Texas Doctors Want to Raise the Prediction Market Age Limit to 21. Kalshi’s Defense May Not Help Its Case
The Texas Medical Association formally called for a minimum age of 21 to participate in prediction market platforms.
The association added the age restriction alongside restrictions on advertising near schools and parks, limits on social media marketing, and a ban on the use of celebrities or cartoon characters in ads directed at younger audiences.
The proposal lands on the desk of the Texas Senate Committee on State Affairs, already conducting an interim study on what it describes as the sudden inundation of prediction-market gambling and the exploitation of federal law to circumvent Texas gambling prohibitions. Lt. Gov. Dan Patrick has directed the committee to look at closing what he calls gambling loopholes. Bipartisan support for the age limit exists, according to the TMA’s own conversations with lawmakers.
The platforms’ responses have been fairly predictable. In the least surprising response of all, a Polymarket spokesperson said state legislative efforts run counter to the established CFTC framework. Kalshi did not respond to KERA before publication. Both positions rest on the preemption argument that has driven two years of state-versus-federal litigation. That argument may ultimately win in court. It says nothing about whether 18 is the right age limit for the product.
Prediction Market Platforms Would Rather Make Legal Arguments
The TMA’s case draws on well-established public health research. Adolescents have weaker impulse control and stronger drives to take risks than adults. Early exposure to gambling correlates with higher rates of addiction later. More than 35% of boys aged 11 to 17 report gambling in the past year. Nearly 60% of 18-to-22-year-olds surveyed had engaged in at least one sports betting activity. Dr. Lindy McGee, former chair of TMA’s Child and Adolescent Health Committee, put it plainly: the younger you start, the more likely you are to become addicted.
Prediction market platforms lack the data to counter this argument directly. McGee acknowledged they are too new to have adolescent-specific research on their effects. But she made the more important point: prediction markets are no different psychologically from any other form of gambling, regardless of their legal classification. The CFTC license does not change the dopamine loop.
The platforms’ response to this argument, when they make one at all, defaults to process rather than substance. The CFTC oversees us, so this isn’t an arguable issue. State legislative efforts are preempted, and we comply with applicable law. None of those statements addresses whether 18-year-olds should be using the product, which is the question the TMA is actually asking.
Kalshi’s Main Defense Has a Built in Backfire
The Kalshi Truth website, the company’s public relations initiative aimed at rebutting hostile claims, offers a specific data point on youth usage. We recently analyzed the site, and the age-related entry is worth quoting directly. Kalshi’s stated fact: “The median Kalshi user is 31 years old. Less than 4% of volume comes from 18-21-year-olds.”
The defense is intended to demonstrate that young adult usage is marginal, but it creates a counterpoint to its own argument.
If Kalshi believes 18 is an appropriate age floor, the percentage of users aged 18-21 should be completely irrelevant. A company confident that its product is suitable for 18-year-olds does not need to reassure anyone that very few of them actually use it. You do not defend cigarette sales to 18-year-olds by pointing out that most smokers are older. The defense only makes sense if the company shares the concern that youth usage is a problem, in which case the obvious response is not to cite a low percentage but to raise the age floor to zero in that demographic.
Kalshi and other prediction market platforms have the power to do that. The platforms use identity verification at account creation. Raising the minimum age from 18 to 21 is a technical implementation decision, not a regulatory one. If less than 4% of the volume comes from 18- to 21-year-olds, the commercial cost of excluding them is modest. The reputational and regulatory costs of keeping them are not modest and appear to be growing.
Texas is a Unique Arena for this Battle
The TMA’s proposal carries more political weight than a comparable request from a state where prediction markets are already subject to active enforcement litigation. Texas has not sued Kalshi or Polymarket. Attorney General Ken Paxton, whose office issued the strict “any-chance gambling definition we covered earlier this year, has conspicuously declined to “take action” against prediction markets.
Lt. Gov. Patrick’s committee is studying the issue rather than litigating it. Texas is the state most likely to produce a legislative solution rather than a lawsuit, and a legislative solution in the second-largest state in the country carries different implications than a cease-and-desist from a smaller market.
The bipartisan support McGee described is also worth taking seriously. Republican legislators in Texas care about states’ rights and social conservative values, two considerations that pull in the same direction on this issue. A prediction market age limit is not a partisan position in the way that a sports betting expansion vote might be. It is a child protection measure backed by the state’s largest medical society, in a state whose legislature has historically been willing to act on exactly that kind of issue.
The platforms will argue preemption as they have at every opportunity. The Texas legislature may conclude that a 21-year-old age floor, applied to account creation rather than to the underlying contracts, falls entirely outside the preemption argument. Age verification is not a regulation of a swap. It is a condition of doing business with customers in Texas. Whether that distinction survives legal challenge is a different question entirely. It is a more interesting one than the platforms’ current response acknowledges.
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