Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
99% | 1% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
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 Kalshi UK.
Active sub-markets
Market context
This market hinges on Bitcoin's price at precisely 12:00 noon ET on 4 June 2026, measured against a specific threshold on Binance's BTC/USDT pair using the 1-minute candle close. The 99% implied probability reflects confidence that Bitcoin will trade above the specified level at that exact moment, though the settlement mechanism—tied to a single minute's closing price rather than daily opens or highs—introduces execution risk absent from broader price forecasts. Polymarket's pricing of this contract today embeds assumptions about Bitcoin's trajectory across eighteen months, volatility clustering around that date, and the reliability of Binance's data feed.
Historical precedent suggests that single-minute price targets for major assets rarely fail when set conservatively relative to medium-term trends. Bitcoin's volatility, whilst substantial on intraday timeframes, has consistently allowed for predictable price floors when settlement windows extend beyond twelve months. The current 99% probability aligns with how traders price binary contracts on established assets where the underlying threshold sits comfortably within plausible trading ranges. Comparable Polymarket contracts on equity indices and commodities have shown similar conviction levels when settlement dates lie eighteen months forward.
Traders monitoring this position should track macroeconomic calendar events—particularly Federal Reserve policy announcements and inflation data releases—scheduled between now and June 2026, as these historically drive sustained Bitcoin repricing. Regulatory developments affecting spot Bitcoin ETFs or custody standards could shift volatility expectations. The Binance platform's operational status on the settlement date itself represents a technical dependency; exchange outages or trading halts, whilst rare, would affect resolution mechanics directly.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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 Kalshi 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.
- What does it cost to trade on Kalshi UK?
- Zero. Kalshi 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.
- 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.
Trade Bitcoin above 2026 on June 4? on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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