Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) Pick polygram.ink (preferred broker) |
93% | 7% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
93% | 7% | 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 |
|---|---|
| ↓ 62,500 | 93% |
| ↑ 65,000 | 77% |
| ↓ 60,000 | 61% |
| ↑ 67,500 | 49% |
| ↓ 57,500 | 39% |
| ↑ 70,000 | 23% |
| ↓ 55,000 | 22% |
| ↑ 72,500 | 11% |
| ↓ 52,500 | 10% |
| ↑ 75,000 | 4% |
| ↓ 50,000 | 4% |
| ↑ 77,500 | 2% |
| ↓ 47,500 | 2% |
| ↓ 45,000 | 2% |
| ↑ 85,000 | 1% |
| ↑ 82,500 | 1% |
| ↑ 80,000 | 1% |
| ↓ 42,500 | 1% |
| ↓ 40,000 | 1% |
| ↑ 100,000 | 0% |
Market context
Bitcoin must hit the specified August threshold before the market’s settlement window closes, and the current crowd-implied probability of **0% YES** suggests traders are assigning no live chance to that level being reached. In platform terms, Polymarket typically shows this as a direct implied probability, while Kalshi and Betfair-style books translate the same view into different price conventions and fee drag, so the same conviction can look sharper or flatter depending on whether you are reading cents, decimal odds, or net payout after commission.
The nearest historical guide is that Bitcoin has repeatedly produced broad monthly swings, but most August forecasts in the current market chatter cluster far below the more aggressive breakout cases, with several models centring the month in the low-to-mid $60,000s or, in more bullish outputs, around the high $60,000s to low $70,000s.[1][4][8][14] That framing matters because a 0% reading is not a forecast of where Bitcoin closes; it is a statement that the market sees the target as outside the plausible August range, which is consistent with the bearish-to-neutral August scenarios that dominate recent price-prediction pages.[1][6][14]
For catalysts, watch spot Bitcoin ETF flow data, Federal Reserve messaging, and any crypto-legislation headlines, because recent commentary has tied August volatility to post-Fed positioning, ETF inflows, and the legislative calendar around the CLARITY Act before the August recess.[4][9] On a comparison basis, that matters more on Kalshi than on some sportsbook-style venues because KYC reach and market access can differ, while Betfair or Smarkets users may be thinking in decimal odds and commission-adjusted returns rather than the cleaner yes/no probability that Polymarket presents.
Methodology
This page compares What price will Bitcoin hit in August? 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 Kalshi Alternative, which mirrors the Polymarket order book at 0% fees.
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.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- 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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