Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| 64,000-66,000 | 99% |
| 62,000-64,000 | 1% |
| 66,000-68,000 | 1% |
| <54,000 | 0% |
| 54,000-56,000 | 0% |
| 56,000-58,000 | 0% |
| 58,000-60,000 | 0% |
| 60,000-62,000 | 0% |
| 68,000-70,000 | 0% |
| 70,000-72,000 | 0% |
| >72,000 | 0% |
Market context
Bitcoin’s noon ET Binance 1-minute close on 8 August will be set by a single intraday print, so the market is really about where spot BTC is trading around that moment rather than where it ends the day. With crowd-implied probability at 0% YES, the venue mix matters: Polymarket usually frames outcomes as direct yes/no probabilities, while Kalshi and Betfair-style books translate the same view into prices or decimal odds, and Smarkets typically shows an exchange price net of commission, so quoted levels are not directly comparable without adjusting for fees and format.
The recent backdrop is not especially detached from the likely settlement zone. Bitcoin’s latest daily closes in the low-to-mid-$60,000s put the reference area well below the widely watched $65,000 threshold, with StatMuse showing an 8 August 2026 daily close of $64,929.01 and OpenBitcoin putting 7 August at $64,878 after a month that rose 3.3% overall.[1][2] CoinDesk and Fortune both had BTC in roughly the $64,800-$64,900 area on 7 August, which suggests the market has been consolidating rather than trending sharply into the event window.[3][12]
For traders comparing platforms, the main catalysts are not Bitcoin-specific protocol events but the usual spot drivers: ETF flow headlines, macro prints, and any sudden move in the dollar or rates around the New York morning. Because Binance uses a one-minute candle at 12:00 ET, even a brief liquidity sweep can matter more than the broader session trend; that makes execution, spread, and fee treatment more important on this market than on longer-dated Bitcoin contracts. Where a venue reaches the same conclusion through slightly different mechanics, the practical difference is whether you are buying an implied probability, a decimal price, or an exchange quote after commission.
Methodology
We read Bitcoin price on August 8? 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.
- 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.
- 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.
- 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.
Trade Bitcoin price on August 8? on Robinhood Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
Open live market →