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

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

• Aon plc’s current stock price and volume
• Why Aon plc’s stock price changed recently
• Upgrades and downgrades for AON from analysts
• AON’s stock price momentum as measured by its relative strength

About Aon plc (AON)

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

Aon plc operates as a professional services firm in the United States, rest of the Americas, the United Kingdom, Ireland, rest of Europe, the Middle East, Africa, and the Asia Pacific. It operates through Risk Capital and Human Capital segments. The company offers commercial risk solutions comprising retail and insurance brokerage, specialty solutions, global risk consulting, captives management, and affinity programs; health solutions, such as consulting and brokerage, consumer benefits, and talent advisory services; and wealth solutions, including retirement consulting and investments. It also provides treaty and facultative reinsurance; strategy and technology group solutions; insurance-linked securities, capital raising, strategic advice, restructuring, and merger and acquisition services; and risk management products and solutions, capital market solutions, and corporate finance advisory services. In addition, the company offers strategic design advice and actuarial services; pension risk transfer and integrated pension administration; and investment advisory services on developing and maintaining investment programs across various plan types, including defined benefit plans, defined contribution plans, master trusts, and pooled employer plans for corporations, public pensions, endowments, and foundations. Aon plc was incorporated in 1979 and is headquartered in Dublin, Ireland.

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Aon plc’s Stock Price as of Market Close

As of July 31, 2026, 4:00 PM, CST, Aon plc’s stock price was $360.550.

Aon plc is down 1.64% from its previous closing price of $366.570.

During the last market session, Aon plc’s stock traded between $359.780 and $365.020. Currently, there are approximately 213.20 million shares outstanding for Aon plc.

Aon plc’s price-earnings (P/E) ratio is currently at 19.9, which is high compared to the Insurance industry median of 12.9. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Aon plc Stock Price History

Aon plc’s (AON) price is currently up 8.7% so far this month.

During the month of July, Aon plc’s stock price has reached a high of $382.340 and a low of $327.830.

Over the last year, Aon plc has hit prices as high as $382.340 and as low as $304.590. Year to date, Aon plc’s stock is up 2.17%.

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What Caused Aon plc 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 31, 2026, there were 0 analysts who downgraded Aon plc’s stock and 1 analyst who upgraded over the last month.

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

Aon plc’s current valuation based on AAII’s Value Grade is a D, which means it is considered to be Expensive.

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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 Aon plc (AON) by visiting AAII Stock Evaluator.

Relative Price Strength of Aon plc

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 31, 2026, Aon plc has a weighted four-quarter relative price strength of -0.06%, which translates to a Momentum Score of 53 and is considered to be Average.

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Aon plc Stock Price: Bottom Line

As of July 31, 2026, Aon plc’s stock price is $360.550, which is down 1.64% 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 Aon plc stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

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