Nobody Can Ignore Insider Activity on Prediction Markets Now. And Nobody Knows What Happens Next.

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An American soldier has been charged with using classified information to win big on prediction markets, wagers that raised eyebrows when they were made —and which are now focusing attention on the markets themselves.

It remains to be seen whether prediction markets—the burgeoning venues that let folks make simple, often binary bets on events that run the gamut from sports and awards shows to central bank policy, corporate earnings and elections—will face a of reckoning in response to revelations suggesting that people profited, or attempted to, by improperly using "inside" information to bet on Maduro's capture and other events. Those revelations have raised questions about the integrity of the markets and those who trade in them, but also issues of national security and social mores.

But government officials and companies—including the markets operators themselves—have weighed in lately, intensifying scrutiny from media organizations, market participants and others; arresting suspected parties; dispensing charges and fines; and, in some cases, banning users.

People using, or attempting to use, confidential information for personal gain, can put prediction markets at odds with authorities and regulators.

The Justice Department last week said the soldier, who allegedly used classified information related to the timing of the U.S. military operation to capture Maduro in Venezuela on a Polymarket wager, won more than $400,000 doing so. The soldier "participated in the planning and execution" of the effort, the government said.

“Prediction markets are not a haven for using misappropriated confidential or classified information for personal gain,” U.S. Attorney Jay Clayton said in a statement.

And Kalshi recently said it suspended and fined three congressional candidates—from Minnesota, Texas, and Virginia—for trading on event contracts tied to their own campaigns.

Shayne Coplan, founder and chief of Polymarket, after the Venezuela charges were filed said he was "grateful" that the government "acknowledged Polymarket's cooperation." Kalshi said all three cases of "political insider trading" were flagged thanks to its "newly released safeguards." Polymarket did not respond to Investopedia's request for further comment in time for publication, while Kalshi referred to its previous statement about the three political cases.

The U.S. venues operated by Kalshi and Polymarket are regulated by the Commodity Futures Trading Commission, which has started the process of setting new rules and guardrails for them. But if bad actors can circumvent safeguards to access restricted sites like Polymarket's international venue, and big potential payouts are driving people to attempt to manipulate outcomes—like taking a hair dryer to a weather sensor, with authorities in France investigating possible tampering tied to a temperature-related bet— the markets' issues may be a challenge to effectively address.

Several states have prohibited their employees from using nonpublic information to trade, as have some hedge funds and other financial institutions.

At least one shop that wants to launch prediction markets ETFs is chalking up the latest developments to industry growing pains. Matt Hougan, chief investment officer of Bitwise Asset Management, in a recent interview with Investopedia likened the latest events to the early days of cryptocurrency, though he sees prediction markets as starting with a stronger regulatory foundation.

"What we're seeing is those markets maturing in front of our eyes," Hougan said.

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