Traders give the CLARITY Act a 14.5 percent chance of being signed into law this year. That was the Polymarket reading on the morning of September 1, with 85.5 percent of the money betting the market structure bill does not make it. The same week, the Senate finally put a date on the calendar. A cloture vote is set for September 15. Scheduling the vote looked like the first real forward step in months, yet the passage odds moved the wrong way, slipping about two points into that reading.
The gap between those two facts is the story. Congress is closer to voting on the CLARITY Act than at any point this year. The people wagering real money on the outcome are more skeptical than they were in the spring.
A vote to proceed is not a vote to pass
Senate Majority Leader John Thune filed cloture on the motion to proceed to H.R. 3633, the House version of the market structure package. The vote lands at 2:15 p.m. on September 15, the day after the chamber returns from an August recess that ran from August 8. Filing before the break kept the bill on the docket rather than letting it drift.
Cloture on the motion to proceed is a procedural door, not the finish line. It asks a narrow question: can the Senate even begin debating the bill? Clearing it takes 60 votes, which means Republicans cannot do it without Democratic support. And clearing it settles nothing about the text itself. The House already passed H.R. 3633 back in July 2025 by a 294 to 134 margin. More than a year later the Senate is still arguing over the CLARITY Act text: how to divide authority between the SEC and the CFTC, how to treat DeFi, whether stablecoin issuers can pay yield, and what conflict-of-interest language belongs in the final draft.
Democratic Senator Ruben Gallego has pushed for stronger ethics provisions. President Donald Trump has urged the chamber to pass what he called a fair version. Those are not small edits waiting on a signature. They are the reason a bill that cleared the House sixteen months ago is still stuck one procedural vote short of a floor debate.
Two wallets put roughly $1.5 million on failure
The bearish conviction is not abstract. A newly created Polymarket wallet, VelvetNova27, spent about $818,000 buying 1,052,874 No shares at an average near 77.7 cents. A second account, KatsuManager87, added close to $677,000 on the same side. Together the two whales staked around $1.5 million on the CLARITY Act failing before December 31.
The market they are betting into is liquid enough to take the read seriously. Volume on the contract sits near $11.6 million with 769 traders active. This is not a thin book that one wallet can shove around. When money that size lines up against passage and the price barely flinches, it usually means the crowd already agreed with them.
The number has been stuck in the low teens
Coinliva has tracked this contract since the spring, and the arc is the point. Earlier this year the market priced passage above 80 percent. By late summer the split had hardened into two very different questions, which is why the prediction market put the vote at 91 percent to happen and only 13 percent to become law. Back in April, the Wintermute trading desk was already the pessimist in the room, a call we covered when Hammond pegged the odds near 30 percent while the wider market still hoped for more.
Line those points up and the low-teens figure looks less like a fresh collapse and more like a level the market has defended for months. From above 80 percent down to the low teens, then a scheduled vote, then 14.5 percent. The event that should have injected optimism, an actual date on the Senate floor, did nothing to lift the read. Traders separated the choreography from the outcome a long time ago.
The pattern rhymes with the rest of Washington's crypto docket. The stablecoin framework was supposed to be the easy win, and even that ran late, as we noted when the rules due in July never arrived and the market kept growing without them. Deadlines in this Congress have a way of becoming suggestions.
What September 15 actually decides
If the cloture vote fails, the calendar turns hostile fast. Campaign season for the midterms ramps up in October, and lawmakers rarely spend the run-up to an election negotiating a technical financial bill. Passage before year-end would move from unlikely to close to shut. That is the scenario the No shares are pricing.
If cloture clears, the CLARITY Act still faces a floor fight over the same disputes that have blocked it all summer, then a path back through the House if the Senate amends the text. A yes on September 15 buys a debate, not a law. The market seems to know the difference, which is why even a firm date left the odds parked where they have sat since the spring.
The next real signal is the roll call itself. Watch whether 60 senators are willing to open debate, and watch whether the price on that Polymarket contract moves before the gavel or waits for the count. So far the money has been early, and it has been right.