Ross Gerber isn't mincing words when it comes to prediction markets. The CEO of Gerber Kawasaki Wealth and Investment Management went after platforms like Kalshi on Wednesday, calling them nothing more than illegal sports betting operations hiding behind regulatory loopholes.

The Core Complaint

In a post on X, Gerber argued that these platforms have found a clever workaround to state gaming laws. "Prediction markets are just illegal sports betting operations that somehow has been allowed to exist," he wrote. "Crazy this hasn't been stopped."

His issue? These platforms classify bets as futures contracts, which theoretically puts them under federal commodity regulation rather than state gambling laws. For states like California, where sports betting remains illegal, this creates an obvious tension. Are people trading legitimate futures contracts, or are they just placing bets with extra steps?

The Numbers Tell a Story

Gerber's comments came in response to data showing what's actually happening on these platforms. According to Dune Analytics, sports betting accounts for a whopping 72% of Kalshi's all-time notional volume. That's not a small side business—it's the core product. When sports wagering dominates that thoroughly, it becomes harder to argue you're primarily a futures exchange.

Legal Pressure Mounting

The timing of Gerber's critique is notable because prediction markets are suddenly facing serious regulatory heat from multiple directions.

Connecticut dropped the hammer Wednesday, issuing cease-and-desist orders to Kalshi, Robinhood, and Crypto.com. The state's accusation is straightforward: these platforms are conducting unlicensed online gambling, specifically sports wagering. Kalshi fired back immediately, seeking an emergency temporary restraining order and preliminary injunction to keep operating.

But Connecticut isn't the only battleground. Last week, a Nevada judge reversed what had been a crucial legal victory for Kalshi, ruling that contracts based on sporting event outcomes don't fall under Commodity Futures Trading Commission jurisdiction. Kalshi has filed an emergency motion for a stay while appealing. Meanwhile, New York lawmakers have introduced legislation specifically aimed at banning sports-related and event-based betting on platforms like Kalshi.

An Industry Under Scrutiny

Despite the legal turbulence, prediction markets have grown into a substantial industry. Polygon-based Polymarket and Kalshi together control more than 90% of the prediction market space, according to Dune Analytics.

The sector continues attracting big names. Binance co-founder Changpeng Zhao recently highlighted a new prediction market on the BNB Chain, incubated by his venture capital firm, YZi Labs.

Whether these platforms can maintain their current structure remains an open question. The legal challenges suggest state regulators aren't buying the "futures contract" framing, especially when the overwhelming majority of activity looks like sports betting. Gerber's public criticism adds another voice to a growing chorus questioning whether prediction markets have exploited a regulatory gray area that won't stay gray much longer.