An anonymous X account that frequently posts anti-Black and anti-Muslim messages collects checks from Kalshi, the prediction market operator valued at more than $20 billion.

The user, who goes by Wall Street Mav and has 1.7 million followers, wrote Saturday that former ESPN analyst Ryan Clark, who is Black, acts like a “chimp.” A day later, the Kalshi-sponsored account appeared to pine for a cast of Miss Germany pageant finalists made solely of white people.

Between such posts, Wall Street Mav promotes Kalshi betting odds.

Top prediction market platforms like Kalshi are going all-out to maintain market share, and that has sometimes meant funding social media profiles with significant followings but also significant baggage.

Wall Street Mav has made dozens of pro-Kalshi posts over the past year without advertising disclosures—a breach of X rules if the account was paid for those posts, something Kalshi did not respond to in a request for comment. Wall Street Mav only began tagging its Kalshi posts with X’s “paid partnership” label after a Sportico reporter asked last week whether it was affiliated with Kalshi.

Paid partnerships entail brands paying influential X accounts to hawk their products; it’s unclear how much Wall Street Mav is being compensated to advertise for Kalshi.

Kalshi did not respond to a request for comment. Attempts to reach Wall Street Mav were unsuccessful.

Wall Street Mav blames immigrants for many of the woes of Western countries, advocates for “mass deportations” and suggests certain types of people, such as Muslims and Africans, should not come to the U.S.

“This concept that ‘anyone can be an American’ is ridiculous,” Wall Street Mav wrote in December. “Certain cultures and ethnic groups have already proven decisively that they are unable to do it.”

In April, Wall Street Mav wrote: “Epstein Island happens every day in Islamic countries, but it’s just called being Muslim.” The message received more than 2,000 reposts and 16,000 likes.

X did not respond to a request for comment. In 2025, the platform banned an account that allegedly shared ownership with Wall Street Mav for “violating platform manipulation policies,” according to head of product Nikita Bier.

While Wall Street Mav is an extreme example of a paid account posting incendiary messages, Kalshi has also sponsored accounts that promoted election conspiracies in California. It asked those accounts to take down the conspiracy messages after Semafor reported on them, with a Kalshi spokesperson citing rules for affiliates it has not made public.

Last year, Kalshi lent its logo to X accounts that made anti-Semitic posts. It’s unclear whether the badge-sharing was part of a paid deal—Kalshi distanced itself from those accounts at the time, likening the arrangement to the users having “bumper stickers” to support prediction markets—and the company has since stopped giving out its badges to non-employees on X.

“Since retiring the badges program, we’ve clarified our affiliate policies with partners,” a Kalshi spokesperson told Sportico in a statement last week that was provided for a separate story.

Kalshi’s paid promotion agreement with Wall Street Mav shows how new incentives are shaping betting industry advertisements.

State regulation was the only oversight model for betting until 2024, and during that period, traditional sportsbook operators could only offer wagers on sports. As a result, companies mostly teamed up with social media accounts focused on sports teams and leagues, playing into fan passions.

With prediction markets able offer bets on elections under the federal oversight of the Commodity Futures Trading Commission (CFTC), operators like Kalshi branch out to advertise through accounts focused on partisan politics and attract political bettors who might not be interested in sports.

Election betting is less popular than sports betting on prediction markets, but it’s one of the original focuses of both Kalshi and Polymarket.

“[Election trades] cut through polarization and show you what the wisdom of the crowds actually believes, backed by real money, not rhetoric,” Kalshi CEO Tarek Mansour said in a statement last week as his company launched a new online hub for its election-related bets ahead of this fall’s U.S. midterm elections.

Kalshi didn’t start offering sports wagers until January 2025; now those bets make up more than 80% of its notional volume when including parlays. Kalshi expects election wagers to increase in the run-up to the midterms.