If you are an industry insider tempted to leverage privileged information for a financial windfall on platforms like Kalshi or Polymarket, you are increasingly likely to find yourself unemployed—or worse, the target of a regulatory investigation. As the popularity of event-based prediction markets continues to surge, major Hollywood studios and production companies are scrambling to update their internal compliance guidelines, effectively banning employees from wagering on everything from casting announcements and box office results to the outcome of reality television competitions.
The rapid rise of prediction markets, which allow users to bet on the outcome of future events, has created a new frontier for potential insider trading. While traditional stock market rules have long prohibited the use of non-public, material information to influence financial trades, the application of these ethics to the entertainment sector has been ambiguous—until now. Recent internal memos obtained by The Hollywood Reporter reveal a industry-wide pivot, with companies such as PMC—the parent organization of Variety, Deadline, and The Hollywood Reporter itself—implementing strict prohibitions against betting on production timelines, release dates, and award nominations.
A Growing Compliance Crisis
The expansion of these rules is not merely an exercise in corporate policy; it is a reaction to a clear and present threat to the integrity of the industry. Columbia University law professor Joshua Mitts, a leading researcher on the legalities of prediction markets, argues that we are witnessing an "explosion" in the number of employers who must now grapple with the ethical and legal implications of these platforms.
"You now have an explosion in the number of employers who have to think about insider trading rules from an ethical standpoint," Mitts explains. "Totally apart from the question of criminal prosecution, there is the compliance problem: educating your employees on what is actually allowed. The difficulty lies in the fact that many employees may not realize that non-public information about a film release or a casting decision is, in a legal sense, material information that, if used for profit, could trigger severe consequences."
The compliance challenge is exacerbated by the sheer ubiquity of the betting categories. Platforms now offer markets on nearly every aspect of the creative process, including who will be eliminated from a reality show, which guest will appear on a late-night talk show, or who will be cast as the next major cinematic icon. Because many of these events involve rehearsals or pre-taped segments, the window for "insider" information to be exploited is significantly wider than in traditional financial markets.
Chronology of Recent Scandals
The crackdown is the result of several high-profile incidents that exposed the vulnerability of the entertainment industry to market manipulation.
In February, a landmark case involving the creator MrBeast highlighted the risk. A video editor working for the company was found to have utilized confidential, non-public information to place bets on upcoming content. The employee managed to secure a $5,000 profit before the scheme was uncovered. The fallout was swift: the employee was terminated, and a $20,000 penalty was levied, serving as a stark warning to others in the industry.
By April, the scrutiny intensified when a report from Puck identified an employee working on a CBS competition series who had been systematically profiting from insider knowledge on a prediction market. These incidents are widely considered by legal experts to be merely the "tip of the iceberg," as the difficulty in tracking anonymous, blockchain-based transactions makes it nearly impossible to quantify the true scale of the problem.
In one notable instance of market volatility caused by suspected insider activity, the betting site BetOnline was forced to temporarily suspend its market for the next James Bond. The move followed a surge of "sharp money" favoring actor Callum Turner, which pushed his odds far ahead of the previous frontrunner, Jack Lowden. The anomaly prompted immediate concerns that a credible leak had occurred, leading the platform to halt betting to preserve the integrity of the market.
The Data Behind the Bets
The financial scale of these markets is staggering. A research study conducted by Joshua Mitts and Moran Ofir of the University of Haifa identified approximately $143 million in anomalous profits generated on Polymarket over a two-year period. This figure is believed to have increased exponentially in the months since the study’s conclusion, driven by a wider array of betting categories and an increase in mainstream adoption.
These markets often suffer from a severe information asymmetry. While proponents argue that prediction markets can provide value by hedging against risks—such as a company protecting itself against shifts in government policy—the entertainment sector offers little to no such social utility. "There is a high degree of asymmetric information," says Mitts. "With a straight face, can you really say society is making better decisions because we know the probability of who is going to win a reality TV show, or the probability of a movie sequel?"
Regulatory Hurdles and the CFTC
The Commodity Futures Trading Commission (CFTC) finds itself at a crossroads regarding how to regulate this new asset class. During the summer, the Commission issued an open call for public comment on which types of event contracts should be permitted. While the CFTC has signaled that award shows like the Oscars might be classified as "contests" rather than "gaming"—because they rely on evaluative, subjective judgments rather than skill—they remain deeply skeptical of reality television and talent competitions.
The concern is that reality shows are often subject to contractual agreements that prioritize entertainment value over impartiality. During the last season of Survivor, for instance, aggressive betting activity led to claims that the winner had been identified long before the finale aired, sparking public outcry and complaints to the CFTC.
Interestingly, the legal landscape in the United States is anchored by a piece of legislation that is both archaic and remarkably specific. The Onion Futures Act of 1958 explicitly banned betting on two things: onion futures and motion picture box office receipts. Despite the modern proliferation of complex betting on everything from politics to weather, the ban on box office revenue betting remains federal law, a strange, lingering artifact that leaves the rest of the entertainment industry largely in a regulatory gray zone.
The Enforcement Dilemma
Even with strict company policies and a growing awareness of the risks, enforcement remains the primary obstacle for studios. In the era of decentralized finance, betting can be conducted via blockchain-based platforms that utilize "mixers" and multiple layers of intermediation to hide a user’s identity.
"With blockchain-based trading, it can be basically impossible to catch a bettor if you know how to use a mixer correctly," Mitts notes. "It’s quite hard for employers to suss it out through an open-source investigation."
The inability to fully police these markets was highlighted in February, when six newly created cryptocurrency wallets collectively earned $1.2 million by accurately betting on U.S.-Israeli strikes in Iran. Despite the obvious signs of insider information or extreme forecasting, no culprits were ever identified.
Future Implications for the Industry
As studios continue to formalize their internal policies, the industry is bracing for a period of heightened scrutiny. Experts anticipate that if the CFTC moves toward a tighter regulatory framework, the entertainment sector will be a primary target. The combination of "low social benefit" and high potential for insider corruption makes entertainment-based prediction markets a prime candidate for future legislative action.
For now, the message from major studios is clear: the potential for a few thousand dollars in winnings is not worth the risk of career-ending consequences. As the line between private corporate information and public betting odds continues to blur, companies are moving to protect their intellectual property and the sanctity of their creative processes by treating every prediction market account as a potential liability. Whether these internal bans will be enough to curb the behavior, or if they will simply drive the activity further underground, remains the central question for legal and compliance departments across Hollywood.

