Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
92% | 8% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
92% | 8% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ 64,000 | 92% |
| ↑ 66,000 | 38% |
| ↓ 60,000 | 17% |
| ↑ 68,000 | 10% |
| ↓ 58,000 | 5% |
| ↑ 70,000 | 4% |
| ↓ 56,000 | 3% |
| ↑ 74,000 | 1% |
| ↑ 72,000 | 1% |
| ↓ 54,000 | 1% |
| ↓ 52,000 | 1% |
| ↓ 50,000 | 1% |
| ↑ 76,000 | 0% |
| ↓ 48,000 | 0% |
Market context
Bitcoin will need to print one of the listed levels during 3–9 August, with settlement on 10 August, so traders are really pricing the week’s intraday highs rather than the month-end close. On Polymarket, the book shows a 0% crowd-implied chance for the market’s top outcome despite live trading on the listed ranges, while the current display is expressed as outcome probability rather than decimal odds; that makes it easier to compare with Kalshi’s fee-adjusted contracts, whereas Betfair and Smarkets typically show exchange-style odds and charge commission on winnings, which can make the effective price slightly different from the headline number.
Historical framing argues for caution around clean breakout assumptions. Several August 2026 forecasts still cluster Bitcoin in the low-to-mid $60,000s, with some models warning of seasonal weakness or a range bounded near $60,000–$68,000, while more optimistic scenarios leave room for a move towards the high $60,000s or above.[1][3][8][13] That is consistent with why a short-dated “hit” market can stay pinned low even when longer-horizon targets look constructive: one sharp wick can settle the contract, but sustained strength is usually needed to push the market beyond nearby resistance levels.
The main catalysts are macro and flow-driven. Traders will watch US policy signals, ETF inflows, and any late-summer legislative headlines, because recent commentary links Bitcoin’s near-term path to post-Fed positioning, renewed ETF demand, and the timing of the CLARITY Act before the August recess.[8][14] If spot momentum builds quickly, the next tests cited by analysts sit around $67,500–$70,000, whereas failure to hold support near $59,500–$60,000 keeps the lower range in play.[13][14] On a platform basis, that matters because Polymarket’s 24/7 crypto exposure and probability display can reprice faster than a traditional book, while Kalshi’s regulated access and exchange pricing may appeal more to US users who want a clearer all-in cost.
Methodology
This page compares What price will Bitcoin hit August 3-9? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
Trade What price will Bitcoin hit August 3-9? on Robinhood Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
Open live market →