Vix of VIX (VVIX)

What Is the VIX of VIX (VVIX)?

The VVIX is the Cboe's measure of implied volatility on VIX options, analogous to how VIX measures implied volatility on S&P 500 options. Where the VIX tells you how much the market expects the S&P 500 to move over the next 30 days, the VVIX tells you how much the market expects the VIX itself to move — making it a second-order, or meta-level, volatility reading. It is sometimes called vol of vol or second-order volatility, and it represents the cost of insuring against sudden spikes in fear itself: a meta-hedge on the primary hedging instrument.

Methodologically, VVIX is constructed from a portfolio of VIX options across a range of strikes using the same variance-swap replication methodology the Cboe applies when computing VIX from SPX options. A VVIX reading of 90 implies a one-standard-deviation daily move of roughly 5–6 VIX points, which in practice means enormous potential swings in the volatility complex. Because VIX options are themselves volatility products with pronounced right-skew in their payoff profiles, VVIX is heavily influenced by demand for out-of-the-money VIX calls — strikes in the 30–60 range that pay off in genuine tail events. When institutions aggressively buy these calls to hedge against volatility explosions, VVIX ratchets higher even if the S&P 500 and spot VIX remain apparently calm.

Why It Matters for Traders

VVIX functions as a leading indicator of volatility regime transitions in a way that spot VIX cannot. Because it reflects option market participants pricing the distribution of VIX outcomes rather than the central tendency of equity moves, it captures a qualitatively different kind of market anxiety. When VVIX is elevated while spot VIX is still low — a configuration sometimes called vol compression with skew bid — it signals that sophisticated market participants are quietly loading up on tail protection, often weeks before a volatility unwind becomes visible in headline indices.

For options traders, a high VVIX environment has direct structural consequences. It raises the cost of vega exposure across the entire volatility complex, making long-gamma and long-vega strategies more expensive to initiate. It also signals that vol targeting strategies, risk parity funds, and short-vol exchange-traded products may be approaching forced-deleveraging thresholds where a modest VIX move triggers mechanical selling of equities. Beyond directional trading, VVIX is integral to pricing variance swaps, volatility swaps, and dispersion trades, all of which embed assumptions about the realized variance of VIX itself. Dealers running books in these instruments monitor VVIX continuously as a real-time gauge of their hedging costs.

How to Read and Interpret It

Practical VVIX thresholds, calibrated against historical behavior since the index's 2012 inception:

• VVIX below 80: Unusually low second-order volatility. The options market is pricing an exceptionally stable VIX path; vol products are historically cheap. These environments often coincide with low-dispersion equity rallies and compressed credit spreads.
• VVIX 80–100: The normal operating range in stable equity regimes. Moderate tail-hedging demand but no systemic urgency.
• VVIX 100–120: Elevated anxiety. Institutional desks are actively buying VIX upside; the probability of a vol spike is meaningfully priced into the market. Options-selling strategies face increasing mark-to-market pressure.
• VVIX above 120: Crisis-adjacent territory. Acute stress events — actual VIX explosions — frequently materialize within days to weeks of readings at this level.

One of the most actionable derived signals is the VVIX/VIX ratio. When this ratio surges sharply while absolute VIX remains subdued (say, ratio above 6.5x with VIX below 18), it identifies a structural divergence where the shape of the volatility distribution is widening even as the center holds. This divergence has preceded several of the sharpest equity drawdowns of the past decade and is arguably more informative than either index read in isolation.

Historical Context

The clearest demonstration of VVIX's predictive value came in the weeks before Volmageddon on February 5, 2018. In late January 2018, spot VIX was trading near historical lows of 12–14, and equity markets were grinding to new all-time highs. Yet VVIX had quietly moved into the 100–115 range, reflecting a steady accumulation of VIX call options by risk managers who recognized that the crowded short-vol trade in products like XIV (the inverse VIX ETP) was dangerously exposed. When the unwind occurred, VIX jumped intraday from roughly 17 to 37 on February 5th, and VVIX exploded above 180 — an extraordinary reading that captured the panicked scramble for any available VIX upside protection as XIV collapsed nearly 90% in after-hours trading, wiping out approximately $2 billion in assets.

In March 2020, as COVID-19 fear overwhelmed markets, VVIX reached an all-time high above 200, reflecting a demand for VIX optionality so extreme that standard volatility pricing models were effectively unusable. The S&P 500 fell over 30% peak-to-trough in roughly five weeks, and VIX itself briefly traded above 85 — levels not seen since the 2008 financial crisis. Even before the full equity rout, a VVIX already trading above 130 in late February 2020 was warning that something structurally severe was developing.

Limitations and Caveats

VVIX is a measure of implied, not realized, second-order volatility, and false positives are frequent. It can remain persistently elevated for weeks or months without a vol spike materializing — particularly in environments where structured product desks systematically purchase VIX calls as part of mandate-driven hedging programs entirely unrelated to directional market views. This structural buying can keep VVIX bid even in benign markets, eroding its signal value.

Additionally, VVIX suffers from microstructure noise more than VIX does, because the VIX options market is shallower and less continuous. Wide bid-ask spreads in mid-curve VIX options can create artificial spikes in computed VVIX that reverse quickly. Traders should smooth the signal using multi-day averages and confirm with actual open interest data in VIX call strikes rather than relying on a single VVIX print.

What to Watch

• VVIX diverging above 110 while spot VIX trades below 18: Historically one of the highest-conviction setups for an impending vol regime shift. Run this screen weekly.
• Open interest in out-of-the-money VIX calls (strikes 30–60): Rising OI in these strikes is the raw underlying data driving VVIX and confirms genuine institutional tail demand rather than microstructure noise.
• VVIX term structure: A flat or inverted VVIX term structure — where near-term implied vol of VIX exceeds longer-dated — signals acute short-term fear and is consistent with a market that believes any stress event is imminent rather than diffuse.
• VVIX alongside the VIX futures basis: When VVIX is elevated and the VIX futures curve is in steep contango, it creates a particularly toxic environment for short-vol strategies, as both the roll cost and the tail-risk premium are working against them simultaneously.