Ethereum price on May 22?

Platform comparison

Active sub-markets

Market context

Ethereum’s 12:00 ET Binance 1-minute candle on 22 May will decide the outcome, so the relevant question is where ETH/USDT closes at that exact minute rather than where the broader spot market trades during the day. The strongest comparable read is that the contract has been sitting in a narrow band around the low-$2,100s: Fortune put ETH at $2,116.35 on 21 May, while Polymarket’s own market on the same date showed the 2,100-2,200 bucket as the clear frontrunner. A 0% YES price here implies either that the market has already been fully settled into the opposing side or that the displayed probability is stale; on platforms such as Kalshi and Betfair, the same view would typically appear as a decimal price or percentage rather than a binary share price, while Smarkets’ lower-fee structure can make late moves look sharper in net terms. KYC access also differs materially: Polymarket’s crypto-native setup contrasts with the more standard identity checks and jurisdictional limits on regulated books.

For traders, the key drivers are the last few hours of US trading, any overnight move in Bitcoin, and whether ETH can hold the low-$2,100s into the noon ET print. There are no obvious Ethereum-specific protocol deadlines tied to this date, so the tape is more likely to be driven by broader crypto risk appetite, ETF flow headlines, and any macro release that spills into digital assets. Binance’s 1-minute candle matters because a brief wick can decide the bracket if price lands on a boundary, with the higher range winning when the close falls exactly between two buckets. That makes last-minute liquidity, spreads, and venue differences more important here than on end-of-day settlement markets.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We read Ethereum price on May 22? 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 quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.

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

Where can I trade this market with the lowest fees?

On PolyGram, 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?

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.

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.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.