Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket App UK) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ 1,750 | 0% |
| ↑ 1,650 | 0% |
| ↑ 1,600 | 0% |
| ↓ 1,250 | 0% |
| ↑ 1,900 | 0% |
| ↑ 1,700 | 0% |
| ↓ 1,500 | 0% |
| ↓ 1,300 | 0% |
| ↓ 1,350 | 0% |
| ↑ 1,850 | 0% |
| ↑ 1,800 | 0% |
| ↓ 1,550 | 0% |
| ↓ 1,450 | 0% |
| ↓ 1,400 | 0% |
Market context
The underlying real-world event is the closing price of Ethereum on 30 June 2026, a fixed date that determines settlement for this prediction market. Current crowd-implied probability sits at 0% for the “YES” outcome, suggesting traders believe the asset will not reach a specific threshold price by that date. Historically, Ethereum has experienced sharp volatility around month-end dates, with prices swinging from over $2,000 in late May 2026 to approximately $1,570 by 30 June 2026, a drop of nearly 22% in one month[1][4]. This pattern mirrors previous year-end corrections where macroeconomic concerns and reduced momentum triggered significant sell-offs, framing the current 0% probability as consistent with recent bearish trends rather than an outlier[1].
Traders approaching this market programmatically should monitor upcoming Ethereum network upgrades, regulatory announcements from the US SEC, and macroeconomic data releases such as US inflation reports, all of which can act as catalysts for price movement. A recent report from Kraken highlights that Ethereum’s circulating supply and market cap remain stable, but price sensitivity to external shocks has increased amid broader crypto market uncertainty[2]. Conditional orders and copy-trading bots should be calibrated to react to sudden volume spikes or news-driven volatility, particularly if the price breaches the $1,500 level, which prediction markets currently show increased betting activity around[1]. Dependencies include the timing of the Pectra upgrade and any delays in regulatory clarity, both of which could alter the settlement outcome.
Methodology
We track What price will Ethereum hit on June 30? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket App UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
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