Schwab Fundamental U.S. Large Company Index ETF (FNDX) Volatility Skew

Implied volatility skew shows how IV varies across strike prices for a given expiration. Steeper skews indicate higher demand for downside protection relative to upside speculation.

Schwab Fundamental U.S. Large Company Index ETF (FNDX) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $25.98B, listed on AMEX, carrying a beta of 0.86 to the broader market. The fund's goal is to track as closely as possible, before fees and expenses, the total return of an index that measures the performance of large U. public since 2013-08-15.

Snapshot as of May 15, 2026.

Spot Price
$30.30
ATM IV
22.2%
IV Skew 25Δ
0.007
IV Rank
37.0%
IV Percentile
70.6%
Term Structure Slope
-0.096

As of May 15, 2026, Schwab Fundamental U.S. Large Company Index ETF (FNDX) at-the-money implied volatility is 22.2%. IV rank is 37.0% (where 0% is the 52-week low and 100% is the 52-week high). IV percentile is 70.6%. The 25-delta skew is +0.007: skew is roughly flat across the 25-delta wings. High IV rank typically favors premium-selling strategies; low IV rank favors premium-buying.

FNDX Strategy Selection at Current Volatility Levels

For Schwab Fundamental U.S. Large Company Index ETF options at 22.2% ATM IV, mid-range IV rank (37.0%) is the regime where directional conviction matters more than vol-regime positioning; strategy choice should follow the event calendar and the dealer-positioning view rather than IV rank alone. Pair the vol-rank read with the dealer-gamma view and the upcoming-events calendar to confirm the strategy fits both the structural regime and the path-dependent risk. The variance risk premium - the persistent gap between implied and subsequently realized vol - is positive in equity markets on average; high IV rank typically reflects a stretch where the premium is wider than usual.

Learn how volatility skew is reported and how to read the data →

Frequently asked FNDX volatility skew questions

What is the current FNDX ATM implied volatility?
As of May 15, 2026, Schwab Fundamental U.S. Large Company Index ETF (FNDX) at-the-money implied volatility is 22.2%. IV rank is 37.0% on a 0-100% scale anchored to the 1-year IV range. ATM IV is the volatility input that makes a Black-Scholes-equivalent model reproduce the listed at-the-money option prices.
Is FNDX IV high or low historically?
IV is near its 1-year median, a regime where strategy choice depends on directional conviction and event calendar rather than vol regime.
What does FNDX volatility skew tell options traders?
Volatility skew is the pattern by which IV varies across strikes for a given expiration. Schwab Fundamental U.S. Large Company Index ETF skew is roughly flat across the 25-delta wings. Skew matters for risk-defined strategy selection: when downside puts are rich, put-credit spreads capture more premium; when upside calls are rich, call-credit spreads or covered-call writes harvest more.