Clarity Act Senate Vote Odds Rise to 31% After Lummis Bill Update

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Clarity Act Senate Chances Hit 31% as Lummis Bill Update Sparks Fresh Momentum

The prediction market probability that more than 55 senators will vote yes on the Clarity Act now sits at 31%, up 8 percentage points from 23% three days ago, after Senator Cynthia Lummis released updated bill text aimed at broadening bipartisan appeal. No Senate floor vote has been officially scheduled.

The contract trades on both Kalshi (28%) and Polymarket (34%), with the 6-point platform spread suggesting active but not yet consensus-level conviction. The period low was 20%, making the current price an 11-point swing off the bottom.

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Live prices, venue by venue

Compare the latest YES price at each venue. Check market rules, liquidity, and fees before trading.

Above 55

Consensus YES price across 2 venues

7%average

PolymarketBest YES price7¢Kalshi11¢

Above 58

Consensus YES price across 2 venues

10%average

PolymarketBest YES price9¢Kalshi11¢

Above 62

Consensus YES price across 2 venues

8%average

PolymarketBest YES price8.2¢Kalshi9¢

Above 50

Consensus YES price across 2 venues

6%average

PolymarketBest YES price8¢Kalshi9¢

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The raw number is notable. But the more important question is what is actually driving it, and whether the momentum reflects real vote-counting or market sentiment getting ahead of the legislative calendar.

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What the Clarity Act Does, and Why 55 Votes Is the Real Test

The Clarity Act would establish which digital assets fall under SEC jurisdiction and which belong to the CFTC, ending years of regulatory ambiguity that has frozen institutional participation in crypto markets. The bill also creates disclosure requirements for token issuers and sets standards for custodial operations. For the crypto industry, it is the single most consequential piece of market-structure legislation under consideration.

Why does the 55-vote threshold matter more than a simple majority? The Senate currently has 53 Republicans. Even if every single one votes yes, 55 requires at least 2 Democratic crossover votes. That makes this contract a direct read on bipartisan deal-making, not just GOP unity. And 55 is optimistic: if even a handful of Republicans defect over concerns about deregulation or industry ties, the crossover requirement grows to 5, 6, or more Democrats. The filibuster question adds another layer. If the bill faces a cloture vote, 60 senators would need to agree to proceed, a bar far above the 55 this market tracks.

The updated bill text from Lummis appears designed to address exactly these dynamics. Coverage from The Block has highlighted September 15 as a potential bellwether for the bill's trajectory, with industry leaders publicly pushing for Senate action before the end of the year. The resolution date on this contract is January 1, 2027, giving the legislative process the full remainder of the session to play out.

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Are There Polls for the Clarity Act Senate Vote Above 55?

No public polling organizations conduct head-count surveys on Senate bill passage thresholds. Unlike presidential or gubernatorial races, where multiple pollsters release weekly snapshots, legislative vote counts are tracked informally through whip counts and journalist source-checking, neither of which produces a public, continuously updated number.

That absence is precisely what makes the prediction market data valuable here. The 31% implied probability for Above 55 is the only live, crowd-aggregated estimate of whether this bill clears the bipartisan threshold. There is no competing data source to discount it, no polling average to compare it against. When the contract moved 8 points in three days, there was no rival signal to explain the move away. The market is doing double duty: pricing political probability and serving as the primary public indicator of legislative momentum.

This also means the 8-point move carries more informational weight than an equivalent shift in a presidential election contract. In electoral markets, a price move can be checked against fresh polling. Here, the move itself is the signal. Traders are reacting to something: the updated bill text, whip-count rumors, or shifting expectations about the Senate calendar. The market cannot tell you which. But it is telling you that the collective estimate of bipartisan passage has increased materially.

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The Case Against Above 55: Why 31% Might Be Too High

The strongest bear case starts with arithmetic. No public Democratic senator has committed to a yes vote on the Clarity Act. Senate Democrats have historically been skeptical of crypto-friendly legislation, with senior members like Sherrod Brown (who lost his seat in 2024) and Elizabeth Warren actively opposing industry deregulation. The new Democratic caucus includes freshmen who may be more open to digital-asset frameworks, but "more open" is not the same as "committed yes."

Then there is the Republican side. Not every Republican senator views crypto regulation favorably. Senators from states with large traditional-finance constituencies may see the bill as creating competitive advantages for an industry they distrust. A 53-seat majority does not guarantee 53 yes votes. If 3 Republicans defect, the bill needs 5 Democratic crossovers to clear 55. That scenario has essentially no recent precedent in crypto legislation.

Committee scheduling adds another obstacle. The bill has not been placed on the Senate calendar for a floor vote. Updated text is a prerequisite for action, not a guarantee of it. The Senate's remaining legislative calendar in 2026 is crowded with appropriations, judicial nominations, and midterm-adjacent political positioning. Crypto market structure may simply not command enough floor time before the January 1 resolution date.

At 31%, the market is saying there is roughly a one-in-three chance all of these obstacles get cleared. That feels generous given the lack of confirmed Democratic support. But the 8-point move suggests someone, or some group of traders, is pricing in information the public does not yet have. Whether that information is real or speculative will determine whether this contract drifts back toward 20% or pushes toward 40%.

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What Traders Are Watching Next

The next concrete catalyst is the September 15 date that industry observers have flagged as a bellwether. If a Senate committee marks up the bill or schedules a floor vote before then, the Above 55 contract will likely reprice higher. If mid-September passes without action, expect a pullback.

Traders tracking the full range of outcomes on How many Senators will vote for the Clarity Act should note that the Above 55 contract is just one bracket in the market. Other thresholds price different levels of Senate support, and the relative movement across brackets can reveal whether the market expects a narrow majority or a broader bipartisan coalition.

For now, 31% is a bet that Lummis can do what few crypto bills have managed: pull enough Democrats across the aisle to turn a Republican priority into a bipartisan accomplishment. The updated bill text is the opening argument. The Senate calendar, and the whip count, will deliver the verdict.