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Polymarket US gains ground as weekly prediction trading reaches $19.46 billion
Combination contracts supplied 96% of Polymarket US’s weekly growth, while Kalshi set new daily and weekly volume records.
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NFL prediction trading tops $1.035 billion as Kalshi dominates
Patriots-Seahawks and 49ers-Rams each drew more than $100 million as Week 1 trading spread well beyond the opening games.
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NFL, tennis and the Fed lift prediction markets to $14.1 billion
Combined volume rose 9.3% in the Sept. 7-13 week as sports contracts and a Fed rate bet dominated trading.
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NBC says NFL season could be prediction markets’ biggest yet
Analysts see football as a near-term driver for event-contract trading, with NBC News saying volume on Kalshi and Polymarket could top $36 billion.
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NFL presses Kalshi and Polymarket to drop objectionable bets
The league said wagers on injuries, officiating, broadcast mentions and celebrity attendance could threaten game integrity as the 2026 season nears.