Enanta Pharmaceuticals, Inc. (ENTA) 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.

Enanta Pharmaceuticals, Inc. (ENTA) operates in the Healthcare sector, specifically the Biotechnology industry, with a market capitalization near $325.7M, listed on NASDAQ, employing roughly 131 people, carrying a beta of 1.01 to the broader market. Enanta Pharmaceuticals, Inc. Led by Jay R. Luly, public since 2013-03-21.

Snapshot as of May 15, 2026.

Spot Price
$13.45
ATM IV
62.3%
IV Skew 25Δ
0.159
IV Rank
8.6%
IV Percentile
10.7%
Term Structure Slope
0.516

As of May 15, 2026, Enanta Pharmaceuticals, Inc. (ENTA) at-the-money implied volatility is 62.3%. IV rank is 8.6% (where 0% is the 52-week low and 100% is the 52-week high). IV percentile is 10.7%. The 25-delta skew is +0.159: calls carry premium over puts, indicating upside speculation or squeeze risk. High IV rank typically favors premium-selling strategies; low IV rank favors premium-buying.

ENTA Strategy Selection at Current Volatility Levels

For Enanta Pharmaceuticals, Inc. options at 62.3% ATM IV, low IV rank (8.6%) favors premium-buying or long-vol structures: long calls or puts, debit spreads, calendar spreads, long straddles. The risk: low-rank regimes can persist for months while time decay eats premium-buyers alive. The 25-delta skew tilts to calls, so call-credit spreads or covered-call writes harvest more premium than put-credit spreads of the same width. 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.

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Frequently asked ENTA volatility skew questions

What is the current ENTA ATM implied volatility?
As of May 15, 2026, Enanta Pharmaceuticals, Inc. (ENTA) at-the-money implied volatility is 62.3%. IV rank is 8.6% 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 ENTA IV high or low historically?
IV is subdued relative to its 1-year history, conditions that typically favor premium-buying strategies (long calls, long puts, debit spreads, calendar spreads).
What does ENTA volatility skew tell options traders?
Volatility skew is the pattern by which IV varies across strikes for a given expiration. Enanta Pharmaceuticals, Inc. shows upside-skewed pricing: 25-delta calls trade richer than 25-delta puts, often reflecting upside speculation or squeeze risk. 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.