A market has taken action against individuals for alleged misuse of privileged information. George Santos, a former representative, has been banned for life from Kalshi, a predictions market. This decision follows investigations into alleged insider trading.

Another individual, Laurie Buckhout, a candidate from North Carolina, admitted to betting on her own campaign, calling it a "mistake". This case highlights concerns about the use of privileged information in political markets.

Further details about these cases and the concerns surrounding insider trading in political markets are available from the source, which reported on the actions taken by Kalshi and the admissions made by those involved.