Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 54,000 | 99% |
| 56,000 | 99% |
| 58,000 | 99% |
| 60,000 | 95% |
| 62,000 | 82% |
| 64,000 | 48% |
| 66,000 | 15% |
| 68,000 | 2% |
| 70,000 | 1% |
| 72,000 | 0% |
| 74,000 | 0% |
Market context
Bitcoin’s noon ET Binance close on 4 August sits in a market where the crowd is already pricing **100% YES**, so the contract looks effectively assumed rather than genuinely disputed. On a cross-platform basis, that leaves little room for sportsbook-style disagreement: published forecast pages are far more mixed, with some models pointing to August levels in the mid-$60,000s to high-$60,000s, while broader institutional commentary ranges from a $65,000–$75,000 consolidation view to much higher year-end targets.[3][4][5][18]
Historical and comparable reads are therefore more useful than the headline probability. August is often treated by analysts as a choppier month for bitcoin, with one recent forecast piece describing a median seasonal loss near 8% and several August 2026 scenarios clustering around $61,000–$67,000.[1][8][9][10] By contrast, more bullish long-range forecasters still see 2026 as compatible with materially higher prices, which helps explain why a noon print above the contract threshold can be priced as near-certain even when the wider year-ahead debate remains open.[2][12][18]
The near-term catalysts are macro and flow-driven: traders will be watching Federal Reserve signalling, spot ETF demand, and whether congressional crypto legislation advances before the August recess, all of which have been cited as drivers of August volatility in recent analyst coverage.[8][18] The key dependency for settlement, though, is simpler than the broader narrative: Binance’s BTC/USDT 1-minute candle at 12:00 ET on 4 August, which can diverge from other exchanges or from a broader market snapshot if liquidity is thin or price moves sharply around the minute close.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.
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
- 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'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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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 … on August 4? on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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