SMST Implied Volatility

SMST options trade at a 30-day at-the-money implied volatility of 158.7%, an IV rank of 43 out of 100 over the past year. This page breaks down SMST's implied volatility in plain English: where it sits versus its own history, how it compares with realized movement, and what the term structure and skew are saying.

Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close
$30.35
52-week range
$22.04 – $151.01
ATM IV (30d)
158.7%
IV rank
43 / 100
Moderate
Expected move
±$12.60 (±41.5%)
Put/call OI
0.97
Max pain
$33
↑ 8.7% above close

Implied Volatility & Expected Move

66%118%170%222%273%Jan '26May '26Aug '26

SMST 30-day at-the-money implied volatility, past year.

ATM IV — front expiration158.7%
IV rank (1 year)43 / 100
IV percentile (1 year)70%
Expected move (front expiration)±$12.60 (±41.5%)
Historical volatility — 10 day197.8%
Historical volatility — 21 day158.7%
Historical volatility — 30 day148.6%
Historical volatility — 60 day171.9%
IV / HV ratio1.07

An IV rank of 43 places current implied volatility in the middle of its 52-week range. An IV/HV ratio of 1.07 means implied volatility is roughly in line with recent realized volatility.

SMST IV Rank History

022446688Feb '26May '26Aug '26

SMST IV rank (0–100), past year.

IV rank has risen from 26 in Feb '26 to 43 today. An IV percentile of 70% means implied volatility was lower than today on 70% of trading days in the past year.

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SMST Options FAQ

What is the implied volatility of SMST options?

SMST options trade at a 30-day at-the-money implied volatility of 158.7% as of Aug 24, 2026. That is an IV rank of 43 out of 100, meaning implied volatility is subdued relative to its own 52-week range.

Is SMST implied volatility high or low right now?

By its own 52-week standards, SMST implied volatility is currently moderate: IV rank is 43 out of 100 as of Aug 24, 2026. Compared with realized movement, the IV/HV ratio of 1.07 shows options pricing more movement than the stock has recently delivered.

What move do SMST options imply before the next expiration?

Front-expiration SMST options imply a one-standard-deviation move of ±$12.60 (±41.5%) as of Aug 24, 2026, derived from at-the-money option prices.

What is the difference between SMST's IV rank and IV percentile?

IV rank (currently 43) measures where today's implied volatility sits between its 52-week low and high. IV percentile (currently 70%) counts the share of trading days in the past year with lower implied volatility than today. Percentile is less distorted by one-off volatility spikes.

Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.

Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.