Betting Markets Emerge as Controversial Power Player in California Wide Open Gubernatorial Race

Prediction markets like Kalshi and Polymarket see millions in wagers for California's 2026 governor race, sparking fears of insider trading and political fraud.

By: AXL Media

Published: Feb 24, 2026, 7:24 AM EST

Source: Information for this report was sourced from Politico

The Rise of Prediction Markets as a Campaign Metric

The 2026 California gubernatorial race has become the latest testing ground for the predictive power of betting markets like Kalshi and Polymarket. Representative Eric Swalwell, the current frontrunner on several platforms, has frequently utilized screenshots of his high betting odds to demonstrate political momentum. Proponents, including former Representative Sean Patrick Maloney, argue that these markets are often more accurate than traditional polling because traders have a financial incentive to be objective. In the current cycle, Kalshi users have already wagered over 3 million dollars on California specific outcomes, reflecting a massive spike in engagement compared to the 2022 midterm cycle.

Allegations of Insider Trading and Political Ties

The rapid growth of the betting industry has brought intense scrutiny regarding the potential for market manipulation. Governor Gavin Newsom recently raised concerns about insider trading, noting that a candidate could theoretically bet on the content of their own speech or policy decisions. These fears are compounded by the industry proximity to the Trump family. Donald Trump Jr. serves as an adviser to both Polymarket and Kalshi, while his venture firm, 1789 Capital, has invested heavily in the space. Gubernatorial candidates Antonio Villaraigosa and Betty Yee have both vowed to pursue regulatory crackdowns, characterizing the platforms as a threat to the integrity of the democratic process.

Legislative Response to Shadow Casinos

In Sacramento, lawmakers are moving to create guardrails around political wagering. Republican Assemblymember Kate Sanchez has introduced a bill that would prohibit public officials, government employees, and lobbyists from betting on markets where they possess non public information. This move is part of a broader national debate where several states have labeled these platforms shadow casinos or illegal sportsbooks. While the Commodity Futures Trading Commission under the Trump administration has defended the right of the platforms to operate as financial exchanges, governors in both red and blue states, including Utah and Connecticut, are pushing for strict limits or outright bans.