Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
37% | 63% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
37% | 63% | 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 |
|---|---|
| ↑ 66,000 | 37% |
| ↓ 62,000 | 31% |
| ↓ 60,000 | 9% |
| ↑ 68,000 | 6% |
| ↓ 58,000 | 3% |
| ↑ 70,000 | 2% |
| ↑ 74,000 | 1% |
| ↑ 72,000 | 1% |
| ↓ 56,000 | 1% |
| ↓ 52,000 | 1% |
| ↑ 78,000 | 0% |
| ↑ 76,000 | 0% |
| ↓ 54,000 | 0% |
| ↓ 50,000 | 0% |
Market context
Bitcoin's price trajectory during the week of 17–23 August 2026 will depend on macroeconomic announcements, Federal Reserve communications, and broader risk-asset sentiment in the final weeks of summer. The settlement window captures a specific seven-day period nearly two years forward, making it sensitive to both scheduled economic data releases and unexpected geopolitical or monetary-policy shifts that could move cryptocurrency valuations sharply. The 0% crowd probability reflects the extreme difficulty of pinpointing Bitcoin's price within a narrow band across a distant future date; such precision markets typically attract only traders with high conviction on specific catalysts or those hedging against tail-risk scenarios.
Historical precedent suggests that Bitcoin price-prediction markets with multi-year horizons rarely sustain meaningful probability mass unless tied to identifiable regulatory announcements, institutional adoption milestones, or macroeconomic policy decisions. The absence of scheduled congressional hearings, Federal Reserve rate decisions, or major cryptocurrency legislation currently flagged for that week explains the flat probability. Traders monitoring this market should track announcements from the US Treasury, any late-summer central bank communications, and spot-trading volume trends on major exchanges as August 2026 approaches.
The market's current pricing reflects genuine uncertainty rather than consensus bearishness. Without a clear catalyst anchoring expectations, the crowd has effectively treated the outcome as too diffuse to forecast, leaving room for informed traders to identify edge if specific policy or market events materialise in the months preceding the settlement window.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for What price will Bitcoin hit August 17-23? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
UK Frequently Asked Questions
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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