Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↓ 63,000 | 100% |
| ↑ 64,000 | 63% |
| ↓ 62,000 | 3% |
| ↑ 65,000 | 2% |
| ↑ 71,000 | 0% |
| ↑ 70,000 | 0% |
| ↑ 69,000 | 0% |
| ↑ 68,000 | 0% |
| ↑ 67,000 | 0% |
| ↑ 66,000 | 0% |
| ↓ 61,000 | 0% |
| ↓ 60,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
| ↓ 56,000 | 0% |
Market context
Bitcoin is being watched as a single-day price print, but different platforms frame that print differently: Polymarket-style markets usually show a direct **implied probability**, while bookmaker-style venues such as Betfair and Smarkets quote **decimal odds** that must be converted back into a probability and then adjusted for commission or margin. That matters on a market like this because a 0% crowd-implied chance on one venue can still coexist with a non-zero price range elsewhere if the resolution rule, timestamp, or reference exchange differs; Robinhood’s BTC event, for example, resolves on a specific 8am EDT snapshot rather than an intraday high. [8][10]
Recent comparison cases suggest traders are still pricing August Bitcoin as a volatile, range-bound month rather than a clean breakout. Yahoo-linked August commentary pointed to a bearish technical structure with key support around $60,965 and resistance near $82,931, while other 2026 forecasts cluster much lower, with one range centred around $64,800-$67,500 and another around $58,800 at month-end. Polymarket’s own August “what price will Bitcoin hit” cluster has shown live thresholds around 60,000-67,500 getting the bulk of attention, which is consistent with the market treating round-number bands as the main decision points rather than exact highs. [1][5][7][9][18]
For the final hours of the window, traders should watch spot ETF flow headlines, macro calendar risk, and any sharp move in dollar liquidity or Treasury yields, because those are the usual catalysts that can push BTC through a strike level or leave it pinned below one. August also tends to be a thinner liquidity month, so platform mechanics matter: Polymarket is typically easier to read as raw crowd probability, while exchange books may look “cheaper” or “more expensive” after fees, and access can differ by jurisdiction and KYC requirements. In practice, that means the same Bitcoin level can trade very differently across platforms even when the underlying catalyst is identical.
Methodology
We read What price will Bitcoin hit on August 2? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
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.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative 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.
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