Heartflow Inc

HTFLNASDAQ · USD
49.57USD+1.27 (+2.63%)
3310

Heartflow Inc (HTFL) Historical Volatility

HTFL 30-day historical volatility is 99%. This ranks in the —th percentile of readings over the past year.

Read more

Tracking HTFL historical volatility helps you see how much Heartflow 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, Heartflow Inc's HV tells you what really happened. Use our scanner to monitor HTFL 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 HTFL 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Heartflow 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.

HeartFlow, Inc., a medical technology company, provides non-invasive solutions for diagnosing and managing coronary artery diseases worldwide. Its HeartFlow Platform uses AI and computational fluid dynamics to creates a personalized 3D model of a patient's heart from a single coronary computed tomography angiography, a specialized type of scan that provides detailed images of the heart's arteries. The company's platform provides insights on blood flow, stenosis, and plaque volume and composition by overcoming the limitations of traditional non-invasive imaging tests. The company was founded in 2007 and is headquartered in Mountain View, 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 Heartflow Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where HTFL HV is running hot, cold, or in line. Make the HTFL 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 16, 2026

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

As of September 16, 2026

See how volatility has moved over time

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

Start your 14-day free trial