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% |
| ↓ 62,000 | 41% |
| ↑ 64,000 | 16% |
| ↓ 61,000 | 8% |
| ↑ 65,000 | 2% |
| ↓ 60,000 | 2% |
| ↓ 59,000 | 1% |
| ↑ 70,000 | 0% |
| ↑ 69,000 | 0% |
| ↑ 68,000 | 0% |
| ↑ 67,000 | 0% |
| ↑ 66,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
| ↓ 56,000 | 0% |
| ↓ 55,000 | 0% |
Market context
Bitcoin’s price on 3 August will be judged against a market that has already moved into a narrow band, so the key question is whether it prints through the next round number during the day rather than where it closes. Polymarket-style event books express this as market-implied probability, while Kalshi and Betfair/Smarkets are easier to compare on price terms: Kalshi typically quotes contracts in cents, and exchange-style books quote decimal odds that must be converted to implied probability after fees. Polymarket data cited by CryptoSlate shows the market already leaning heavily towards lower strike levels, with sub-$62,500 outcomes priced well above the higher bands[11].
That setup matters because August has a mixed seasonal backdrop: one Yahoo analysis points to a bearish technical structure and a median seasonal loss near 8%, while other forecasters still cluster Bitcoin around the mid-$60,000s to low-$70,000s for August[1][2][18]. Robinhood’s live event book for the same date was showing active trading around the $62,500 to $63,099 ranges, which underlines how these markets can differ from binary “hit” markets by focusing on discrete price bands rather than a single threshold[4]. In practical terms, a 0% YES probability on a higher target can reflect both the current spot level and the distance to the strike, not just a view on Bitcoin direction.
Traders should watch US macro releases, ETF flow headlines and any sharp moves in the dollar or Treasury yields, because Bitcoin has been sensitive to liquidity expectations and risk appetite. Recent commentary from Memeburn specifically flagged renewed ETF inflows and the Fed outlook as the two clearest catalysts that could extend a move towards $75,000–$80,000, while failure at resistance could send price back towards $60,000[8]. For this market, settlement timing also matters: the window closes at 04:00 UTC on 4 August, so late-session volatility in Asia and the US evening can still decide whether a level is touched before expiry.
Methodology
This page compares What price will Bitcoin hit on August 3? 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 Polymarket Alternative, 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.
- 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.
- 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.
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