Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on BTC Prediction.
Active sub-markets
Market context
Ethereum is trading around the mid-\$1,700s, so the contract is essentially asking whether ETH can print a specific level during the June 21 window while USDC settlement is fixed for the next day. Live spot references cluster close together: Kraken shows about \$1,739.51, Yahoo Finance lists \$1,739.14, and MetaMask’s tracker puts ETH near \$1,712.77, indicating a relatively tight trading band rather than a trend breakout.[4][6][1] That backdrop helps explain why a crowd-implied 0% YES can appear on a threshold market even when ETH itself is liquid and actively traded.
Historically, ETH has often spent long periods below prior highs: current levels are still well under the 2025 peak of \$4,946.05 cited by CoinGecko and MetaMask, and roughly 28% below the year-earlier figure shown by YCharts.[8][1][2] Recent daily closes also show modest two-way movement rather than a decisive momentum run, with Yahoo Finance and Investing.com both placing 21 June around \$1,739 and nearby sessions in the \$1,710-\$1,750 range.[6][3] For a price-hit market, that kind of distribution matters more than the spot headline, because the settlement depends on whether ETH tags the target at any point before expiry.
The main catalysts to watch are BTC-led macro swings, ETH funding and leverage positioning, and any whale-driven flows through major spot venues, because these can push a thin threshold level into or out of reach quickly. Binance’s live page notes a 3.9% drop in the prior six hours on 21 June, underscoring how fast intraday volatility can reshape odds even without a protocol-specific event.[5] On-chain mechanics matter as well: ETH remains the settlement and gas asset for the network, so shifts in DeFi activity, staking flows, or exchange withdrawals can tighten supply on spot books and amplify moves when funding turns one-sided.[5]
Methodology
This page reads What price will Ethereum hit on June 21? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- BTC Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction triggers a quick verification flow that finishes in minutes.
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