Alarm.com (ALRM) Options Chain
NASDAQ: ALRMTechnologyComputer Software: Prepackaged SoftwareUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $55.65
- Put/call ratio (OI)
- 0.33
- Put/call ratio (volume)
- 0.38
- Expected move
- ±$8.77
- Open interest (C / P)
- 15 / 5
ALRM options summary
The ALRM options chain for the November 20, 2026 expiration lists 2 call and 1 put contracts, with 40 days until expiration. Open interest stands at 15 calls and 5 puts, a put/call ratio of 0.33, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $55.00 strike is 47.6%, which implies the market expects a move of about ±$8.77 (15.8%) in Alarm.com stock by expiration.
The most open interest sits at the $50.00 call (10 contracts) and the $55.00 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ALRM options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 6.07 | 5.90 | 7.90 | 50.00 | — | — | — | |||||
| — | — | — | 55.00 | 2.00 | 3.20 | 3.65 | |||||
| 1.30 | 0.50 | 1.50 | 60.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the ALRM put/call ratio?
For the November 20, 2026 expiration, the ALRM put/call ratio based on open interest is 0.33 (5 puts vs 15 calls), and 0.38 based on today's volume. A ratio above 1 means more puts than calls.
What is ALRM's implied volatility?
At-the-money implied volatility for ALRM options expiring November 20, 2026 is about 47.6%, an annualized estimate of how much the market expects Alarm.com stock to move.
How many ALRM option expiration dates are there?
ALRM has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.