VSTOXX vs S&P 500
VSTOXX (V2TX), the 30-day implied volatility on Euro Stoxx 50 options computed on Eurex, hit a three-year high in early April 2026 as Euro Stoxx 50 dropped 8.8% in the first nine sessions of the month on global trade-disruption headlines. SPY closed near $708 the same week, recovering from its 10% March drawdown.
Also known as: VSTOXX (EU VIX, Euro volatility) · S&P 500 ETF (SPY) (ETF_SPY, S&P 500, SPX, SP500)
Why This Comparison Matters
VSTOXX (V2TX), the 30-day implied volatility on Euro Stoxx 50 options computed on Eurex, hit a three-year high in early April 2026 as Euro Stoxx 50 dropped 8.8% in the first nine sessions of the month on global trade-disruption headlines. SPY closed near $708 the same week, recovering from its 10% March drawdown. The pair is the cleanest detector of cross-region risk-off transmission: VSTOXX rising while SPY holds flags Europe-specific stress that has not yet propagated; VSTOXX and SPY both moving in their respective directions confirms global transmission. The April 2026 configuration sits closer to the first template, with European auto-and-industrial exposure to global trade transmitting more directly to V2TX than to the AI-capex-dominated S&P 500.
What VSTOXX measures and how it compares mechanically to VIX
VSTOXX, ticker V2TX on STOXX, is a 30-day forward-looking implied-volatility index computed from Euro Stoxx 50 options listed on Eurex. The methodology mirrors the CBOE VIX construction (variance-swap weighting across out-of-the-money strikes with constant maturity), but the underlying is the 50 largest blue-chip Eurozone stocks rather than the S&P 500. Eurex publishes V2TX in real time during European cash hours and the futures (FVS) trade until 22:00 CET. Over 21 million VSTOXX futures and options contracts changed hands on Eurex in 2024.
The Euro Stoxx 50 sectoral mix is materially different from the S&P 500: financials roughly 18%, industrials 15%, consumer discretionary 13%, information technology only 12% (versus approximately 32% in the S&P 500 as of April 2026). The mechanical implication is that VSTOXX prices Eurozone-bank, auto-OEM, and industrial-cyclical risk while VIX prices US-tech-and-AI-capex risk. The two indices share a global-risk-off factor but diverge sharply on regional shocks, which is exactly the property that makes the pair useful for transmission monitoring.
Long-run correlation and the average VSTOXX-VIX premium
VSTOXX has averaged approximately 2.5 points above VIX since 2007 (the post-GFC sample), reflecting structurally higher European equity volatility tied to sovereign-debt risk premia, banking-sector concentration, and lower index-level liquidity. The 90-day rolling correlation between VSTOXX and VIX has averaged approximately 0.78 across 2010-2026, with the correlation rising to 0.92 during global crises (2008 GFC, 2020 COVID, 2022 Russia invasion) and falling to 0.45 during regional shocks like the 2010-2012 European sovereign-debt crisis.
The 60-day rolling correlation between VSTOXX and SPY has averaged approximately -0.55 across the same window, weaker than the VIX-SPY correlation of approximately -0.78 because of the regional decoupling. The VSTOXX/SPY beta is asymmetric: in normal regimes a 1% SPY decline corresponds to a 5-15% VSTOXX increase; in extreme stress (2008, 2020) the same SPY move can produce 25-50% VSTOXX increases. The April 2026 60-day correlation sits near -0.42, weaker than average and consistent with the regional-shock interpretation.
VSTOXX-SPY divergences across the 2010-2012 sovereign-debt crisis
Conditional Forward Response (Tail Events)
How S&P 500 ETF (SPY) has historically behaved in the 5 sessions following a top-decile or bottom-decile daily move in VSTOXX. Computed from 1,234 aligned daily observations ending .
Following these triggers, S&P 500 ETF (SPY) rises 0.11% on average over the next 5 sessions, versus an unconditional baseline of +0.25%. 124 qualifying events; S&P 500 ETF (SPY) closed positive in 55% of them.
90-Day Statistics
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Frequently Asked Questions
What is VSTOXX exactly?+
VSTOXX (ticker V2TX on STOXX) is a 30-day forward-looking implied-volatility index computed from Euro Stoxx 50 options listed on Eurex. The methodology mirrors CBOE VIX construction (variance-swap weighting across out-of-the-money strikes with constant maturity), but the underlying is the 50 largest blue-chip Eurozone stocks rather than the S&P 500. Eurex publishes V2TX in real time during European cash hours and futures (FVS) trade until 22:00 CET. Over 21 million VSTOXX contracts traded on Eurex in 2024.
How does VSTOXX correlate with VIX and SPY?+
The 90-day rolling correlation between VSTOXX and VIX has averaged approximately 0.78 across 2010-2026, rising to 0.92 during global crises and falling to 0.45 during regional shocks like the 2010-2012 European debt crisis. The 60-day rolling correlation between VSTOXX and SPY has averaged approximately -0.55, weaker than the VIX-SPY correlation of -0.78 because of the regional decoupling. VSTOXX runs structurally about 2.5 points above VIX on average since 2007.
Why is VSTOXX elevated in April 2026?+
The early-April 2026 spike to a three-year high coincided with Euro Stoxx 50 dropping 8.8% in the first nine sessions of the month on global trade-disruption headlines. European auto OEMs (BMW, Mercedes-Benz, Stellantis, Volkswagen) and industrial-machinery names (Siemens, Schneider Electric, ASML) drove most of the index decline. Autos plus industrials are 28% of Euro Stoxx 50 versus 13% of the S&P 500, which explains why V2TX spiked harder than VIX.
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