Allison Transmission (ALSN) Stock Chart & Stock Price History $87.34 -0.40 (-0.45%) Closing price 08/29/2025 03:59 PM EasternExtended Trading$87.48 +0.14 (+0.16%) As of 08/29/2025 07:57 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Allison Transmission Stock Price Performance The Allison Transmission (ALSN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 5.83%, with a year-to-date return of -19.17%. In the past month, the stock has decreased 3.03%, reflecting recent market activity. As of the latest close, Allison Transmission traded at $87.35 with a market cap of $7.30 billion and volume of 822,328 shares. Five years ago, the stock traded at $35.87, representing a 143.50% increase over that period. At the time, it had a market cap of $4.10 billion and a volume of 907,900 shares. Receive ALSN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Allison Transmission and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Read our full terms of service and privacy policy. 5 Day Performance-1.22%1 Month Performance-3.03%3 Month Performance-15.62%Year-To-Date Performance-19.17%1 Year Performance-5.83%5 Year Performance+143.50% ALSN Stock Chart for Sunday, August, 31, 2025 ALSN Chart by TradingView Allison Transmission 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 Capitalization08/29/2025$87.77$87.35-0.48%$88.11$86.97822,328 shs$7.30 billion08/28/2025$89.29$87.77-1.70%$89.52$87.521.08 million shs$7.34 billion08/27/2025$88.42$89.29+0.98%$89.46$87.79771,465 shs$7.47 billion08/26/2025$88.35$88.42+0.08%$89.13$88.03996,355 shs$7.39 billion08/25/2025$89.18$88.35-0.93%$89.67$88.30847,286 shs$7.39 billion08/22/2025$86.46$89.18+3.14%$90.00$86.42706,329 shs$7.46 billion08/21/2025$87.20$86.46-0.85%$87.60$86.141.32 million shs$7.23 billion08/20/2025$87.81$87.20-0.70%$87.74$86.60638,444 shs$7.29 billion08/19/2025$88.35$87.81-0.61%$89.34$87.54518,369 shs$7.34 billion08/18/2025$86.91$88.35+1.66%$88.49$87.19843,450 shs$7.39 billion Get the Latest News and Ratings for ALSN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Allison Transmission and its competitors with MarketBeat's FREE daily newsletter. 08/15/2025$88.97$86.91-2.31%$89.16$86.141.32 million shs$7.27 billion08/14/2025$90.68$88.97-1.89%$90.76$88.22874,142 shs$7.44 billion08/13/2025$91.12$90.68-0.49%$91.43$90.251.66 million shs$7.58 billion08/12/2025$88.31$91.12+3.19%$91.25$88.45753,179 shs$7.62 billion08/11/2025$87.73$88.31+0.66%$88.80$87.55786,805 shs$7.38 billion08/08/2025$87.52$87.73+0.24%$88.37$87.34674,701 shs$7.34 billion08/07/2025$88.18$87.52-0.75%$89.66$87.23713,025 shs$7.37 billion08/06/2025$86.38$88.18+2.08%$88.31$85.671.21 million shs$7.43 billion08/05/2025$88.11$86.38-1.96%$87.79$83.732.29 million shs$7.28 billion08/04/2025$87.72$88.11+0.45%$89.02$87.641.30 million shs$7.42 billion08/01/2025$90.07$87.72-2.61%$89.04$87.171.29 million shs$7.39 billion07/31/2025$87.03$90.07+3.49%$90.14$86.901.34 million shs$7.59 billion07/30/2025$88.41$87.03-1.56%$88.85$86.58585,233 shs$7.33 billion Related Companies Gentex Stock Chart LKQ Stock Chart CarParts.com Stock Chart Caterpillar Stock Chart Cummins Stock Chart ITT Stock Chart Modine Manufacturing Stock Chart Oshkosh Stock Chart Aptiv Stock Chart BorgWarner Stock Chart Receive ALSN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Allison Transmission and its competitors with MarketBeat's FREE daily newsletter. 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