Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Allison Transmission Holdings, Inc. before investing.

In this article, we go over a few key elements for understanding Allison Transmission Holdings, Inc.’s stock price such as:

• Allison Transmission Holdings, Inc.’s current stock price and volume
• Why Allison Transmission Holdings, Inc.’s stock price changed recently
• Upgrades and downgrades for ALSN from analysts
• ALSN’s stock price momentum as measured by its relative strength

About Allison Transmission Holdings, Inc. (ALSN)

Before we jump into Allison Transmission Holdings, Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

Allison Transmission Holdings, Inc., together with its subsidiaries, designs, manufactures, and sells fully automatic transmissions for medium- and heavy-duty commercial vehicles and medium- and heavy-tactical U.S. defense vehicles, and electrified propulsion systems worldwide. It offers transmissions for various applications, including distribution, refuse, construction, fire, and emergency on-highway trucks; school and transit buses; motor homes; energy, mining, and construction of off-highway vehicles and equipment; and wheeled and tracked defense vehicles. The company also provides its transmissions and electric propulsion solutions under the Allison Transmission brand name; and remanufactured transmissions under the ReTran brand name. In addition, it sells branded replacement parts, support equipment, aluminum die cast components, and other products necessary to service the installed base of vehicles utilizing its solutions, as well as defense kits, engineering services, and extended transmission coverage services to various original equipment manufacturers, distributors, and the U.S. government. The company was formerly known as Clutch Holdings, Inc. Allison Transmission Holdings, Inc. was founded in 1915 and is headquartered in Indianapolis, Indiana.

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Allison Transmission Holdings, Inc.’s Stock Price as of Market Close

As of May 21, 2026, 1:00 PM, CST, Allison Transmission Holdings, Inc.’s stock price was $106.440.

Allison Transmission Holdings, Inc. is down 1.76% from its previous closing price of $108.350.

During the last market session, Allison Transmission Holdings, Inc.’s stock traded between $106.120 and $109.270. Currently, there are approximately 83.00 million shares outstanding for Allison Transmission Holdings, Inc..

Allison Transmission Holdings, Inc.’s price-earnings (P/E) ratio is currently at 16.9, which is low compared to the Machinery industry median of 26.7. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Allison Transmission Holdings, Inc. Stock Price History

Allison Transmission Holdings, Inc.’s (ALSN) price is currently down 20.77% so far this month.

During the month of May, Allison Transmission Holdings, Inc.’s stock price has reached a high of $134.750 and a low of $106.120.

Over the last year, Allison Transmission Holdings, Inc. has hit prices as high as $137.620 and as low as $76.010. Year to date, Allison Transmission Holdings, Inc.’s stock is up 8.72%.

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What Caused Allison Transmission Holdings, Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

One of the most common factors that can drastically impact a stock’s price is analyst upgrades and downgrades. When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. However, as of May 20, 2026,, no analysts have changed their rating of Allison Transmission Holdings, Inc.’s stock over the last month.

Additionally, you'll want to evaluate Allison Transmission Holdings, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Allison Transmission Holdings, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Allison Transmission Holdings, Inc.’s current valuation based on AAII’s Value Grade is a C, which means it is considered to be Average.

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Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Allison Transmission Holdings, Inc. (ALSN) by visiting AAII Stock Evaluator.

Relative Price Strength of Allison Transmission Holdings, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of May 20, 2026, Allison Transmission Holdings, Inc. has a weighted four-quarter relative price strength of -4.61%, which translates to a Momentum Score of 45 and is considered to be Average.

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Allison Transmission Holdings, Inc. Stock Price: Bottom Line

As of May 21, 2026, Allison Transmission Holdings, Inc.’s stock price is $106.440, which is down 1.76% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Allison Transmission Holdings, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.