Harrow Inc

HROWNASDAQ · USD
33.70USD-0.75 (-2.18%)
355

Harrow Inc (HROW) Historical Volatility

HROW 30-day historical volatility is 43%. This ranks in the 8th percentile of readings over the past year.

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Tracking HROW historical volatility helps you see how much Harrow Inc's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, Harrow Inc's HV tells you what really happened. Use our scanner to monitor HROW 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The HROW 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Harrow Inc's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

Harrow Health, Inc. operates as an ophthalmic-focused healthcare company. The company owns ImprimisRx, an ophthalmology outsourcing and pharmaceutical compounding business; and DEXYCU for the treatment of post-operative inflammation. The company also holds equity interests in Surface Ophthalmics, Inc., a clinical-stage pharmaceutical company that focuses on development and commercialization of therapeutics for ocular surface diseases; Melt Pharmaceuticals, Inc., a clinical-stage pharmaceutical company that focused on the development and commercialization of proprietary non-intravenous, sedation, and anesthesia therapeutics for human medical procedures in hospital, outpatient, and in-office settings; and Eton Pharmaceuticals, Inc., a commercial-stage pharmaceutical company that engages in developing and commercializing drug products.

Harrow Health, Inc. owns royalty rights in four clinical stage drug candidates being developed by Surface Ophthalmics, Inc. and Melt Pharmaceuticals, Inc. The company was formerly known as Imprimis Pharmaceuticals, Inc. and changed its name to Harrow Health, Inc. in December 2018. Harrow Health, Inc. was incorporated in 2006 and is headquartered in San Diego, California.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts Harrow Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where HROW HV is running hot, cold, or in line. Make the HROW 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 22, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 22, 2026

See how volatility has moved over time

Track HROW historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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