As prediction markets increasingly list contracts tied to political decisions and government activity, that information can become directly tradable. “We have also spent years building custom prediction market trade surveillance and enforcement systems that are similar to those used in the stock market.” Kalshi’s terms of service and exchange rules prohibit market manipulation and insider trading. While prediction markets have staunchly opposed allowing insider trading to occur on their platforms, Robin Hanson—professor at George Mason University and prediction market pioneer—argues insider trading is necessary. Amid the debate about insider information, the Trump family is increasingly getting into the prediction market business.