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Arizona governments target prediction market insider trading by employees

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The word "KALSHI" in bright green letting, with another version in fainter green next to it, on a black background, with images on text and icons on computer and phone screens below

Several government entities in Arizona have taken steps recently to bar employees from using nonpublic information to wager on online prediction markets like Kalshi and Polymarket. Photo: Martin Lelievre/AFP via Getty Images

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