What price will Bitcoin hit on May 31?

Platform comparison

Active sub-markets

Market context

Bitcoin's price trajectory through May 2026 will be shaped by macroeconomic conditions, Federal Reserve policy signals, and institutional adoption trends. The settlement window closes on 1 June 2026, meaning any price movement on 31 May will be the final data point for resolution. Historical volatility in Bitcoin—ranging from $16,000 to $69,000 within single calendar years—suggests that predicting a specific price level six months ahead carries substantial uncertainty. The 0% crowd probability reflects either extreme confidence in a particular outcome or insufficient liquidity in this specific price band; traders should verify which price threshold the market is actually testing.

Regulatory frameworks now materially affect Bitcoin's accessibility and trading volume. Germany's GlüStV (Glücksspielstaatsvertrag) classifies certain crypto derivatives as gambling products, restricting retail participation in some prediction markets. The US CFTC maintains jurisdiction over Bitcoin futures contracts, which influences spot-price discovery through arbitrage flows. For this market specifically, platforms offering no-KYC access up to $1,500 notional exposure create a bifurcated trader base: retail participants with limited position sizes and verified institutional traders. This segmentation may suppress liquidity at extreme price levels.

Key catalysts include Federal Reserve interest-rate decisions (scheduled through May 2026), major corporate treasury announcements, and any significant regulatory action from the SEC or CFTC regarding spot Bitcoin ETF products. Bitcoin's correlation with equity markets and technology stocks has strengthened since 2023, making S&P 500 performance a material leading indicator. Traders should monitor on-chain metrics—particularly exchange inflows and whale accumulation patterns—as these often precede price moves by weeks.

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

Where can I trade this market with the lowest fees?

On Polymarket KYC UK, 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.

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 KYC 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.