Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| ↑ 65,000 | 100% |
| ↑ 66,000 | 9% |
| ↓ 64,000 | 9% |
| ↑ 68,000 | 1% |
| ↑ 67,000 | 1% |
| ↓ 63,000 | 1% |
| ↓ 62,000 | 1% |
| ↓ 61,000 | 1% |
| ↑ 72,000 | 0% |
| ↑ 71,000 | 0% |
| ↑ 70,000 | 0% |
| ↑ 69,000 | 0% |
| ↓ 60,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
Market context
Bitcoin is trading around the mid-60,000s, so this market is mainly a question of whether price tags a specific threshold before the session closes rather than where it ends the day. On Kalshi, the contract is typically quoted as a straight market price that maps cleanly to an implied probability, while on Polymarket, Betfair or Smarkets traders may need to translate decimal odds or exchange prices after fees, so the same view can look different once commission and spread are included. Robinhood’s comparable BTC event for 7 August was quoted with 99¢ for “$64,100 or above” and 8¢ for “$64,300 or above”, which shows how sharply the distribution can step around nearby levels rather than move smoothly.[4]
That makes the current 0% YES reading hard to interpret as a statement about Bitcoin’s broader trend, because many public forecasts still cluster around a wide August range rather than a single point. Several recent outlooks place August trading roughly between $60,000 and $68,000, with resistance near $68,000 and downside support around $60,000 to $62,000.[1][9][11][13] That kind of framing matters on a hit-price market: if the trigger is a level above spot, the contract can stay near zero until a late breakout, while a platform with lower fees or better KYC access can attract different retail flow and shift the quote faster than a smaller book.
Catalysts to watch are the US inflation print on 12 August, any shift in September Fed-rate pricing, and Bitcoin ETF flow data, all of which have been cited as the main drivers of August positioning.[9][11][13] A recent forecast piece also pointed to post-Fed repositioning, seasonal weakness and ETF inflows as the key short-term dependencies, with traders watching whether BTC can hold the $60,000 to $62,000 band or recover towards the upper $60,000s.[11]
Methodology
We read What price will Bitcoin hit on August 7? 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
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
- 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.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- 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. Kalshi 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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