A new organization identifying itself as a market integrity watchdog launched a six-figure advertising campaign in Washington, D.C. on Wednesday, targeting prediction market platform Kalshi.

The campaign represents an escalation in messaging around prediction markets, which allow users to bet on the outcomes of future events including political races and policy decisions. Kalshi has been one of the most prominent platforms in this space.

The advertising blitz comes as Kalshi has increased its own communications and advocacy efforts in the nation's capital this year. The company has been working to expand its operations and defend its business model amid regulatory scrutiny.

Prediction markets have faced ongoing debates about their role in financial markets and whether they constitute gambling or legitimate financial instruments. Regulatory agencies have expressed varying views on how such platforms should be overseen.

The watchdog group's campaign indicates growing organized opposition to prediction market platforms, though the specific concerns and funding sources behind the initiative were not immediately disclosed. The timing suggests the debate over prediction markets' regulation and legitimacy continues to intensify in Washington policy circles.