Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| ↑ 65,000 | 100% |
| ↑ 66,000 | 20% |
| ↓ 64,000 | 12% |
| ↑ 67,000 | 2% |
| ↑ 70,000 | 1% |
| ↑ 69,000 | 1% |
| ↑ 68,000 | 1% |
| ↓ 63,000 | 1% |
| ↑ 72,000 | 0% |
| ↑ 71,000 | 0% |
| ↓ 62,000 | 0% |
| ↓ 61,000 | 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 really a question of whether the token can print a fresh daily high on 10 August rather than whether it can hold a level by the close. Independent short-horizon forecasts cluster tightly around the same area: CoinCodex puts BTC at about $65,614 for 10 August, MEXC at $65,266.77, and Changelly at $65,219.96, which is consistent with a market expecting price discovery to remain near the current band rather than break sharply away.[2][3][4] On Polymarket, the nearest bucket is 64,000–66,000 at 88%, with 66,000–68,000 next at 9%, a spread that helps explain why a 0% YES reading on a specific threshold can coexist with a fairly active underlying market.[6]
For comparison, this is the sort of event where platform structure matters. Polymarket quotes outcome buckets as market-implied probabilities, while Kalshi and Smarkets typically surface contract prices or decimal-odds style displays that traders mentally convert back into probability; Betfair’s exchange format adds another layer because the available price reflects both order flow and commission rather than a simple headline probability. In practice, the same Bitcoin level can look more or less accessible depending on whether fees are embedded in the spread, whether a platform shows the contract as a price or a percentage, and whether access is limited by KYC and jurisdiction. That is especially relevant on a one-day price ladder, where a few hundred dollars of intraday movement can flip the apparent value proposition.
The main catalysts are macro and flow-driven rather than protocol-specific: Fed repricing, ETF inflows and general risk sentiment still dominate short-term Bitcoin moves, and recent market notes have framed 1–10 August around “post-Fed positioning” and “ETF flow watch”.[16] Traders should also watch whether Bitcoin can hold the $65,000–$66,000 support zone and retake $67,500, because several August forecasts treat that band as the first meaningful upside test, while other models still leave a wide downside envelope into the low-$60,000s.[12][13][15]
Methodology
We read What price will Bitcoin hit on August 10? 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.
UK Frequently Asked Questions
- 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.
- 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.
- Polymarket vs Betfair Exchange: which is better for UK prediction trading?
- Betfair Exchange offers UKGC regulation, GBP settlement, and potentially tax-free winnings — but focuses on sports and politics only. Polymarket has deeper liquidity, 0% platform fee, global event coverage, and crypto/geopolitical markets Betfair doesn't offer. For UK traders: Betfair for regulated GBP sports markets; Polymarket for broader, global prediction events.
- Is Kalshi available in the UK?
- Kalshi is a US CFTC-regulated prediction exchange. UK residents can create accounts but must use USD and US payment methods. Kalshi's product range overlaps with Polymarket but with lower liquidity on most contracts. For UK traders, Polymarket typically offers better prices due to higher global volume.
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