SIZE Implied Volatility
SIZE options trade at a 30-day at-the-money implied volatility of 37.4%, an IV rank of 100 out of 100 over the past year. This page breaks down SIZE'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.
Implied Volatility & Expected Move
SIZE 30-day at-the-money implied volatility, past year.
| ATM IV — front expiration | 37.4% |
| IV rank (1 year) | 100 / 100 |
| IV percentile (1 year) | 99% |
| Expected move (front expiration) | ±$24.00 (±10.7%) |
| Historical volatility — 10 day | 179.0% |
| Historical volatility — 21 day | 295.5% |
| Historical volatility — 30 day | 262.4% |
| Historical volatility — 60 day | 262.4% |
| IV / HV ratio | 0.14 |
An IV rank of 100 places current implied volatility near the top of its 52-week range. With an IV/HV ratio of 0.14, options currently price in less movement than the stock has recently realized.
SIZE IV Rank History
SIZE IV rank (0–100), past year.
IV rank has risen from 0 in Feb '26 to 100 today. An IV percentile of 99% means implied volatility was lower than today on 99% of trading days in the past year.
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SIZE Options FAQ
What is the implied volatility of SIZE options?
SIZE options trade at a 30-day at-the-money implied volatility of 37.4% as of Aug 24, 2026. That is an IV rank of 100 out of 100, meaning implied volatility is elevated relative to its own 52-week range.
Is SIZE implied volatility high or low right now?
By its own 52-week standards, SIZE implied volatility is currently high: IV rank is 100 out of 100 as of Aug 24, 2026. Compared with realized movement, the IV/HV ratio of 0.14 shows options pricing less movement than the stock has recently delivered.
What move do SIZE options imply before the next expiration?
Front-expiration SIZE options imply a one-standard-deviation move of ±$24.00 (±10.7%) as of Aug 24, 2026, derived from at-the-money option prices.
What is the difference between SIZE's IV rank and IV percentile?
IV rank (currently 100) measures where today's implied volatility sits between its 52-week low and high. IV percentile (currently 99%) 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.