Offshore Traders Power U.S. Signals

This split is what turned Polymarket from a gambling site into a media product. The people supplying the odds are mostly outside the U.S. because the trading venue is offshore and crypto friendly, but the topics with the deepest liquidity are U.S. elections, U.S. sports, and U.S. macro events. That means the traded product and the consumed product are different. Traders supply price discovery, while a much larger English language audience treats the live odds as a news signal and sentiment feed.

• Polymarket is built to let non U.S. users trade quickly with USDC, social login wallets, and near invisible blockchain settlement. That matters because the easiest user base to activate is people already comfortable moving stablecoins, often in emerging markets where dollar stablecoins are already part of daily financial behavior.
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• The market mix skews to subjects with U.S. attention. Polymarket became huge on the 2024 U.S. election, then expanded into sports and macro. By contrast, Kalshi monetizes U.S. users directly through a regulated exchange, while Polymarket first won by aggregating global liquidity around events that American media already covers heavily.
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• Volume is concentrated among a small set of heavy traders, not casual readers. That makes the front end look like a mass media destination, while the back end behaves more like a specialist exchange. The result is an unusually efficient model where a relatively narrow trader base can generate prices that millions of non traders watch.
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The next step is more separation between where liquidity comes from and where distribution happens. As prediction market data gets embedded into broker apps, media feeds, and sports products, the winning platforms will be the ones that can gather global order flow and package it into clean probability signals for mainstream audiences, especially in the U.S.