Report places a select Polymarket cohort at $40 million as platforms lower age to 18

An invitation-only group of roughly 30 Polymarket members has obtained about $40 million in profits since 2024, according to reports published on 5 October 2026. At the same time, Polymarket US and Kalshi lowered the minimum account age to 18 years, moves that arrive while regulated prediction markets face scrutiny over who wins and how younger traders are being onboarded.

Polymarket $40 million: what the report says

The 5 October article cites data attributing the windfall to a closed circle of users. That $40 million figure is presented as an estimate accumulated since 2024 by the group described as “alphas” on Polymarket’s international platform. The reports also state that on the same international platform 69.2% of manually operated accounts closed below breakeven.

Those percentages illustrate a concentrated distribution of outcomes: a minority achieves substantial gains while the majority of manual traders lose money. The profitability statistic — 69.2% below breakeven — comes from the analysis cited by the outlets and appears alongside the aggregate $40 million figure.

Polymarket $40 million and the implications for transparency

The size of the claimed profit intensifies calls for transparency about who wins in regulated prediction markets and under what conditions. Regulators and state prosecutors already argue that these platforms bear similarities to betting venues, and the existence of concentrated gains by an invitation-only group provides evidence opponents can use in legal and legislative processes.

Lawmakers and prosecutors see that data as material to question market access fairness, information asymmetry and the economic design of the products. If a platform cannot document access rules and protection mechanisms for retail users, that record will be used by those pushing for more restrictive frameworks.

Minimum age 18: what Kalshi and Polymarket US changed

Kalshi and Polymarket US announced, in dates close to 5 October 2026 according to the reports, that they lowered the minimum account age to 18 years. The decision increases the number of young people who can open accounts and trade in markets that, according to the same reports, tend to show losses for the majority of manually trading accounts.

The conjunction of both facts — lowered minimum age and a high rate of accounts below breakeven — presents a concrete concern for regulators: the entry of traders with less capital and experience into an environment where the typical profile loses money. This adds a consumer-protection dimension to the debate over regulation of these markets.

Regulatory reactions and litigation in key states

Several state attorneys general and lawmakers are maintaining cases that frame platforms registered with the Commodity Futures Trading Commission as equivalent to betting venues. The states cited in the reports pushing cases with that argument include New York, Ohio, Tennessee and Missouri.

Legal pressure is increasing because Polymarket and Kalshi must now explain publicly their trader economics and access controls. The reports hint that both platforms will have to defend their practices before the United States Congress and simultaneously in several state courts if lawsuits and investigations continue.

What platforms should prepare and what questions arise

The data forces platforms, vendors and compliance teams to assemble and disclose evidence on:

• criteria for invitation or preferential access,

• internal tools to monitor concentrated winnings,

• consumer-protection procedures for underage users and novice traders,

• transaction traceability and performance metrics aggregated by cohort.

Operators that cannot show clear access controls and customer-protection measures will be targets for new regulation or litigation seeking to close what regulators describe as gaps in public protection.

What this means for investors and B2B providers

For tech firms, data vendors and liquidity custodians, the episodes highlighted by the reports mean increased demand for solutions that demonstrate transparency and fairness in execution. Institutional investors will also require greater visibility on concentration of returns and exposure to regulatory risk in prediction markets.

Changes in minimum age may reshape product design: identity-verification flows, suitability controls and risk messaging will take priority on product roadmaps.

Conclusion: the debate moves from the market to the courtroom and the legislature

The 5 October report puts two issues on the table at once: the concentration of gains represented by the alleged group of 30 “alphas” with about $40 million accumulated since 2024, and the lower entry barrier for 18-year users on Polymarket US and Kalshi. Both factors feed regulatory investigations and legal actions in multiple states, and require platforms to prepare public and technical defenses before Congress and state courts.

Renata Quiroga, Betting markets correspondent.