Bitcoin price on June 20?

Platform comparison

Active sub-markets

Market context

Bitcoin needs to be at a specific Binance **1-minute BTC/USDT close** at **12:00 ET** on the settlement date, so the key issue is not the day’s high or low but the exact candle close captured on Binance. That structure makes the market more granular than a simple daily price bet: small late-morning swings, exchange-specific liquidity, and rounding to the stated brackets can all matter, which is why these contracts often diverge from broader “Bitcoin up or down” views. Binance’s live BTC price was around the mid-**$64,000s** on 20 June, with one Binance market-data post showing BTC above **64,000 USDT** during the day, and a separate price page listing BTC at **$64,195.59**[5][8].

For comparison, the nearest public Polymarket analogue was trading in the **$62,000–$66,000** zone for the next-day June 21 contract, which indicates the crowd was still assigning most weight to a mid-range finish rather than an extreme move[4]. That matters for platform comparison: Polymarket quotes direct **implied probabilities**, while Kalshi and similar venues typically present exchange-style prices; Betfair and Smarkets instead show odds with commission, so the same Bitcoin view can look slightly different once fees and market-maker spreads are included. On this kind of narrow Binance close, those differences are often less about opinion and more about how each venue prices micro-moves, access, and settlement rules.

The main catalysts are the same ones that can move Bitcoin into or out of a bracket before the noon ET candle closes: macro data, ETF flow headlines, regulatory announcements, and any Binance-specific disruption to spot liquidity. Because the contract settles from Binance’s own candle data, traders also watch for exchange maintenance, latency, or unusual spread widening near the fix time; Binance’s public Bitcoin page was still showing a strong market around the contract window[8]. On platform access, Polymarket is on-chain and crypto-native, whereas Kalshi, Betfair, and Smarkets rely on fiat-style onboarding and KYC, so availability and frictions can differ even when the underlying view is the same.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Bitcoin price on June 20? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Kalshi Alternative UK routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Where can I trade this market with the lowest fees?

On Kalshi Alternative 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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Kalshi Alternative UK?

Zero. Kalshi Alternative UK 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, Kalshi Alternative UK triggers a quick verification flow that finishes in minutes.