What price will Bitcoin hit on May 31?

Platform comparison

Active sub-markets

Market context

Bitcoin's price action on 31 May 2026 will be determined by spot market settlement across major exchanges. The current 0% crowd probability reflects either extreme confidence in a specific price band or insufficient liquidity at the extremes of the distribution. For traders building conditional orders or bot strategies, this market functions as a volatility hedge: setting entry triggers tied to macroeconomic releases or Federal Reserve communications in the weeks preceding settlement would allow automated execution if tail-risk scenarios emerge.

Historical precedent suggests Bitcoin's intra-month price swings rarely exceed 40–50% from month-start levels absent major regulatory shocks or systemic events. The May 2021 crash (from $58k to $30k) and the March 2020 liquidation cascade ($6.5k trough) remain outliers; typical May volatility hovers around 15–25%. Current market structure—with spot ETFs now integrated into traditional portfolio rebalancing—has dampened extreme single-day moves, though correlation with equity indices has tightened since 2023.

Traders monitoring this settlement should track scheduled events: US inflation data (typically mid-month), any ECB or Bank of England policy signals, and Bitcoin's mining difficulty adjustments, which occur every two weeks and can signal network health shifts. The Commodity Futures Trading Commission's regulatory calendar and any major exchange listing announcements would move implied probabilities sharply. Copy-trading platforms and conditional order systems should incorporate these dates as trigger points; the settlement window's June 2026 close means real-time price feeds from Coinbase, Kraken, and Bitstamp will determine final settlement, making exchange-API integration essential for precision execution.

Methodology

We track What price will Bitcoin hit on May 31? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket App UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket App UK 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.