Bitcoin price on June 21?

Platform comparison

Active sub-markets

Market context

Bitcoin is trading in the mid-$60,000s, which puts the contract’s 0% YES implied probability well below the live spot market and even further beneath broader price benchmarks. Kraken quotes BTC at about $63,862, MetaMask shows $63,959, and YCharts has Bitcoin at $64,240.23 for 21 June 2026, while Robinhood’s listed BTC price-range market clusters around the $64,100-$64,500 area[5][1][4][2]. That makes the current prediction-market price look notably more pessimistic than cross-platform crypto pricing, and it leaves the contract dependent on a relatively specific Binance 1-minute closing print at noon ET rather than on a broad end-of-day average.

The historical frame matters because Bitcoin has been volatile enough that short-dated range markets can move sharply on routine swings. SoFi notes that in early 2026 Bitcoin traded from roughly $60,074 in February to around $65,000-$73,000 in March, while Kraken says mining difficulty fell 10% on 18 June after a 12% hashrate decline[6][5]. Those figures suggest that a single 1-minute candle close can sit well away from the day’s wider trading range, even when the underlying spot market looks stable. Against that backdrop, a 0% YES line implies either an extreme expectation of a lower Binance print at the settlement minute or a mispricing relative to comparable market data.

For traders, the main catalysts are the usual intraday crypto drivers rather than a scheduled Bitcoin-specific event: spot-market moves on Binance, shifts in broader exchange pricing, and any liquidity changes around the noon ET window. The most relevant public signals available here are the current cross-market prices rather than a fresh macro headline, and the only concrete market-side development in the sourced data is Kraken’s note that Bitcoin mining difficulty fell after a hashrate drop on 18 June[5]. In practice, the contract’s payoff will depend less on the day’s average tone than on where BTC/USDT is printing during that single Binance minute.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Bitcoin price on June 21? 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 Best Prediction Markets — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Best Prediction Markets, 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, Best Prediction Markets 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.