Google Cracks Down on Prediction Market Extensions in Chrome

Google is set to remove Chrome extensions that enable real-money trading on prediction markets starting August 1. This move introduces a significant hurdle for platforms like Kalshi and Polymarket, as well as third-party tools that support trading on their respective markets.

The new policy distinguishes between displaying odds and executing trades. While Google Finance can still present probabilities from Kalshi and Polymarket as financial data, the Chrome Web Store will no longer host extensions designed to facilitate real-money transactions on these markets. This update affects advanced users who rely on extensions for live odds, market alerts, data overlays, and faster trading functionalities. However, direct access to Kalshi and Polymarket websites and their mobile applications remains unaffected.

Existing Restrictions

This decision aligns with Google’s prior actions, which already restrict Chrome extensions related to online casinos, poker, and sports betting. The inclusion of prediction markets under this policy places event contracts within the same store guidelines, even as regulatory bodies continue to debate their classification as derivatives or gambling.

Recent legal challenges may have influenced Google’s cautious approach. A federal judge in New York ruled in July that state gambling laws could be applicable to Kalshi’s sports contracts, despite oversight from the Commodity Futures Trading Commission (CFTC). Kalshi has since filed an appeal against this ruling.

Enhanced Privacy Requirements

Beyond the trading functionality ban, the Chrome update also introduces stricter privacy mandates. Extensions will be required to collect only the data necessary for a single, clearly disclosed purpose. Furthermore, any subsequent changes to data usage policies must be explicitly communicated to users. The enforcement of these updated rules begins on August 1, 2026.

It is important to note that Google’s policy decisions operate independently of court rulings. A judicial decision that permits prediction markets in one jurisdiction does not obligate a private app store or extension marketplace to distribute related software.

Key facts

This development is relevant to PlayVideoPoker readers as it highlights a broader trend of increased scrutiny and regulation across online betting and trading platforms. While the focus is on prediction markets, the underlying themes of platform governance, user data privacy, and the intersection of technology with financial and gambling regulations are pertinent to the evolving iGaming landscape. The move by Google signals a more cautious stance by major tech companies regarding the distribution of tools that facilitate real-money transactions in potentially regulated or debated markets.

Source: iGaming.org – https://igaming.org/sports-news/google-bans-prediction-market-extensions-from-chrome/