TheBlock
Kalshi is investigating at least three wagers that correctly predicted President Donald Trump would select conservative commentator Katie Zacharia as his next White House press secretary, The Wall Street Journal reported. The bets were placed before news outlets reported the appointment around 2 p.m. ET on Friday, when traders had assigned Zacharia roughly a 1% chance of winning the role.
One $19 wager placed around 10:42 p.m. ET on Thursday is scheduled to pay $1,896 when the market closes. Two additional bets, worth about $74 and $80, were placed around 1:41 p.m. Friday and are expected to pay $3,689 and $4,023. Trump later confirmed Zacharia's appointment in a Truth Social post.
Why it matters
Kalshi's markets are anonymous to the public, but the company retains records of trader identities. That makes the investigation a test of whether prediction-market platforms can distinguish informed trading from legitimate speculation when a politically sensitive outcome moves sharply from a 1% implied probability to a confirmed appointment.
The case follows earlier scrutiny of Kalshi. Former White House teleprompter operator Gabriel Perez agreed to repay $107,539 in profits and pay a $65,000 civil penalty after CFTC charges related to trades made after he viewed Trump's prepared remarks. Kalshi assisted the agency and later permanently banned former Rep. George Santos over trades tied to his State of the Union attendance.
Market impact
The immediate impact is regulatory and reputational rather than a token-price move. In June, Kalshi said it had made more than 20 law enforcement referrals and opened more than 150 investigations during the first quarter. The company also began requiring employment disclosures for traders entering markets it considers particularly vulnerable to insider trading or manipulation.
The CFTC did not respond before publication, while the House Oversight Committee has separately sought documents from Kalshi and Polymarket on identity verification and unusual-trading detection. The outcome will help shape how regulators and lawmakers assess market integrity across political prediction platforms.
Frequently asked questions
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What is Kalshi investigating in the Zacharia market?
Kalshi is investigating at least three wagers placed before news broke that correctly predicted Katie Zacharia would become Trump's press secretary.
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How large were the reported payouts?
A $19 wager is scheduled to pay $1,896. Two other bets, worth about $74 and $80, are expected to pay $3,689 and $4,023.
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Why does the 1% probability matter?
Kalshi traders gave Zacharia roughly a 1% chance of being selected before the reports, so the successful bets had unusually high implied payouts.
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Can Kalshi identify the traders behind anonymous bets?
Kalshi markets are anonymous to the public, but the company retains records of trader identities, which can support investigations into possible insider trading.
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What steps has Kalshi taken to address market manipulation?
Kalshi said it made more than 20 law enforcement referrals and opened over 150 investigations in the first quarter. It also began requiring employment disclosures in higher-risk markets.
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