Alarm.com Holdings Inc

ALRMNASDAQ · USD
53.38USD0.00 (-0.12%)
799

Alarm.com Holdings Inc (ALRM) Historical Volatility

ALRM 30-day historical volatility is 20%. This ranks in the 7th percentile of readings over the past year.

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

Alarm.com Holdings, Inc. provides cloud-based solutions for smart residential and commercial properties in the United States and internationally. It operates in two segments, Alarm.com and Other. The company provides interactive security solutions to control and monitor their security systems, as well as connected security devices, including door locks, motion sensors, door locks, garage doors, Internet of Things, thermostats, and video cameras; and video monitoring solutions, such as video analytics, live streaming, video doorbell, video clips, video alerts, continuous high definition recording, and commercial video surveillance solutions.

It also offers intelligent automation and energy management solutions comprising scenes button; smart thermostat schedules; responsive savings; precision comfort; energy usage monitoring; heating, ventilation, and air conditioning monitoring services; whole home water safety solutions; geo-services; and demand response programs. In addition, the company provides commercial solutions, such as daily safeguards, commercial grade video, energy savings, protection for valuables and inventory, temperature monitoring, multi-site management and access control, early identification, simple to use, professionally supported, and easy to maintain. Further, it offers service provider solutions, including a permission-based online portal that offers account management, sales, marketing, training, and support tools; sales, marketing, and training services; and home builder programs, as well as wellness solutions. The company serves residential and commercial subscribers. Alarm.com Holdings, Inc. was founded in 2000 and is based in Tysons, Virginia.

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 Alarm.com Holdings Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where ALRM HV is running hot, cold, or in line. Make the ALRM 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 25, 2026

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

As of September 25, 2026

See how volatility has moved over time

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

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