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 settlement of this contract, with traders currently pricing a 4% chance that BTC reaches an undisclosed threshold between 25–31 May. On Polymarket, this conditional token trades against USDC on Polygon, meaning settlement hinges on verified price data at the close of that specific window. The tight probability reflects either a strike price set well above current spot or substantial conviction that volatility will remain contained during that fortnight.

Historical precedent suggests Bitcoin's weekly price swings rarely exceed 15–20% in low-volatility regimes, though May has historically been a softer month for crypto after spring rallies exhaust themselves. The 4% implied probability sits in line with tail-risk pricing: comparable out-of-the-money options on traditional assets price similarly when targeting moves beyond two standard deviations. If the strike is positioned 25% or more above May's opening price, the current odds become reasonable; if tighter, traders are essentially betting on a shock catalyst.

Catalysts to monitor include Federal Reserve communications in early May, which typically move risk assets, and any major regulatory announcements from the SEC or CFTC regarding spot Bitcoin ETF frameworks. Institutional positioning data released fortnightly through CME Commitments of Traders reports will signal whether large traders are building bullish bets ahead of the settlement window. Equally, on-chain metrics such as exchange inflows and whale accumulation patterns tracked by firms like Glassnode often precede significant price moves by days or weeks, making late April data particularly relevant for May positioning.

Methodology

This page reviews What price will Bitcoin hit May 25-31? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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, 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.