Volmageddon 2018

Volmageddon refers to the events of February 5, 2018, when a sharp VIX spike caused the catastrophic collapse of several short-volatility products, most notably the VelocityShares Daily Inverse VIX Short-Term ETN (XIV). The VIX surged from 17 to 37 in a single day — a move that triggered a feedback loop in volatility products, causing XIV to lose over 96% of its value in hours. It was subsequently terminated. The event exposed the extreme risks hidden in products that bet against volatility.

Why It Matters

Volmageddon is the defining cautionary tale for anyone considering short volatility strategies. For years leading up to February 2018, selling volatility was the most popular trade on Wall Street. The VIX had been persistently low (averaging around 11 in 2017), and short-vol products like XIV had produced extraordinary returns. Billions of dollars flowed into these strategies from both retail and institutional investors who saw them as easy money.

The blow-up demonstrated that strategies with high win rates and steady returns can harbor catastrophic, product-destroying risk. It also showed how structured products can create feedback loops that amplify market moves far beyond what fundamentals justify.

How It Works

The setup:

• Throughout 2017, VIX averaged around 11 — historically low
• Short-volatility ETPs (XIV, SVXY) profited by shorting VIX futures, capturing the roll yield as longer-dated futures converged to the lower spot VIX
• XIV had returned over 180% in 2017 alone
• Billions of dollars were positioned short volatility through these products and similar strategies

What happened on February 5, 2018:

• Markets had begun falling the prior week on inflation fears
• On February 5, the S&P 500 dropped 4.1% — a significant but not extreme move
• The VIX spiked from 17 to 37 (a 116% increase in a single day)
• After the close, short-vol ETPs needed to buy massive amounts of VIX futures to rebalance
• This forced buying pushed VIX futures even higher in after-hours trading
• A vicious feedback loop developed: higher VIX futures prices meant more buying needed, which pushed prices even higher
• VIX futures briefly exceeded 50 in after-hours trading

The XIV destruction:

• XIV's indicative value dropped over 96% in after-hours trading
• The product was designed to provide the inverse of VIX short-term futures — a 116% VIX move meant a theoretical -116% return, far exceeding the -100% floor
• Credit Suisse announced the termination of XIV on February 6
• Investors who held XIV lost nearly everything

Broader impact:

• SVXY (a similar product from ProShares) also lost 90%+ but survived by changing its leverage from -1x to -0.5x
• Estimated retail losses exceeded $2 billion
• The event forced regulators and exchanges to reassess the risks of leveraged volatility products
• Short-volatility strategies fell out of favor temporarily before gradually returning

Quick Example

You invested $100,000 in XIV on January 1, 2018, when it traded at roughly $145 per share. By February 2, it had dropped to $99 as markets wobbled. On February 5, after the market close, XIV's indicative value collapsed to approximately $4 per share.

Your $100,000 investment was worth roughly $2,700 — a 97% loss. Because XIV was an ETN (a debt instrument), there was no floor or protection. Credit Suisse exercised its right to terminate the product, and you received the liquidation value of approximately $5.99 per share on February 20.

Meanwhile, a trader who bought VIX calls at $17 for $0.50 each on February 5 morning saw those calls worth $15-20 by the close — a 30-40x return in hours. The same force that destroyed short-vol traders enriched long-vol traders.