The Benchmark for Implied Volatility in Crypto
BVIV, BVIV-US and EVIV — the 30-day implied-volatility reference for Bitcoin, US-listed Bitcoin ETFs and Ethereum, derived from option quotes across leading venues.
One Index Family for Every Dimension of Crypto Risk
Implied Volatility
Forward-looking 30-day volatility for the major crypto assets. The fear gauge for digital markets.
US ETF Volatility
IBIT-based implied volatility — the most liquid regulated Bitcoin option market in the world.
Prime Rate
Unified crypto cost-of-capital. DeFi lending + perp funding, distilled into a single rate.
Browse the full catalog
Realized vol, correlation, bull/bear IV, crypto-beta and on-chain lending & funding rates — every live Volmex index.
Ready to put the indices to work? Trade BVIV and EVIV across centralized, onchain and prediction-market venues — or browse every indicator we publish.
Already Settled, Traded, Tracked

Hedging
Institutional desks use BVIV to express tail-vol views without warehousing variance risk. Arbelos Markets and B2C2 settled the first bilateral OTC option on BVIV in June 2024, with B2C2’s Chief Risk Officer calling the index “credible, observable, and tradable.”
PR Newswire · Jun 2024
Speculation
Tradable across centralized, onchain and prediction-market venues — Bitfinex perpetuals up to 20×, gTrade onchain up to 100× on Base and Arbitrum, and Polymarket BTC/ETH vol prediction markets settling to BVIV/EVIV since January 2026.
CoinDesk · Jan 2026
Market Signal
CoinDesk, The Block and Bloomberg routinely cite BVIV as the headline read on Bitcoin implied vol. “Bitcoin’s annualized 30-day implied volatility index, BVIV, continues to slide…” — CoinDesk, May 2026.
CoinDesk · May 2026The benchmark cited by desks, analysts, and builders
Settlement-Grade Reliability at Transparent Pricing
The same feed that powers Bloomberg Terminal and LSEG — accessible to every team.
BVIV and EVIV settle OTC options (Arbelos × B2C2, Jun 2024) and Polymarket prediction markets (Jan 2026), and clear perpetuals on Bitfinex and gTrade — the latter onchain via Stork Oracle. Read the methodology paper ↗︎
- ✓Free self-serve API key — no sales call
- ✓REST access to BVIV, EVIV, MVIV + public indices
- ✓60-minute & daily resolutions
- ✓TradingView, Bloomberg, LSEG distribution
- ✓All methodology whitepapers
- ✓14-day free trial — self-serve
- ✓Realtime BVIV, EVIV, SVIV, MVIV, BVIV-US
- ✓Realized vol + Prime Rate indices
- ✓Intraday resolutions (1m–60m) + WebSocket
- ✓Higher rate limits · full history
- ✓Email support
- ✓Enterprise evaluation key on request
- ✓Settlement-grade index licensing
- ✓Direct SLA + uptime guarantees
- ✓Custom indices and basket design
- ✓On-prem / colo distribution
- ✓Dedicated solutions engineer
Talk to the Team Behind the Benchmarks
Whether you’re licensing settlement-grade data, integrating a feed, or evaluating Volmex as a counterparty — write to us. We respond within one business day.
