Invest7 publishers3 min readPublished Updated
Kalshi fined Santos exactly four times the $17,839 he made betting on his own attendance
The exchange's penalty came in at roughly double the CFTC's settlement over the same trades, which makes this the first case where a prediction-market venue priced its own integrity failure higher than its regulator did.
The Investor · Invest desk
What happened
- Kalshi's compliance department permanently banned George Santos in a notice dated Aug. 28 and assessed a $71,356 penalty over trades in a market that settled on whether he attended the State of the Union.
- A separate CFTC order dated July 31, covering the same trades, imposed a three-year trading ban on Santos and more than $35,000 in payments.
- After Santos asked his X followers which suit to wear, the Yes contract rose from about 15 cents to 70, and he sold the whole position for a $3,448.43 profit before withdrawing $10,146.07 by Venmo.
- Kalshi also fined North Carolina congressional candidate Laurie Buckhout $2,589 and banned her for three years over bets she puts at under $1,000 on her own campaign, which she called a dumb mistake.
Compiled by The InvestorSomething wrong?How this is made
Why it matters
- precedent A venue with no statutory penalty authority has now published a four-times-profit number, and the next exchange that settles a manipulation case for less will be asked why its rulebook is cheaper.
- constraint Because the prohibition binds the trader rather than the listing, any contract settling on one named person's choice commits the venue to policing after the fact the single participant it cannot screen out in advance.
- exposure Nothing in the record describes how the exchange actually recovers $71,356 from a banned user, so the penalty is worth whatever funds Kalshi can still reach rather than its face value.
- contradiction Kalshi found a failure to cooperate while Santos's lawyer says his client cooperated federally on what was his first prediction-market trade, so the same two weeks support both a lifetime ban and a routine settlement.
A penalty set at exactly four times profit is a borrowed shape, disgorgement plus treble: $71,356 against $17,839.57, imposed by a compliance department rather than a court [1][2][3]. Stack the CFTC's $35,000 settlement, which Santos took without admitting or denying the allegations, on top, and the two actions come to $106,356 against that profit, call it six times the gain and fifteen times the roughly $7,000 he deposited on Feb. 11 [5][7][1][2][3]. The venue's number landed at about twice the regulator's [4], and Kalshi got there with a members' agreement and a door it can close.
Read as a trade rather than a scandal, the positions are almost disciplined. The Yes leg averages about 21.7 cents across 30,874 contracts and the No leg about 36.3 cents across 23,855 [8][10][6][7], and he closed the No side early on Feb. 25 for $23,041.23 of proceeds, roughly 96.6 cents against a dollar the market had all but conceded, leaving about $814 of near-certain money behind [12][8]. The two realised gains add to $17,839.00, which is 57 cents short of the figure Kalshi multiplied by four [5]: small, and a useful reminder that the exchange's notice and the regulator's timeline are not the same document.
On the eve of the speech Kalshi's own market had him attending at close to 75%, and the Yes contract went from 73 cents to 2 [11][17]. Every counterparty was pricing a fact one identified participant controlled. Rule 5.17(z) forbids that participant from trading it [6]; it does not forbid listing it, and the venue's stated remedy, employment verification in sensitive markets [23], reaches a case like Gabriel Perez, the former White House teleprompter operator the CFTC ordered to pay more than $172,000 over mention markets [20], far better than it reaches a settlement condition that is one man's travel decision.
This is probably wrong, but the four-times multiple looks less like a schedule than a surcharge for one aggravating fact. Kalshi cited failure to cooperate promptly and fully [13], and told Fortune that the four other cases announced the same day drew temporary bans precisely because those traders cooperated [14]. Laurie Buckhout's $2,589 works out to at least 2.6 times her maximum stake of under $1,000 [15][9], and Stephen Cloobeck bought $10,000 of contracts on his own candidacy and got three years [16]. What would prove me wrong is the next uncooperative member drawing 4x on the nose. With no bill passed [23], the enforceable perimeter is a CFTC order plus a private rulebook, plus the blacklist each venue keeps alone, which is what Polymarket was doing when it cut ties with Santos in June [24]. Santos calls the exchange "an unserious company" [19]; in March he told his podcast audience that people lost money and that it showed how fragile these markets are [26]. On the second point he was describing the product accurately.
What to watch
- Whether Kalshi keeps listing contracts that settle on one named person's discretionary act, or retires the category outright.
- Whether the MrBeast editor probe ends in a fine with a published multiple or a quiet exclusion.
- Whether Polymarket starts publishing disciplinary notices with numbers attached rather than unpriced exclusions.