Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
43% | 57% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
43% | 57% | 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 | 43% |
| ↓ 62,000 | 28% |
| ↓ 60,000 | 9% |
| ↑ 68,000 | 8% |
| ↑ 70,000 | 2% |
| ↑ 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 trajectory during the week of 17–23 August 2026 will depend on macroeconomic signals, regulatory announcements, and broader risk-asset sentiment in the fortnight leading up to that window. The current 0% implied probability suggests the crowd expects Bitcoin to remain outside a specific price band during those seven days, though the exact threshold is not specified in the market terms. Historical volatility in Bitcoin during summer months has ranged from ±5% to ±15% weekly swings, depending on Federal Reserve communications and geopolitical developments affecting capital flows.
Traders monitoring this market should watch for US inflation data releases in early August, which typically influence risk appetite across cryptocurrencies. The Federal Reserve's policy stance—particularly any signals about interest-rate trajectories—has historically moved Bitcoin by 3–8% within 48 hours of announcement. Additionally, any major regulatory developments from the SEC or international bodies regarding cryptocurrency custody or trading rules could trigger sharp repricing. Recent precedent from summer 2024 showed Bitcoin responding sharply to employment reports and central-bank communications, with single-week moves of 10% not uncommon when macro uncertainty peaks.
The settlement window closing on 24 August means traders have limited time to assess whether Bitcoin's actual price action during that specific week aligns with the market's current bearish positioning. Given the 0% probability, the crowd is effectively pricing in either extreme stability or confidence that Bitcoin will avoid a particular price level entirely during that period.
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.
- 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.
- 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.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- 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.
Trade What price will Bitcoin hit August 17-23? on Election Predictions UK
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