53% of Capitol Hill staffers expect Congress to pass insider trading safeguards for prediction markets like Kalshi and Polymarket, with over ten bills

53% of Capitol Hill staffers expect Congress to pass insider trading safeguards for prediction markets like Kalshi and Polymarket, with over ten bills

Kalshi says it has blocked "dozens" of trades from campaign insiders, but experts say the company's approach leaves lots of potential loopholes. NPR has found at least one trade…