Byrna Technologies Inc (BYRN) Historical Volatility

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

Byrna Technologies Inc., a less-lethal defense technology company, develops and manufactures less-lethal munitions. It offers a Byrna line of handheld personal security devices, including the Byrna SD and Byrna SD .68 caliber handheld personal security devices that are designed to be used by civilians and private security professionals, as well as Byrna HD magazines, shoulder-fired launchers, and projectiles. The company also offers accessories and related safety products, including the Byrna Banshee, Byrna Shield, compressed carbon dioxide canisters, sighting systems, holsters, and Byrna-branded apparels.

It operates in the United States and South Africa. The company was formerly known as Security Devices International, Inc. and changed its name to Byrna Technologies Inc. in March 2020. Byrna Technologies Inc. was incorporated in 2005 and is headquartered in Andover, Massachusetts.

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 Byrna Technologies Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where BYRN HV is running hot, cold, or in line. Make the BYRN 30 day historical volatility — and every other window — work for your edge instead of against it.