Pentagon Memo: New Rules for Military Bets

If you have a family member or colleague serving in the military, you might soon hear a new rule discussed over dinner. The Department of Defense has issued a new directive that tightens how its personnel can handle their personal finances. Specifically, the guidance targets the growing trend of placing bets on prediction markets. The core concern is that when a service member wagers on a military outcome, they may be sending an unintentional signal to foreign adversaries who are watching those markets closely.

Defense Secretary Pete Hegseth sent this warning to senior Pentagon leaders, Combatant Command heads, and Defense Department field activity directors. The memo, dated October 20 and released to the public yesterday, carries the subject line, “Do Not Compromise Military Operations for Personal Financial Gain.” The message is direct and aimed at preventing a situation where financial behavior leaks operational secrets. It is not a blanket ban on having a savings account or an investment portfolio, but it is a strict rule against making moves based on information that the rest of the world does not yet know.

The central claim in the directive is that financial transactions create a visible trail. Hegseth explained that enemies actively monitor movements in these markets. When a member of the military or an intelligence professional places a bet on a specific military outcome, they generate a signal. Hostile foreign intelligence services can aggregate these signals, correlate them with other data, and exploit the patterns. This allows them to anticipate U.S. movements, identify targets, and guess the timing of operations. The memo emphasizes that the safety of troops often relies on the enemy not knowing what is coming next.

Hegseth noted that the men and women who carry the flag into harm’s way deserve a force that protects them. He argued that they do not deserve a system that exposes them to the enemy for personal financial gain. This perspective frames the issue as one of force protection rather than just financial regulation. The goal is to ensure that the privacy of operational plans is maintained, even when individuals are acting in their private time. The memo seeks to close the gap between personal financial activity and national security interests.

This new guidance is not coming out of nowhere. It follows a series of events that highlighted the risks. In April, a U.S. Army soldier was arrested and charged with using confidential information. The soldier allegedly used that information to make $410,000 in bets on Polymarket. The specific wager was on the timing of the military’s capture of Venezuelan President Nicolás Maduro. This case served as a concrete example of how nonpublic knowledge can translate into financial gain for an individual.

Another report added weight to these concerns. In August, the Anti-Corruption Data Collective released findings that identified 152 suspicious wallets. These wallets placed longshot bets on military and defense markets. The group reported that these bets resulted in a combined win of $8 million. This data suggested a broader pattern of activity that warranted closer scrutiny from the defense leadership. It indicated that the issue was not limited to one isolated incident but was part of a larger trend.

The scope of the new rules is quite broad. Hegseth stated that the prohibition applies to all financial platforms. This includes traditional betting services as well as newer prediction markets like Polymarket and Kalshi. The memo makes it clear that Defense Department personnel may not make any financial transaction that is informed by nonpublic information. This restriction holds regardless of whether the information in question is classified or unclassified. The distinction between top-secret and merely internal information does not change the requirement for caution.

There are some open questions for those affected by this memo. For instance, how will the department monitor these transactions without infringing on privacy? The memo sets the standard, but the implementation details will likely come through subsequent guidance. Service members and civilians will need to stay informed about what constitutes nonpublic information in their specific roles. The directive aims to clarify expectations and reduce the risk that personal gain leads to operational compromise.

For now, the message is clear: be careful with your bets. If you know something about a military operation that the public does not, do not place a wager on it. This applies to a wide range of platforms and types of information. The department is taking a proactive step to protect its people by tightening the link between financial activity and operational secrecy. As prediction markets continue to grow, this issue will likely remain a topic of discussion within military circles.