Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| ↑ 72,000 | 100% |
| ↑ 71,000 | 100% |
| ↑ 70,000 | 100% |
| ↑ 73,000 | 57% |
| ↓ 69,000 | 51% |
| ↑ 74,000 | 33% |
| ↑ 75,000 | 19% |
| ↑ 76,000 | 8% |
| ↓ 68,000 | 6% |
| ↑ 77,000 | 3% |
| ↓ 67,000 | 2% |
| ↓ 66,000 | 1% |
| ↓ 65,000 | 1% |
| ↓ 64,000 | 0% |
| ↓ 63,000 | 0% |
| ↓ 62,000 | 0% |
Market context
Bitcoin's price movement on 20 August 2026 remains subject to macroeconomic conditions, regulatory announcements, and broader cryptocurrency market sentiment that will prevail across the following eighteen months. The settlement window closes on 21 August 2026, capturing intraday volatility and closing prices across major exchanges. The 3% crowd probability suggests traders view a specific price threshold as unlikely under baseline conditions, though the exact target price underpinning this assessment determines whether the implied odds reflect genuine scarcity or reflect uncertainty about which price level the market has defined as YES.
Historical Bitcoin price movements show daily swings of 5–15% during periods of regulatory clarity and 10–20% during policy uncertainty or macroeconomic shocks. The 2023–2024 period saw Bitcoin respond sharply to US Federal Reserve interest-rate signals and spot exchange-traded fund approvals, with single-day moves exceeding 8% following major announcements. Comparable events—such as the January 2021 retail trading surge and the March 2020 pandemic liquidation cascade—demonstrate that concentrated catalysts can drive price discovery beyond consensus forecasts within hours.
Traders should monitor scheduled US monetary-policy decisions, any significant cryptocurrency regulation announcements from the SEC or Treasury, and macroeconomic data releases in the weeks preceding August 2026. Bitcoin's correlation with equity markets and risk sentiment remains material; equity-market volatility or credit-market stress could amplify directional moves. Exchange-traded fund flows and institutional positioning data, tracked by firms including CryptoQuant and Glassnode, will signal whether large holders are accumulating or distributing ahead of the settlement date.
Methodology
This page tracks What price will Bitcoin hit on August 20? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
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
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- 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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