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ToggleAre prediction market platforms innovative financial markets regulated by the federal government, or illegal casinos violating local regulations? This legal battle, which could determine the survival of the industry, has reached a crucial turning point in the United States.
According to the Associated Press , U.S. District Judge Michael Liburdi issued a temporary injunction on Friday (10th), formally prohibiting Arizona from enforcing its state-level gambling laws against prediction market operators and suspending the state's criminal prosecution against the prediction market platform Kalshi. This ruling means that the Kalshi arraignment hearing originally scheduled for next Monday has been canceled.
The CFTC has criticized the "weaponization" of state criminal law.
Arizona is the first state in the U.S. to file criminal charges against Kalshi. State prosecutors previously charged Kalshi with 20 misdemeanors for allegedly accepting bets on political elections, college sports, and player performance, and for operating a gambling business without a license.
However, this state-level enforcement sparked a strong backlash at the federal level. The U.S. Commodity Futures Trading Commission (CFTC) subsequently filed a lawsuit against Arizona, arguing that the state had interfered with the CFTC's exclusive federal jurisdiction over the national "swaps markets."
CFTC Chairman Michael Selig harshly criticized Arizona's actions in a statement:
"Arizona's decision to weaponize its state criminal law against businesses that comply with federal law sets a dangerous precedent. Today's court order sends a clear message: intimidation is not a qualified means of circumventing federal law."
Kalshi's defense: We are a financial swap, not a casino.
In response to accusations from the state government, Kalshi maintains that it is essentially a financial market, not a gambling establishment. The platform operates by allowing clients to purchase "Yes" or "No" contracts linked to the possible outcomes of events. Kalshi emphasizes that its clients engage in peer-to-peer "swaps," rather than "betting against the house" as in traditional casinos.
Robert DeNault, head of enforcement at Kalshi, praised the ruling on the X platform as "a step in the right direction." The company has also filed countersuits in Arizona, Utah, and Iowa, warning that shutting down its ability to offer event contracts would seriously threaten the company's survival and damage market trust in the platform.
With the Trump administration's strong support, legal battles continue to escalate across states.
This legal battle is not only a tug-of-war between state rights and federal power, but also deeply politically charged. The report points out that the current Trump administration has so far expressed support for prediction market platforms. President Trump's eldest son, Donald Trump Jr., is not only an advisor to both Kalshi and Polymarket platforms, but also an investor in the latter; meanwhile, Trump's social media platform, Truth Social, is preparing to launch its own cryptocurrency prediction market, "Truth Predict."
Currently, the fate of prediction markets in various US states is polarized. Judges in Nevada and Massachusetts have issued preliminary rulings in favor of state injunctions; while federal judges in New Jersey and Tennessee have chosen to support Kalshi. With the federal government formally filing lawsuits this month against regulatory measures in Connecticut, Arizona, and Illinois, this landmark legal battle over the future of prediction markets is only just beginning to intensify.
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