FLRN Implied Volatility
FLRN options trade at a 30-day at-the-money implied volatility of 34.6%, an IV rank of 52 out of 100 over the past year. This page breaks down FLRN'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 21, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
Implied Volatility & Expected Move
FLRN 30-day at-the-money implied volatility, past year.
| ATM IV — front expiration | 34.6% |
| IV rank (1 year) | 52 / 100 |
| IV percentile (1 year) | 33% |
| Expected move (front expiration) | ±$3.06 (±9.9%) |
| Historical volatility — 10 day | 40.6% |
| Historical volatility — 21 day | 41.9% |
| Historical volatility — 30 day | 44.3% |
| Historical volatility — 60 day | 44.3% |
| IV / HV ratio | 0.78 |
An IV rank of 52 places current implied volatility in the middle of its 52-week range. With an IV/HV ratio of 0.78, options currently price in less movement than the stock has recently realized.
FLRN IV Rank History
FLRN IV rank (0–100), past year.
IV rank has fallen from 100 in Feb '26 to 52 today. An IV percentile of 33% means implied volatility was lower than today on 33% of trading days in the past year.
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FLRN Options FAQ
What is the implied volatility of FLRN options?
FLRN options trade at a 30-day at-the-money implied volatility of 34.6% as of Aug 21, 2026. That is an IV rank of 52 out of 100, meaning implied volatility is elevated relative to its own 52-week range.
Is FLRN implied volatility high or low right now?
By its own 52-week standards, FLRN implied volatility is currently moderate: IV rank is 52 out of 100 as of Aug 21, 2026. Compared with realized movement, the IV/HV ratio of 0.78 shows options pricing less movement than the stock has recently delivered.
What move do FLRN options imply before the next expiration?
Front-expiration FLRN options imply a one-standard-deviation move of ±$3.06 (±9.9%) as of Aug 21, 2026, derived from at-the-money option prices.
What is the difference between FLRN's IV rank and IV percentile?
IV rank (currently 52) measures where today's implied volatility sits between its 52-week low and high. IV percentile (currently 33%) 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.