What price will Bitcoin hit May 25-31?

Platform comparison

Active sub-markets

Market context

Bitcoin's price action during the final week of May 2026 will determine whether the asset reaches a specific threshold within that five-day window. The settlement hinges on spot price data from major exchanges during May 25–31, with the crowd currently assigning just 4% probability to a YES outcome. This suggests either a substantial price move is required or market participants view the timeframe as too narrow for the necessary volatility.

Historical precedent shows Bitcoin's weekly price ranges have compressed during low-volatility regimes and expanded sharply around macroeconomic announcements or regulatory shifts. In comparable periods—such as May 2021 or May 2023—single-week swings of 15–25% occurred when external catalysts aligned. The current 4% probability reflects either a high strike price relative to recent trading ranges or genuine consensus that late May carries limited catalyst density. Traders evaluating this market programmatically should cross-reference historical volatility percentiles and compare the implied move against realised volatility over rolling 30-day windows.

Key dependencies for late May include US economic data releases (inflation prints, employment figures), any Federal Reserve communications, and institutional positioning ahead of month-end rebalancing. Conditional order logic would benefit from monitoring Bitcoin's correlation with equities and Treasury yields, as risk-off sentiment can trigger outsized moves. Automated systems should flag any announcements from major exchanges regarding custody changes, regulatory filings, or spot ETF flows, which have historically moved price discovery in concentrated timeframes. The settlement window extending to June 1 provides a small buffer, but execution timing around May 31 close will be critical for traders using bots or copy-trading strategies.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.