Clarity Act (H.R.3633) signed into law in 2026?

Platform comparison

Market context

The Digital Asset Market Clarity Act (H.R.3633) seeks to establish regulatory frameworks for cryptocurrency and digital assets under U.S. federal law. Polymarket currently prices the contract at 28% YES, implying traders assess a roughly one-in-four chance the bill becomes law by year-end 2026. On-chain, the conditional token pair trades in USDC on Polygon; a YES resolution would settle the winning side at 1.00 USDC per share, with losers receiving zero.

Comparable crypto legislation offers mixed signals for predicting H.R.3633's path. The FIT21 bill (Financial Innovation and Technology for the 21st Century Act) passed the House in May 2024 but stalled in the Senate, illustrating how bipartisan support in one chamber does not guarantee passage. Conversely, the Commodity Futures Modernization Act of 2000 and the Dodd-Frank Act both navigated both chambers despite complexity, though neither faced the current partisan fragmentation. The 28% probability reflects scepticism that a comprehensive digital asset bill clears both chambers within the timeframe, particularly given competing legislative priorities and ongoing regulatory turf wars between the SEC, CFTC, and banking committees.

Key catalysts include House floor scheduling decisions in early 2026, Senate Banking Committee hearings, and any major cryptocurrency market events that shift political appetite for regulation. The bill's sponsor, Rep. Patrick McHenry, chairs the House Financial Services Committee, providing procedural leverage, but Senate passage remains the binding constraint. Traders should monitor Federal Reserve statements on digital assets and any enforcement actions by the SEC that could either accelerate or derail legislative momentum heading into 2026.

Methodology

We track Clarity Act (H.R.3633) signed into law in 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

UK Frequently Asked Questions

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.