RLI Corp
RLI Corp (RLI) Implied Volatility Current
RLI implied volatility is 58%. IV Rank is 90%, placing current premiums in the top of their 52-week range.
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Tracking RLI implied volatility helps you identify when options premiums on RLI Corp are historically cheap or expensive, and where the best trades are hiding. RLI Corp implied volatility reflects the market's expectation of future price movement: when RLI IV rises, option premiums increase, creating opportunities for sellers, and when it drops, buyers can find cheaper contracts. Use our scanner to monitor RLI Corp's implied volatility current levels in real time and filter for high-probability trades.
Implied volatility is derived from option prices using models like Black-Scholes and represents the annualized expected move of an underlying stock. For RLI, tracking metrics like RLI IV rank helps traders understand whether current implied volatility is historically high or low. IV rank compares today's reading against the past year's range — a high rank on RLI signals rich premiums and potential mean-reversion, while a low rank may favor long options strategies.
RLI Corp., an insurance holding company, underwrites property and casualty insurance in the United States and internationally. Its Casualty segment provides commercial and personal coverage products; and general liability products, such as coverage for third-party liability of commercial insureds, including manufacturers, contractors, apartments, and mercantile. It also offers coverages for security guards and in the areas of onshore energy-related businesses and environmental liability for underground storage tanks, contractors and asbestos, and environmental remediation specialists; and professional liability coverages focuses on providing errors and omission coverage to small to medium-sized design, technical, computer, and miscellaneous professionals.
This segment provides commercial automobile liability and physical damage insurance to local, intermediate and long haul truckers, public transportation entities, and other types of specialty commercial automobile risks; incidental and related insurance coverages; inland marine coverages; management liability coverages, such as directors and officers liability insurance, fiduciary liability and coverages, employment practice liability, and for various classes of risks, including public and private businesses; and healthcare liability and home business insurance products. The company's Property segment offers commercial property, cargo, hull, protection and indemnity, marine liability, inland marine, homeowners' and dwelling fire, and other property insurance products. Its Surety segment offers commercial surety bonds for medium to large-sized businesses; small bonds for businesses and individuals; and bonds for small to medium-sized contractors. The company also underwrites various reinsurance coverages. It markets its products through branch offices, brokers, carrier partners, and underwriting and independent agents. RLI Corp. was founded in 1965 and is headquartered in Peoria, Illinois.
Premium sellers, directional traders, and spread builders all need the same starting point: a clear read on where RLI implied volatility sits today versus where it has been. Our scanner ranks RLI Corp implied volatility against its historical range, surfaces extremes in RLI IV rank, and pairs every reading with the trades that exploit it. Stop guessing whether RLI Corp IV is rich or cheap — measure it, then act on it.
Implied Volatility
IV is near its yearly peak - premiums are expensive, favoring sellers.
As of September 24, 2026
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