Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
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 PolyGram.
Active sub-markets
Market context
Ethereum is being priced against the 22 May close window, and the market is currently implying a very low chance that it finishes anywhere other than the listed band. On Polymarket, the contract has effectively collapsed to a single outcome, with the crowd assigning 100% to 2,100-2,200 and 0% to the lower ranges. That sits above some model-based forecasts but not by a huge margin: CoinCodex had Ethereum at about $2,125.74 for 22 May, while Binance’s forecast was around $2,120.93 for the same date, both implying a finish near the lower end of this bracket rather than a decisive break either way.
The cleaner comparison is with the recent spot and intraday pricing rather than long-range analyst targets. Robinhood’s parallel ETH market for 22 May at 12pm EDT showed 2,100 or above at 98¢, with 2,120 or above at 29¢ and 2,140 or above at 4¢, which suggests the market had been leaning towards a tight band just above $2,100 rather than a broad rally. Recent third-party forecasts are mixed but broadly clustered around the low $2,100s to mid-$2,200s: Changelly put 24 May near $2,214 and CoinDataFlow’s 2026 range topped out around $2,398.19. The gap between those estimates and the current Polymarket all-or-nothing pricing shows the binary contract is being treated much more narrowly than ordinary price forecasts.
For traders, the main watchpoints are the Ethereum spot move into expiry, any late crypto market volatility, and whether the CF Benchmarks RTI reference used by Robinhood-style contracts prints consistently above the relevant strike area. There is no obvious event risk from a protocol milestone in the settlement window, so the contract is likely to be driven by broader market flows, Bitcoin correlation and any risk-on or risk-off moves in US hours. In that sense, the odds comparison is straightforward: prediction-market pricing is fully anchored to one band, while external forecasts still allow a modest drift either side of $2,120.
Methodology
We track What price will Ethereum hit on May 22? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Is this market available outside the US?
- PolyGram 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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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, PolyGram triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade What price will Ethereum hit on May 22? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →