Tracing the fault lines in a system’s logic — In the first half of 2025, Kalshi, the CFTC-regulated prediction market platform, spent $990,000 on federal lobbying. That figure alone would be unremarkable, except it nearly equals their total lobbying expenditure for all of 2024. For a startup whose entire annual revenue likely remains under $10 million, this is not a budget line item. This is a signal that the existential battlefield for prediction markets has shifted from the Solidity compiler to the halls of Congress.
Context: The Regulatory Crossroads
Prediction markets — platforms allowing users to wager on the outcomes of elections, sports, and economic events — sit in a legal grey zone. Kalshi operates under CFTC oversight as a designated contract market, offering “event contracts” that are legally distinct from gambling. Polymarket, the pseudonymous off-chain order book with on-chain settlement, lacks such a license and faces ongoing enforcement risk. Both are now fighting a two-front war: against the entrenched casino industry, which sees them as direct competitors, and against a Congress increasingly eager to define the line between “investment” and “gambling.”
The stakes are stark. The American Gaming Association ramped up its lobbying spending by 30% in the same period, targeting bills that would explicitly classify sports-related event contracts as illegal gambling. Former Representative Patrick McHenry, now a board member at a blockchain advocacy group, noted that casinos hold a “structural first-mover advantage” in state and federal regulatory capture. Prediction markets are challengers trying to buy their way into a club where the incumbents already own the building.
Core: Dissecting the Anatomy of a Lobbying Arms Race
Kalshi’s strategy is aggressive and transparent. They hired former Obama and Biden administration officials, and notably brought on Donald Trump Jr. as an advisor — a direct link to the party controlling the White House and both chambers of Congress. Their $990,000 half-year figure is a record for them. The message is clear: survival requires buying influence.
Polymarket, by contrast, spent only $180,000 — roughly one-fifth of Kalshi’s outlay. This disparity is revealing. Polymarket is betting that its superior product experience and organic user growth (surging trade volume, especially around US elections) will create enough market gravity to force regulators to tolerate it. But that strategy is a gamble of its own. Witness the recent insider trading scandal: a Polymarket whale with advance knowledge of a political campaign event profited $4.2 million before the news broke. The incident highlighted the platform’s vulnerability to manipulation, and gave regulators a concrete case to cite when arguing for tighter controls.
Mapping the invisible architecture of value — The lobbying spend itself is a symptom of a deeper structural flaw. Prediction markets are platforms for aggregating information, but their value is entirely contingent on legal permission to operate. Unlike DeFi protocols that can fork and redeploy across jurisdictions, Kalshi and Polymarket are tethered to US regulatory consent. Their business models are not decentralized; they are rent-seeking monopolies over allowed event categories. The lobbying dollars are the rent they pay to maintain that monopoly.
The casino industry understands this. Their lobbying is not just defensive; it is a preemptive strike to define prediction markets as “unlicensed gaming.” If they succeed, platforms like Polymarket could be forced to geoblock all US users, collapsing their liquidity and cultural relevance. Even Kalshi, with its CFTC blessing, could see its event contracts limited to a handful of non-sporting categories, gutting its user base.
Contrarian: What the Bulls Got Right
To dismiss prediction markets as mere gambling is to ignore their informational utility. Event contracts provide a real-time, incentive-aligned mechanism for forecasting election outcomes, economic indicators, and even public health data. During the 2024 US election, Polymarket’s betting odds correlated more closely with polling averages than any single pollster. That is not gambling; that is price discovery. Institutional traders already use prediction markets for hedging political risk — a function traditional finance struggles to replicate.
Moreover, Kalshi’s heavy lobbying may be a rational bet. If they can insert language into a financial services bill that explicitly exempts “bona fide event contracts” from state gambling laws, they will have created a durable moat. The cost of lobbying — even $2 million annually — is trivial compared to the potential market for election and sports betting in the US, estimated at $10-20 billion per year. They are spending pennies to buy access to a gold mine.
Isolating the variable that broke the model — The contrarian angle also acknowledges that the casino industry’s “structural advantage” may be eroding. Younger demographics are less loyal to traditional sportsbooks and more attracted to the defi-native, peer-to-peer feel of Polymarket. The legalization of sports betting in dozens of states has actually normalized the concept of “betting on outcomes,” reducing the stigma prediction markets face. Public opinion, if channeled correctly, can be a lobbying force of its own.
Takeaway: The Clock Is Ticking
The next 12 months will determine the fate of prediction markets in the US. Two bills currently in Congress — one targeting event contracts outright, another attempting to carve out a regulated path — are moving through committee hearings. The outcome will not turn on technical audits or liquidity depth. It will turn on which side buys more access, hires more former staffers, and frames the narrative better.
From my experience auditing smart contracts and market manipulation vectors, I can say this: code does not lie, but legislation can be bought. Prediction markets are not dying because of a bug in their algorithms. They are dying because they are losing the lobbying war. And in a democracy, that is the only war that matters.
Observing the cold mechanics of trust — The final irony is that the very feature that makes prediction markets valuable — their ability to aggregate decentralized knowledge — is being disrupted by the most centralized force of all: political power. The next time you see a Polymarket contract on the 2026 election, remember that the platform’s survival depends less on its smart contracts and more on the campaign contributions flowing through Washington’s K Street.