Why Is Trump So Keen on Prediction Markets?

A few days ago, I read that Arizona hit the prediction market Kalshi with criminal charges. What stood out was not just the case itself, but the line that the Trump administration was backing this multibillion-dollar industry.

That immediately raised a bigger question: why is Trump so supportive of prediction markets?

The short answer is that prediction markets sit at the crossroads of politics, finance, media, and gambling. Supporters say they are useful financial instruments that aggregate information better than polls or pundits.

Critics say they are gambling products dressed up in legal language, often built on the same instincts and behaviours as sportsbooks.

In 2026, that fight has become one of the most important regulatory battles in US betting.

Arizona Takes Aim at Kalshi with Criminal Charges

Arizona has become the first state to bring criminal charges against Kalshi, accusing it of operating an illegal gambling business and accepting bets on political outcomes, college sports, and individual player performance in violation of state law.

The state says Kalshi is effectively offering unlawful wagering. In contrast, Kalshi says it is a federally regulated financial exchange that should answer only to the Commodity Futures Trading Commission, (CFTC).

That matters because this is no longer just a niche legal spat. AP reported that sports betting makes up roughly 90% of Kalshi’s trading volume, which means the case could have major consequences for how sports-event contracts are treated across the US.

Reuters separately reported that analysts estimate prediction markets handled approximately $47 billion in trading volume in 2025, underscoring the significant size of this category.

Why the Trump Administration Is Backing Them

The Trump administration, through CFTC chairman Michael Selig, has taken the position that federally regulated prediction markets fall under the CFTC’s exclusive jurisdiction.

In a February 17 filing, the CFTC said states and other federal entities do not have authority to regulate markets within the agency’s exclusive jurisdiction. Selig has also argued publicly that event contracts are commodity derivatives, not ordinary gambling products.

AP went further and described the administration as taking an unusually broad view of commodities and futures to support Kalshi and Polymarket in court fights with states.

Selig has framed the issue as a federal-preemption battle and warned that the CFTC will not “sit idly by” while states try to block these products.

Reuters also reported this month that the agency is moving toward a rulemaking process for prediction markets, showing that this is not just rhetoric but an active policy priority.

There is also a philosophical argument here. Selig has said that if the US blocks these markets too aggressively, activity will simply move offshore, echoing the logic often used in crypto policy.

In other words, the administration’s case is not just that these markets are legal, but that it is better to regulate them in the open than drive them into less visible venues.

The Trump Family Connection

This is where the story becomes more politically sensitive. Donald Trump Jr. is not just a casual observer. Kalshi announced in January 2025 that he had joined as a strategic adviser. Kalshi said at the time that his role would help push prediction markets into the mainstream.

That is not the family’s only tie to the space. AP reported that Trump Jr. has invested in Polymarket through his venture-capital firm and serves as a strategic adviser for Kalshi.

Reuters reported in August 2025 that Trump Jr.-backed 1789 Capital invested in Polymarket in a deal said to be worth the double-digit millions, and that he was set to join Polymarket as a strategic adviser as well. AP also reported that Truth Social is launching its own crypto-based prediction market, Truth Predict.

Put plainly, the Trump family is not merely supportive of prediction markets in the abstract. It has direct advisory and investment ties to major players in the sector, while the administration is simultaneously pushing an interpretation of federal law that could help those businesses grow.

Does This Cross Ethical Lines?

This is where the legal question and the moral question split apart.

On the legal side, I have not found evidence that Donald Trump, Donald Trump Jr., or the administration have been accused by prosecutors of insider trading in connection with Kalshi or Polymarket.

It would be wrong to present that as fact. The cleaner, more accurate point is that there is a potential conflict-of-interest problem when a president’s family has advisory and investment links to businesses that may benefit from favorable federal interpretation or enforcement choices.

On the policy side, insider-trading concerns around prediction markets are very real more broadly. Reuters reported that the CFTC’s new rulemaking push comes amid concerns about the legality and ethics of some trades and the potential for insider trading.

Reuters also reported that the CFTC says it has full authority to police misconduct in event contracts, and cited a statement from Kalshi saying it had flagged and frozen accounts related to two incidents of insider trading.

Congress is reacting too. Reuters reported this week that Democratic lawmakers introduced legislation aimed at banning prediction-market bets on military operations and other sensitive government actions, after concerns about well-timed bets tied to events such as US-Israeli airstrikes in Iran and operations in Venezuela.

AP’s broader reporting has also highlighted how these markets can intersect with sports-integrity concerns, especially as they expand deeper into sports outcomes and player props.

So does Trump’s support “break moral grounds”? That depends on the standard being applied. There is no proven insider-trading case here based on the reporting I reviewed.

But there is a clear ethical issue when family members hold roles in a market that could benefit from federal backing, especially in a sector already facing questions about manipulation, sensitive-event wagering, and uneven enforcement. That does not prove wrongdoing. It does justify scrutiny.

The Gambling Question Will Not Go Away

The industry’s preferred framing is that these are financial contracts between users rather than bets placed against “the house.” Kalshi and the CFTC have leaned hard on that distinction.

But states, gaming regulators, and critics keep pointing to the same practical reality: when most of the volume is tied to sports, and when users are buying yes/no contracts on games and player outcomes, the product can look a lot like sports betting with a different legal wrapper.

That is why the legal fight matters so much. If federal regulators and the courts side decisively with Kalshi and Polymarket, the result could weaken state control over a large slice of event betting.

AP explicitly warned that, if these platforms prevail, states could lose significant ability to regulate gambling effectively

Read More

• Trading or Gambling? The Battle Over Prediction Markets Heats Up

Final Thoughts

The reason Trump is so for prediction markets appears to be a mix of politics, ideology, and business. Politically, they helped reinforce the idea that markets saw his 2024 win more clearly than the mainstream press did.

Ideologically, his administration is treating them as financial innovations that should be regulated nationally through the CFTC.

Commercially, the Trump family has genuine ties to the sector through Kalshi, Polymarket, and now a Truth Social prediction-market project.

That does not automatically prove corruption or insider trading. But it does create an obvious ethical cloud, especially at a time when prediction markets are facing lawsuits, criminal charges, congressional backlash, and growing concern over what happens when money is placed on politics, war, sport and government action all at once.

Read More

• Prediction Markets Continue Global Expansion: Kalshi Enters Brazil
• War and Prediction Markets: Why Polymarket Traders Harassed an Israeli Journalist

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