Kalshi said it has opened roughly 200 investigations into potential rule violations, with about a dozen escalating into what the company described as “active cases.” The disclosure comes as prediction markets face mounting political and regulatory attention over possible insider trading and market manipulation. On Wednesday, the platform confirmed it had closed two insider cases — one involving a former California gubernatorial candidate and another tied to a video editor who worked on the popular YouTube channel MrBeast. Kalshi said one case involved Artem Kaptur, an editor for MrBeast’s show, who “appeared to have ... (full story)