Alarm.com (ALRM) Stock Chart & Stock Price History $55.98 -0.58 (-1.02%) As of 09:39 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Alarm.com Stock Price Performance The Alarm.com (ALRM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 1.33%, with a year-to-date return of -7.92%. In the past month, the stock has increased 0.35%, reflecting recent market activity. As of the latest close, Alarm.com traded at $55.68 with a market cap of $2.78 billion and volume of 337,100 shares. Five years ago, the stock traded at $57.46, representing a 2.57% decrease over that period. At the time, it had a market cap of $2.80 billion and a volume of 235,828 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+1.38%1 Month Performance+0.35%3 Month Performance-1.16%Year-To-Date Performance-7.92%1 Year Performance+1.33%5 Year Performance-2.57% ALRM Stock Chart for Monday, September, 15, 2025 ALRM Chart by TradingView Alarm.com Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization09/12/2025$56.56$55.68-1.56%$56.71$55.56337,100 shs$2.78 billion09/11/2025$55.22$56.56+2.43%$56.85$55.23398,301 shs$2.82 billion09/10/2025$56.26$55.22-1.85%$56.53$55.00322,579 shs$2.76 billion09/09/2025$56.98$56.26-1.26%$56.94$56.04298,761 shs$2.81 billion09/08/2025$56.95$56.98+0.05%$57.19$56.11270,094 shs$2.84 billion09/05/2025$57.09$56.95-0.25%$58.12$56.70244,836 shs$2.84 billion09/04/2025$57.00$57.09+0.16%$57.10$55.84266,998 shs$2.85 billion09/03/2025$57.43$57.00-0.75%$57.57$56.65302,810 shs$2.84 billion09/02/2025$58.63$57.43-2.05%$58.20$57.38367,567 shs$2.87 billion09/01/2025$58.63$58.63$59.38$57.97363,054 shs$2.93 billion Get the Latest News and Ratings for ALRM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alarm.com and its competitors with MarketBeat's FREE daily newsletter. 08/29/2025$58.75$58.63-0.20%$59.38$57.97363,054 shs$2.93 billion08/28/2025$58.52$58.75+0.39%$58.93$58.26474,866 shs$2.93 billion08/27/2025$57.10$58.52+2.49%$58.60$57.26260,495 shs$2.92 billion08/26/2025$57.83$57.10-1.26%$58.00$56.90353,701 shs$2.85 billion08/25/2025$59.16$57.83-2.25%$59.10$57.79377,153 shs$2.89 billion08/22/2025$56.98$59.16+3.83%$59.53$56.95352,737 shs$2.95 billion08/21/2025$57.01$56.98-0.05%$57.18$56.56190,425 shs$2.84 billion08/20/2025$57.41$57.01-0.70%$57.51$56.54345,987 shs$2.84 billion08/19/2025$56.68$57.41+1.29%$57.48$56.64191,029 shs$2.87 billion08/18/2025$55.79$56.68+1.60%$56.92$55.67329,607 shs$2.83 billion08/15/2025$56.75$55.79-1.69%$56.94$55.63329,824 shs$2.78 billion08/14/2025$57.51$56.75-1.32%$57.23$56.37460,054 shs$2.83 billion Related Companies Dayforce Stock Price Chart Aurora Innovation Stock Price Chart Procore Technologies Stock Price Chart ServiceTitan Stock Price Chart AppFolio Stock Price Chart KANZHUN Stock Price Chart Klaviyo Stock Price Chart Paylocity Stock Price Chart monday.com Stock Price Chart The Descartes Systems Group Stock Price Chart Receive ALRM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Alarm.com and its competitors with MarketBeat's FREE daily newsletter. 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