Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Kirby Corporation before investing.

In this article, we go over a few key elements for understanding Kirby Corporation’s stock price such as:

• Kirby Corporation’s current stock price and volume
• Why Kirby Corporation’s stock price changed recently
• Upgrades and downgrades for KEX from analysts
• KEX’s stock price momentum as measured by its relative strength

About Kirby Corporation (KEX)

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

Kirby Corporation operates domestic tank barges in the United States. Its Marine Transportation segment provides marine transportation service and towing vessels transporting bulk liquid product, as well as operates tank barges throughout the Mississippi River System, on the Gulf Intracoastal Waterway, and coastwise along three United States coasts, Alaska, and Hawaii. It transports petrochemicals, black oils, refined petroleum products, and agricultural chemicals by tank barges; and operates offshore dry-bulk barges and tugboat units that are involved in the offshore transportation of dry-bulk cargos in the United States coastal trade. It owns and operates 1,105 inland tank barges, approximately 266 inland towboats, 28 coastal tank barges, 24 coastal tugboats, 2 offshore dry-bulk cargo barges, 3 offshore tugboats, and a docking tugboat. Its Distribution and Services segment sells after-market service and genuine replacement parts for engines, transmissions, reduction gears, electric motors, drives, and controls, electrical distribution and control systems, energy storage battery systems, and related oilfield service equipment; rebuilds component parts or diesel engines, transmissions and reduction gears, and related equipment for use in oilfield services, marine, power generation, on-highway, and other industrial applications; rents generators, industrial compressors, high capacity lift trucks, and refrigeration trailers; and manufactures and remanufactures oilfield service equipment, including pressure pumping units, as well as manufacturers electric power generation equipment, specialized electrical distribution and control equipment, and high capacity energy storage/battery systems. It serves various companies in the United States government, and pleasure crafts. The company was formerly known as Kirby Exploration Company, Inc. and changed its name to Kirby Corporation in 1990. Kirby Corporation was founded in 1921 and is headquartered in Houston, Texas.

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Kirby Corporation’s Stock Price as of Market Close

As of July 30, 2026, 2:01 PM, CST, Kirby Corporation’s stock price was $130.355.

Kirby Corporation is down 0.55% from its previous closing price of $131.070.

During the last market session, Kirby Corporation’s stock traded between $129.210 and $133.300. Currently, there are approximately 53.66 million shares outstanding for Kirby Corporation.

Kirby Corporation’s price-earnings (P/E) ratio is currently at 20.1, which is high compared to the Marine Transportation industry median of 15.4. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Kirby Corporation Stock Price History

Kirby Corporation’s (KEX) price is currently down 4.13% so far this month.

During the month of July, Kirby Corporation’s stock price has reached a high of $151.520 and a low of $128.580.

Over the last year, Kirby Corporation has hit prices as high as $157.690 and as low as $79.515. Year to date, Kirby Corporation’s stock is up 18.31%.

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What Caused Kirby Corporation 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?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of July 29, 2026, there was 1 analyst who downgraded Kirby Corporation’s stock and 0 analysts who upgraded over the last month.

Additionally, you'll want to evaluate Kirby Corporation’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 Kirby Corporation’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Kirby Corporation’s current valuation based on AAII’s Value Grade is a B, which means it is considered to be Value.

Learn how to evaluate stocks with AAII Grades and Scores with A+ Investor today.

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 Kirby Corporation (KEX) by visiting AAII Stock Evaluator.

Relative Price Strength of Kirby Corporation

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 July 29, 2026, Kirby Corporation has a weighted four-quarter relative price strength of -1.03%, which translates to a Momentum Score of 46 and is considered to be Average.

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Kirby Corporation Stock Price: Bottom Line

As of July 30, 2026, Kirby Corporation’s stock price is $130.355, which is down 0.55% 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 Kirby Corporation 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.