Black Stone Minerals, L.P. (BSM) 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.

Black Stone Minerals, L.P. (BSM) operates in the Energy sector, specifically the Oil & Gas Exploration & Production industry, with a market capitalization near $2.88B, listed on NYSE, employing roughly 115 people, carrying a beta of 0.05 to the broader market. Black Stone Minerals, L. Led by H. Taylor DeWalch, public since 2015-04-30.

Snapshot as of May 15, 2026.

Spot Price
$13.99
ATM IV
28.9%
IV Skew 25Δ
-0.056
IV Rank
5.4%
IV Percentile
83.3%
Term Structure Slope
-0.055

As of May 15, 2026, Black Stone Minerals, L.P. (BSM) at-the-money implied volatility is 28.9%. IV rank is 5.4% (where 0% is the 52-week low and 100% is the 52-week high). IV percentile is 83.3%. The 25-delta skew is -0.056: puts carry meaningful premium over calls, a classic equity downside-protection skew. High IV rank typically favors premium-selling strategies; low IV rank favors premium-buying.

BSM Strategy Selection at Current Volatility Levels

For Black Stone Minerals, L.P. options at 28.9% ATM IV, low IV rank (5.4%) 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 is meaningfully put-skewed, so put-credit spreads capture more premium for the same width than call-credit spreads. 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 BSM volatility skew questions

What is the current BSM ATM implied volatility?
As of May 15, 2026, Black Stone Minerals, L.P. (BSM) at-the-money implied volatility is 28.9%. IV rank is 5.4% 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 BSM 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 BSM volatility skew tell options traders?
Volatility skew is the pattern by which IV varies across strikes for a given expiration. Black Stone Minerals, L.P. carries the typical equity downside-protection skew: 25-delta puts price meaningfully richer than 25-delta calls. 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.