What will the Ethereum implied volatility Index hit by May 31?

Platform comparison

Active sub-markets

Market context

The Ethereum Implied Volatility Index (EVIV) measures expected price swings in ETH over the next 30 days, derived from options market pricing. On Polymarket, this contract settles based on where EVIV closes on 31 May 2025. The current 100% YES probability reflects traders pricing in certainty that EVIV will reach some threshold by that date—though the exact strike level remains implicit in the market's structure. Settlement occurs via conditional tokens on Polygon, with USDC collateral, meaning traders holding YES shares will receive redemption value once the 30-day window closes and the index is officially recorded.

Historical context shows EVIV typically ranges between 40 and 120 across market cycles. During the 2022 crypto winter, EVIV spiked above 150 as liquidation cascades and regulatory uncertainty drove options premiums higher. The 2024 recovery saw EVIV settle in the 50–80 band during periods of relative stability, with brief excursions above 100 following macroeconomic shocks or major protocol developments. The May 2025 window captures late spring conditions, when seasonal volatility patterns often moderate unless exogenous events intervene.

Traders should monitor Federal Reserve communications and inflation data releases, which historically correlate with crypto volatility spikes. Ethereum-specific catalysts include Dencun upgrade rollouts, staking yield adjustments, and large derivative liquidation events. Recent spot ETF inflows have dampened short-term swings, though geopolitical tensions and equity market corrections remain unpredictable drivers. The settlement date's proximity to quarter-end financial reporting may also influence institutional positioning and options demand.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Legit?, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Legit?, 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 does it cost to trade on Polymarket Legit??

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

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.

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.