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Bitcoin price on May 31?

How the on-chain market is pricing "Bitcoin price on May 31?" right now, plus comparison with Kalshi, Betfair and Manifold.

0% YES 100% NO Volume: $195K Liquidity: $278K Closes: 31 May 2026
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Bitcoin price on May 31?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
BTC Prediction Pick
polygram.ink
0% 100% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on BTC Prediction →
Polymarket
polymarket.com
0% 100% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on BTC Prediction →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on BTC Prediction →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on BTC Prediction →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on BTC Prediction →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on BTC Prediction.

Active sub-markets

<68,0000% YES100% NO
68,000-70,0000% YES100% NO
70,000-72,0001% YES99% NO
72,000-74,00033% YES68% NO
82,000-84,0000% YES100% NO
84,000-86,0000% YES100% NO

Market context

Market consensus: 0% chance of bitcoin price on may 31?. Prediction markets aggregate real capital to produce this probability signal. This market will resolve according to the final "Close" price of the Binance 1 minute candle for BTC/USDT 12:00 in the ET timezone (noon) on the date specified in the title. Otherw…

Methodology

This page reads Bitcoin price on May 31? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Is this market available outside the US?
BTC Prediction 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, BTC Prediction 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.
and

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Live order book, 0% fees, USDC settlement in seconds.

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Related Topics

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