
- • Coinbase announced a major expansion into stock trading and prediction markets through a partnership with Kalshi, positioning itself as an "everything exchange" and directly competing with Robinhood's traditional fintech model.
- • Prediction market volume is projected to quadruple to $240 billion in 2026 from $51 billion in 2025, with analyst estimates suggesting the sector will reach $1 trillion in annual volume by 2030, according to Bernstein and Cantor Fitzgerald.
- • Robinhood and Coinbase began offering Kalshi prediction markets to users in March 2025 and January 2026, respectively, with both stocks rallying on analyst reports identifying them as primary beneficiaries of prediction market growth.
- • Kalshi and Polymarket, the two largest prediction market platforms, have already generated approximately $60 billion in volume in 2026, driven by major sporting events including the Super Bowl, March Madness, and the Masters tournament.
- • Coinbase will initially launch stock trading with a curated list of major stocks and ETFs, expanding to thousands of additional stocks in subsequent months, with 24-hour trading five days per week and zero trading fees.
Summary
The stock trading feature marks a watershed moment for Coinbase's competitive positioning. The platform will initially offer a curated selection of major stocks and exchange-traded funds with plans to expand to thousands of additional securities within months. Notably, Coinbase will provide 24-hour trading availability across five trading days per week with zero trading fees, directly challenging Robinhood's market position. The prediction market integration through Kalshi allows Coinbase users to wager on outcomes across elections, sports events, and other real-world occurrences, leveraging Kalshi's regulatory infrastructure and market liquidity.
Analyst research from Bernstein and Cantor Fitzgerald projects substantial growth trajectories for the prediction market sector. Bernstein estimates prediction market volume will quadruple to $240 billion in 2026 from $51 billion in 2025, with projections reaching $1 trillion in annual volume by 2030. Kalshi and Polymarket, the sector's two dominant platforms, have already captured approximately $60 billion in volume during 2026, substantially driven by major sporting events including the Super Bowl, March Madness, and the Masters tournament. Both Robinhood and Coinbase commenced offering Kalshi markets to their user bases in March 2025 and January 2026, respectively, positioning them as the primary institutional beneficiaries of this emerging asset class.
The stock rally following these analyst reports reflected institutional recognition of this opportunity. Robinhood stock surged as much as 10 percent, while Coinbase climbed as much as 6 percent, with Bernstein highlighting Robinhood's existing retail customer advantage and user experience infrastructure. The broader competitive context shows both platforms expanding aggressively across traditional and alternative asset classes, with Coinbase leveraging its crypto dominance to breach equity markets while Robinhood fortifies its crypto capabilities to defend market share against encroachment by the larger Coinbase platform.
Go deeper than the headline
Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.