Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) Pick polygram.ink (preferred broker) |
44% | 56% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
44% | 56% | 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 |
|---|---|
| ↑ 66,000 | 44% |
| ↓ 62,000 | 28% |
| ↑ 68,000 | 9% |
| ↓ 60,000 | 9% |
| ↑ 70,000 | 3% |
| ↑ 74,000 | 1% |
| ↑ 72,000 | 1% |
| ↓ 58,000 | 1% |
| ↓ 56,000 | 1% |
| ↓ 54,000 | 1% |
| ↓ 52,000 | 1% |
| ↑ 78,000 | 0% |
| ↑ 76,000 | 0% |
| ↓ 50,000 | 0% |
Market context
Bitcoin's price action during the week of 17–23 August 2026 will depend on macroeconomic data releases, Federal Reserve communications, and spot market positioning ahead of the late-summer rebalancing season. The settlement window closes on 24 August, capturing a five-day trading window that historically coincides with lower volatility and thinner order books as institutional traders reduce exposure before the final quarter.
The 0% implied probability reflects consensus that Bitcoin will not breach whatever price threshold this market has set. Historical precedent suggests that weekly price targets in crypto markets rarely command zero probability unless the threshold sits far outside the recent trading range. Bitcoin's volatility in 2025–2026 has moderated compared to earlier cycles, with weekly swings typically contained within 8–12% of spot price. If the target is positioned more than two standard deviations above or below the prevailing price in mid-August, the zero reading becomes defensible; if it sits within normal range, the probability assignment appears miscalibrated.
Traders should monitor US inflation data scheduled for mid-August and any unscheduled central bank communications that could trigger repricing. Spot exchange volumes tend to thin during this period, making large moves possible but less probable without exogenous shock. The convergence of options expiry cycles and institutional rebalancing windows in late August creates technical pressure points that can amplify intraday swings. Recent on-chain data from July 2026 will signal whether accumulation or distribution patterns favour directional conviction heading into the settlement window.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- 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.
- 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.
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