Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ 66,000 | 100% |
| ↑ 65,000 | 100% |
| ↑ 67,000 | 57% |
| ↑ 68,000 | 9% |
| ↓ 64,000 | 2% |
| ↑ 70,000 | 1% |
| ↑ 69,000 | 1% |
| ↓ 63,000 | 1% |
| ↑ 72,000 | 0% |
| ↑ 71,000 | 0% |
| ↓ 62,000 | 0% |
| ↓ 61,000 | 0% |
| ↓ 60,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
Market context
Bitcoin's price movement on 19 August 2026 remains subject to macroeconomic conditions, regulatory announcements, and broader cryptocurrency market sentiment in the months leading to that date. The 0% crowd probability reflects either extreme uncertainty about the specific price level being tested or consensus that the threshold lies outside plausible trading ranges given current volatility patterns. Settlement occurs on 20 August, creating a narrow window for price discovery.
Historical Bitcoin price action shows daily swings of 5–15% during periods of regulatory clarity or central bank policy shifts. The 2021–2022 bear market saw Bitcoin decline from $69,000 to $16,500 over eighteen months, whilst recovery phases have produced 40–60% rallies within single quarters. Comparable single-day moves typically cluster around 3–8%, though flash crashes and relief rallies occasionally exceed 10%. These precedents suggest that unless a major catalyst emerges—such as significant regulatory action, a major exchange failure, or coordinated central bank intervention—the market assigns low probability to extreme price excursions on any given date.
Traders monitoring this market should track scheduled Federal Reserve communications, any cryptocurrency regulatory announcements from the SEC or Treasury, and macroeconomic data releases scheduled for mid-August 2026. Geopolitical developments affecting risk appetite and traditional asset volatility will influence Bitcoin's trajectory. The current zero probability likely reflects the specificity of the date rather than fundamental uncertainty about Bitcoin's medium-term direction, making this market sensitive to late-stage catalyst announcements rather than gradual price drift.
Methodology
This page tracks What price will Bitcoin hit on August 19? 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 Election Predictions UK provide a 0%-fee route into the same order book.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
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.
- 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 Election Predictions UK 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 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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