Clarity Act Got 49 Senate Votes, One Short of 50
The Senate voted 49-50 against the Clarity Act on Sept. 15. Three Republican defections joined unified Democratic opposition to sink the bill one vote short of a basic majority.
Bottom line
Traders price near-certain failure after the bill missed 50 votes by one, with the Above 50 market now at 10% through the Jan. 1, 2027 resolution date.
- Market average
- 6% YES
- Best listed price
- 8¢ · Polymarket
Clarity Act Gets 49 Senate Votes, One Short of the Threshold That Just Crashed the Market
The Clarity Act failed a Senate floor vote 49-50 on September 15, 2026, dropping the "Above 50" outcome in the How many Senators will vote for the Clarity Act? market from 46% to 10% in three days. The bill, the most ambitious cryptocurrency market structure legislation to reach a Senate floor vote, fell one vote short of a simple majority before it even faced the 60-vote cloture hurdle. Three Republican senators, Susan Collins, Josh Hawley, and Jerry Moran, voted against it alongside unified Democratic opposition rooted in concerns over President Trump's crypto investments and what critics called insufficient ethics enforcement.
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Both Kalshi and Polymarket now price the contract at 10%, with the market touching a period low of 6% before recovering slightly. The bill did not just miss the 60-vote procedural threshold. It missed 50. That distinction matters because traders who bought "Above 50" at 46% were betting that a basic Senate majority supported the legislation. They were wrong by exactly one vote.
The pre-vote 46% implied probability now looks miscalibrated. Markets treated this as nearly a coin flip. The actual result delivered a clean loss on the most generous possible threshold.
Why Were Prediction Markets Giving 'Above 50 Senators' a 46% Chance on the Clarity Act?
The 46% price was not irrational on its face. Before the vote, the Clarity Act had accumulated more than 100 Democratic-requested amendments in its final draft, released on September 13, according to CoinMarketCap's reporting. The bill's lead Republican negotiator, Sen. Cynthia Lummis, incorporated provisions allowing state attorneys general to sue crypto exchanges and requiring public officials to divest crypto holdings or place them in blind trusts. On September 14, Trump reportedly accepted a key ethics restriction tied to the bill.
Those concessions generated optimism. Markets read them as signals that bipartisan support was building toward at least a majority. A 46% price on "Above 50" effectively said: there is roughly a 54% chance fewer than 50 senators vote yes, and a 46% chance the bill clears the basic majority line. Given the visible negotiation momentum, that pricing reflected genuine uncertainty rather than blind optimism.
Where the market miscalculated was in underweighting the Democratic bloc's cohesion. Senate Republicans rejected the Democratic counterproposal on the morning of September 15, hours before the vote. Sen. Elizabeth Warren argued the enforcement structure contained a loophole because it depended on the Justice Department choosing to act. That objection proved decisive. No Democratic senator crossed party lines.
The move from 46% to 10% in three days is the kind of repricing that happens when a binary legislative event resolves against the market's central scenario. Markets priced uncertainty. The vote delivered certainty.
Are There Polls for 'Above 50 Senators' Voting for the Clarity Act?
No traditional polling measures individual Senate votes on specific legislation the way electoral polls track candidates. There are no approval ratings or favorability surveys for the Clarity Act itself. Whip counts from advocacy organizations and legislative reporters serve as the closest analog, but these are informal, often incomplete, and rarely published with the same frequency or methodology as candidate polls.
This gap is precisely why prediction markets matter for legislative outcomes. The 46% pre-vote price on "Above 50" was, for practical purposes, the most granular public signal available about where Senate support actually stood. No competing data source offered a more specific or continuously updated estimate.
Now at 10%, the market is saying something equally specific: there is very little remaining path for the Clarity Act to attract more than 50 Senate votes before the contract's January 1, 2027 resolution date. That 10% residual probability accounts for the possibility that the bill could be revived in a new form, perhaps with stronger ethics provisions that win over Democratic holdouts or with concessions that bring Collins, Hawley, and Moran back on board.
The Case for 'Above 50' at 10%: What Would Have to Change
The strongest argument against the current 10% price being too low rests on two factors. First, the bill missed by one vote, not ten. A single senator switching sides would have cleared the "Above 50" threshold. Second, the resolution date is January 1, 2027, leaving roughly three and a half months for potential revisions and a new vote.
Legislative revivals are not unprecedented. The original GENIUS Act stablecoin bill faced a similar procedural defeat before being renegotiated and eventually passing in 2025. If proponents of the Clarity Act can restructure the ethics enforcement provisions, specifically by addressing Warren's objection about Justice Department discretion, the bill's math could change.
But those are substantial "ifs." The September 15 vote revealed that bipartisan support was thinner than market participants believed. Republicans rejected the Democratic counteroffer outright, and Lummis's spokesperson called the Democratic position "identical" to their opening stance from weeks earlier. That negotiating posture does not suggest rapid convergence.
At 10%, the market is pricing the Clarity Act as a long shot but not dead. Given that Congress faces a compressed legislative calendar heading into year-end, with appropriations fights and other priorities competing for floor time, 10% may actually be generous.
The core lesson from this repricing is not that prediction markets failed. It is that a 46% probability means the other outcome happens more often than not. The Clarity Act falling one vote short was within the range the market priced. The move to 10% simply reflects the new information that the bill's support base, when tested, came up short.
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The story so far: How many Senators will vote for the Clarity Act?
8 updates · Aug 31 – Sep 16
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