Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
19% | 81% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
19% | 81% | 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 |
|---|---|
| ↑ 2,000 | 19% |
| ↓ 1,800 | 18% |
| ↑ 2,100 | 6% |
| ↓ 1,700 | 3% |
| ↑ 2,200 | 2% |
| ↓ 1,600 | 2% |
| ↑ 2,600 | 0% |
| ↑ 2,500 | 0% |
| ↑ 2,400 | 0% |
| ↑ 2,300 | 0% |
| ↓ 1,500 | 0% |
| ↓ 1,400 | 0% |
| ↓ 1,300 | 0% |
| ↓ 1,200 | 0% |
Market context
Ethereum's price trajectory during the week of 10–16 August 2026 will depend on macroeconomic conditions, regulatory developments, and on-chain activity in the months preceding that window. The settlement window closes on 17 August, giving traders a narrow observation period for what is fundamentally a medium-term volatility bet on a major cryptocurrency asset.
Historical precedent suggests that weekly price targets for Ethereum attract modest liquidity across most platforms. Polymarket's decimal-odds interface tends to surface sharper probability shifts when volatility spikes, whereas Kalshi's regulated US-domiciled structure and Betfair's traditional fractional-odds display can lag in repricing during rapid moves. Smarkets' commission-based fee model (typically 2–5%) creates different break-even thresholds than Polymarket's AMM-style spreads, which may explain why identical outcomes trade at visibly different implied probabilities across venues. The 0% crowd probability here suggests either extreme consensus on a specific price range or insufficient order-book depth to establish a meaningful market.
Traders should monitor Federal Reserve policy signals and Ethereum's staking yield, both of which influence institutional accumulation patterns. The Shanghai upgrade's long-term effects on validator economics remain a reference point for understanding sustained price floors. Additionally, any major exchange listing changes or regulatory announcements from the SEC regarding Ethereum's classification could shift positioning sharply in the weeks before mid-August 2026. On-chain metrics such as exchange inflows and active address counts typically precede price moves by 1–3 weeks and warrant close attention.
Methodology
We read What price will Ethereum hit August 10-16? 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.
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