CNN's partnership with Kalshi introduces a significant ethical risk. While prediction markets can offer data-driven insights, their integration into mainstream news creates a feedback loop where actors can manipulate markets with relatively small sums of money to generate favorable headlines and influence political outcomes.

Traditional sports betting allows insiders to exploit static odds. In a liquid prediction market, a large bet based on inside information immediately moves the odds, reflecting that knowledge in the price and eliminating the arbitrage opportunity for the insider.

The case of a trader profiting from advance knowledge of an event highlights a core dilemma in prediction markets. While insider trading undermines fairness for most participants, it also improves the market's primary function—to accurately forecast the future—by pricing in privileged information.

Prediction markets like Polymarket operate in a regulatory gray area where traditional insider trading laws don't apply. This creates a loophole for employees to monetize confidential information (e.g., product release dates) through bets, effectively leaking corporate secrets and creating a new espionage risk for companies.

Foreign adversaries, particularly from the Middle East and China, are weaponizing political prediction markets. By funding ads that display skewed betting odds, they aim to create a false sense of momentum or inevitability for a candidate, representing a novel and subtle form of election interference designed to sow division.

Terry Duffy distinguishes between large-scale political events like a presidential election and smaller, local races. He argues that a prediction market on a local mayoral race with only a few hundred voters could be easily manipulated, as an actor could potentially buy the election to ensure their market prediction pays off.

Extreme conviction in prediction markets may not be just speculation. It could signal bets being placed by insiders with proprietary knowledge, such as developers working on AI models or administrators of the leaderboards themselves. This makes these markets a potential source of leaked alpha on who is truly ahead.

Prediction markets are becoming a new vector for election interference. Foreign entities, particularly from China and the Middle East, can place large bets to skew the odds. As media outlets increasingly cite these markets as legitimate indicators, this manipulation can shape public perception and influence voter behavior.

While praised for aggregating the 'wisdom of crowds,' prediction markets create massive, unregulated opportunities for insider trading. Foreign entities are also using these platforms to place large bets, potentially to manipulate public perception and influence political outcomes.