Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ 79,000 | 100% |
| ↑ 78,000 | 100% |
| ↑ 77,000 | 100% |
| ↑ 76,000 | 100% |
| ↑ 75,000 | 100% |
| ↑ 80,000 | 42% |
| ↑ 81,000 | 22% |
| ↑ 82,000 | 13% |
| ↓ 74,000 | 13% |
| ↓ 73,000 | 7% |
| ↓ 72,000 | 2% |
| ↓ 71,000 | 1% |
| ↓ 70,000 | 1% |
| ↓ 69,000 | 1% |
| ↓ 68,000 | 1% |
| ↓ 67,000 | 0% |
Market context
Bitcoin's price action on 21 August 2026 will depend on macroeconomic conditions, regulatory developments, and spot or derivatives market dynamics in the months leading to that date. The 13% implied probability suggests the crowd assigns low odds to a specific price threshold being breached on that single day—a reflection of Bitcoin's historical volatility and the difficulty of pinpointing exact price levels across narrow windows. Whether the threshold sits at $100,000, $150,000, or another figure will determine how realistic the outcome appears relative to current spot prices and forward expectations.
Historical precedent shows Bitcoin rarely moves in straight lines toward round-number targets. In 2021, Bitcoin oscillated around $60,000–$69,000 for months before breaking higher; in 2017, rallies to new highs often took weeks of consolidation. The current 13% probability reflects reasonable scepticism about hitting a precise level on a predetermined date, though it also suggests the market has not priced in tail-risk scenarios—a sharp rally driven by institutional adoption, geopolitical safe-haven flows, or a major regulatory green light.
Traders should monitor US inflation data, Federal Reserve policy signals, and any legislative movement on cryptocurrency frameworks through mid-2026. Spot exchange inflows, options expiry clustering, and announcements from major asset managers regarding Bitcoin allocation will shape volatility. Bitcoin's correlation with equity markets and the US dollar will also matter; a risk-on environment or dollar weakness could accelerate upside moves, whilst recession fears or rate hikes would dampen them. The settlement window's precision—ending 22 August at 04:00 UTC—means intraday volatility on the 21st itself will be critical.
Methodology
This page reviews What price will Bitcoin hit on August 21? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win 2026, which mirrors the Polymarket order book at 0% fees.
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
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- 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?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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