Sionna Therapeutics Inc
Sionna Therapeutics Inc (SION) Historical Volatility
SION 30-day historical volatility is 117%. This ranks in the 87th percentile of readings over the past year.
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Tracking SION historical volatility helps you see how much Sionna Therapeutics 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, Sionna Therapeutics Inc's HV tells you what really happened. Use our scanner to monitor SION 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 SION 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Sionna Therapeutics 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.
Sionna Therapeutics, Inc. is a biopharmaceutical company. The Company provides treatment paradigm for cystic fibrosis patients by developing medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator.
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 Sionna Therapeutics Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where SION HV is running hot, cold, or in line. Make the SION 30 day historical volatility — and every other window — work for your edge instead of against it.
As of September 25, 2026
As of September 25, 2026
See how volatility has moved over time
Track SION historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.
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