What price will Ethereum hit on June 21?

Platform comparison

Active sub-markets

Market context

Ethereum is trading in the mid-$1,700s, so the contract is effectively asking whether spot can hold or push through a fairly tight band rather than whether ETH can stage a major rerating. Recent market data showed ETH around $1,740 on 21 June, after a softer close the previous day, while Fortune put the coin at $1,778.27 on 4 June and noted it was still far below its August 2025 peak near $5,000.[4][1] That backdrop helps explain why the crowd-implied probability on this market sits at 0% YES: the listed strike levels on comparable exchange-style contracts are high enough that the market is pricing them as out of reach at the settlement time.[3][7]

Historical and forecast-style references point to a more restrained consensus than the zero-price market suggests. Binance’s dated Ethereum outlook had ETH at about $1,728.89 on 21 June 2026, while Changelly’s June 2026 range placed the month’s floor near $1,724.69 and the average around $1,810.68.[6][2] Robinhood’s comparable prediction market is also skewed towards the lower strikes, with $1,720 or above at 99¢ and $1,700 or above at 98¢, which is consistent with a market expecting ETH to finish near the low-$1,700s rather than break materially higher.[3] The notable divergence is that analyst-style price models remain centred around the current spot area, whereas the contract’s own yes price implies virtually no chance of the target being hit by the settlement cut-off.[2][6]

The main catalysts to watch are macro risk appetite, any abrupt move in bitcoin, and Ethereum-specific network or regulatory headlines, because a small move in spot near the strike can flip these event contracts quickly. The market is based on CF Benchmarks’ Ethereum Real Time Index, so the key dependency is the exchange index at the stated timestamp rather than a single venue print.[3][7] With the settlement window ending on 22 June 2026 at 04:00 UTC, traders will be focused on late-session liquidity and any catalyst that changes ETH’s direction before the reference window closes.[3][4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track What price will Ethereum hit on June 21? 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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Best Prediction Markets UK, 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.

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.

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 Best Prediction Markets UK?

Zero. Best Prediction Markets UK 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.