Prediction Markets Face New Scrutiny Over Stock-Linked Bets
Platforms enabling stock wagers draw regulatory attention as volumes surge
1Explosive growth in stock-linked bets
Polymarket traders placed over $220M across 31,000 stock-related markets by September 2025, with 60% focused on individual stocks like Nvidia and Tesla. The platform's offshore structure allows these contracts while its US-regulated counterpart avoids direct stock wagers. Allium's analysis shows one trader executed 1,300 Apple contract trades generating $175K volume.
2Regulatory gray area emerges
US law treats single-company stock contracts as security-based swaps under SEC jurisdiction. However, Polymarket's offshore operation complicates oversight. Georgetown's Prof. Angel notes this creates monitoring challenges, while Vanderbilt's Yadav calls it a 'new frontier' in market structure evolution moving at extraordinary pace.
3Institutional vs retail participation
Platforms market event contracts as 24/7 hedging tools to both institutional and retail traders. Kalshi runs 2,500 daily markets on corporate metrics like Tesla deliveries, avoiding direct stock bets. The surge in leveraged trading across stocks, commodities and prediction markets raises pricing and policing concerns.
4SEC-CFTC jurisdictional debate
While CFTC insists prediction markets fall under derivatives regulation, the SEC maintains oversight of security-linked contracts. The agencies jointly sought public comment in June 2025 on regulatory leadership. Former SEC official Schiffrin warns corporate metrics present equal insider trading risks as stocks.
5Platform compliance measures
Both Polymarket entities and Kalshi claim active misconduct monitoring and case referrals to US authorities. The international platform restricts US user access while maintaining market integrity as core priority. However, the bifurcated structure creates regulatory arbitrage opportunities.
6Most traded stocks
Nvidia, Alphabet, Apple and Tesla dominate Polymarket's individual stock contracts, with remaining volume split across ETFs and indexes. Traders bet yes/no on price targets by set dates. The concentrated activity in tech stocks mirrors their volatility and retail investor interest.
7Legal structure complexities
Polymarket International operates from offshore while its US exchange complies with CFTC rules, offering only select corporate-metric markets. This dual structure exemplifies regulatory challenges in global fintech, where product innovation outpaces jurisdictional frameworks.
8Systemic risk considerations
While current prediction market volumes remain small compared to underlying stocks, their rapid growth and leveraged nature raise investor protection concerns. The platforms' expansion into mainstream financial instruments blurs lines between gambling, derivatives trading and market speculation.
Original article: ReadWrite — Prediction Markets Face New Scrutiny Over Stock-Linked Bets