
Coinbase CEO Brian Armstrong said he expects the Digital Asset Market CLARITY Act to clear a Senate cloture vote with more than 60 votes in mid-September. Kalshi, however, puts the chance of the bill getting more than 60 votes at 22%, highlighting the gap between Armstrong’s optimism and prediction-market pricing.
Most experts had viewed the CLARITY Act as facing an uphill path after the Senate did not vote on the crypto legislation before its August recess. After pressure from President Donald Trump, a cloture vote is set for September 15, the day after senators return from the recess.
Cloture would not formally pass the bill. It would end the debate and a filibuster, paving the way for a formal vote. Cloture requires 60 votes, the same number needed to ultimately pass the CLARITY Act, making the September 15 vote a strong indication of where the bill stands.
Armstrong has pointed to the scheduled vote as a reason for his optimism. He said Senate Majority Leader John Thune would not have scheduled the vote if he did not think it would pass. He added that both sides had received roughly 90% of what they wanted in the bill.
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The Math Behind Coinbase Armstrong’s CLARITY Act Optimism
Republicans hold 53 Senate seats, meaning at least seven Democrats would need to support the bill to reach 60 votes. That is the arithmetic behind Armstrong’s forecast and the threshold that Kalshi traders are pricing more cautiously.
Democrats have been reluctant to support the bill, calling for additional ethics provisions governing how much politicians can invest in crypto entities, particularly after Trump reported substantial crypto profits last year.

Banking groups have also raised concerns that the stablecoin provisions do not go far enough to protect the banking industry. The bill would not allow idle stablecoins to earn yield, though stablecoins could offer rewards for certain activities, such as transactions.
The bill would establish a broader regulatory framework for crypto and address questions of regulatory jurisdiction. It would give the CFTC exclusive jurisdiction over spot markets for digital commodities, while both the CFTC and SEC have at times claimed jurisdiction over certain crypto markets.
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What September 15 Does and Doesn’t Decide
If cloture clears with 60 or more votes, it would end the debate and pave the way for a later formal vote. It would not itself constitute final passage of the CLARITY Act.
If cloture fails, the calendar leaves limited time before the Senate breaks again in early October for the midterm elections. That would leave the bill’s path less certain, and helps explain why the 60-vote threshold remains central to the debate over its prospects.

Kalshi traders remain far less confident than Armstrong, pricing just a 22% chance that the CLARITY Act will secure more than 60 Senate votes. This gap makes the September 15 cloture vote particularly important, as the Coinbase CEO’s forecast would require at least seven Democrats to break ranks and support the CLARITY Act bill.
If the vote reaches 60, it would give the crypto industry a significant signal that the legislation has enough momentum to move toward final passage.
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