PMs4X is a Chrome extension that embeds Polymarket prediction data and betting options directly into X feeds so users trade without leaving their timeline.
About PMs4X
What is PMs4X?
PMs4X is a browser extension for Google Chrome. It connects the social media platform X to the Polymarket prediction market. The tool identifies markets related to specific posts on a user feed. People use this extension to find and place bets without a need to leave their current browser tab.
The software is 485KiB in size. It has a developer policy that prohibits the collection or storage of personal account data. Users see real-time price data and market options directly on their timeline. This tool is a bridge between breaking news discussions and active betting markets.
Key Features
Pros & Cons
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Contextual market discoveryUsers find active Polymarket contracts that match the topic of any post on their timeline.
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Embedded betting interfaceThe extension adds a panel to the social media sidebar so traders place bets without opening a new tab.
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Private data managementThe developer does not collect or store account information or user activity.
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Real-time news mappingThe tool identifies relevant prediction markets as breaking news stories appear in the feed.
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Chrome browser dependencyInstallation is limited to the Chrome Web Store and is unavailable for users on Firefox, Safari, or mobile browser apps.
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Limited platform supportFunctionality is restricted to the web version of X and provides no assistance for other social media sites or news aggregators.
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Single market focusThe software only displays results from Polymarket and ignores data from competitors like Kalshi or PredictIt.
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Restricted privacy protectionsThe extension is unusable in Incognito or Guest modes due to browser limitations on item management.