Crown Castle Inc

CCINYSE · USD
88.60USD-2.35 (-2.59%)
669

Crown Castle Inc (CCI) Historical Volatility

CCI's 30 day historical volatility is 54.35%, in the 98th percentile of readings over the past year. This is a high percentile, meaning Crown Castle Inc shares have swung far more than usual. CCI's 30 day implied volatility sits at 36.99%, with an IV Rank of 81.75%, leaving IV 17.36 points below historical volatility. This means options are pricing in less movement than the stock has actually delivered, as of Nov 5, 2026.

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Tracking CCI historical volatility helps you see how much Crown Castle Inc's stock price has actually moved, giving you a baseline for whether option premiums look fair, cheap, or expensive. While implied volatility shows what the market expects, CCI's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor CCI 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 a stock's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. CCI's 30 day historical volatility, or CCI HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing CCI's HV to its implied volatility reveals the volatility risk premium. When IV sits well above HV, options are pricing in more movement than the stock has actually delivered, giving option sellers an edge. When HV runs hot relative to IV, options are pricing in less movement than the stock has delivered, and buyers may be underpaying for it.

Crown Castle owns, operates and leases more than 40,000 cell towers and approximately 80,000 route miles of fiber supporting small cells and fiber solutions across every major U.S. market. This nationwide portfolio of communications infrastructure connects cities and communities to essential data, technology and wireless service - bringing information, ideas and innovations to the people and businesses that need them. For more information on Crown Castle, please visit www.crowncastle.com.

Historical Volatility

HV Percentile
98thHV Percentile
High

Historical movement is elevated versus the past year. The stock has been unusually active.

Historical Volatility (30d)54.35%

HV Percentile98th

Implied Volatility (30d)36.99%

IV Rank81.75%

IV Minus HV-17.36%

As of Nov 5, 2026

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

As of Nov 5, 2026

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

As of Nov 5, 2026

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