Close on 09 Oct 2026
All US Equities (S&P 500 / NASDAQ-100)

Aon plc

AONUS Listed
Exchange: NYSE · Market: US Equities · Currency: USD

Aon plc (AON) is a leading publicly traded corporation listed in the United States, constituent of the S&P 500 index.

Sector: Financials·Indices: S&P 500·Market Cap: $58.29B
Close on 16 Oct 2026
$292.55
+5.75 (+2.00%)
Last updated: 16 Oct 2026 (US Market EOD settlement)

Stock Snapshot & Key Numbers — Aon plc

Verified Daily Close

Official closing price, 1-year price range, valuation multiples, and market value from exchange records.

Last Session Move
Up +2.00% on 16 Oct 2026
Position vs 1-Year High
23.3% below 52W High
P/E Valuation Multiple
15.1x (Under 20x)
Annual Cash Dividend
1.20% Dividend Yield
Close on 16 Oct 2026
$292.55
+5.75 (+2.00%)vs prev close
1-Year Low to High Range21% of range
Low: $269High: $381
Valuation (P/E, P/B & Dividend)
P/E Ratio (Price / Profit):15.1x
P/B Ratio (Price / Book):6.1x
Dividend Yield:1.20%
Total Company Value (Market Cap)
$58.29B
Sector: Financials
Plain-English Company Summary

Aon plc (AON) is a US equity security listed on the NYSE. As of the last recorded market session on Close on 16 Oct 2026, the stock closed at $292.55, recording a +5.75 (+2.00%) advance from its previous close of $286.80. Over the trailing 52-week trading cycle, AON has traded between a 52-week low of $269.45 and a 52-week high of $381.26, establishing its annual trading channel. In historical performance, Aon plc has fallen 14.74% over the past 1 year. Period returns across standard measurement intervals include: 1-week: +6.98%, 1-month: -2.67%, 6-month: -12.76%, 1-year: -14.74%, 3-year: -10.74%, 5-year: -4.36%. Daily reported trading volume reached 1,840,100 equity shares. On key valuation multiples as of Oct 13, 2026, the company trades at a trailing price-to-earnings (P/E) multiple of 15.1x and a price-to-book (P/B) ratio of 6.1x, with a trailing dividend yield of 1.20%. Its market capitalization stands at $58.29B. The company is categorized under the Financials sector and S&P 500 industry within the US equities universe.

Price Chart

1Y: -14.74% (₹-50.57)
₹381₹343₹306₹269Thu, 16 Oct, 2025Fri, 16 Oct, 2026

Trading Multiples & Ranges

Price boundaries and liquidity distribution.

52-Week Range$269.45 – $381.26
Low: $269.45High: $381.26
$269.45$381.26
Trailing P/E Ratio15.15x
Price to Book (P/B)6.07x
Dividend Yield1.20%
Day High / Low$287.74 – $292.73
Daily Volume1.84M

Past Price Win/Loss Odds (1-Week, 1-Month, 3-Month)

How often this stock rose, stayed flat, or fell over past 21-day holding periods (based on historical data, not a future prediction).

1 Month Holding Period (21 trading days)
1,234 past 21-day periods analyzed
Fell 20.7%
Within ±5% (57.9%)
Rose 21.4%
Fell > 5%
20.7%
256 windows
Within ±5%
57.9%
715 windows
Rose > 5%
21.4%
263 windows
In 80% of past 1 month windows the move was within ±7.8%.
Historical outcomes of this stock's own price. Not a forecast. (1255 trading days of history).
How to read historical odds

At-a-Glance Health & Momentum Check

Market Mood: Expansionary / Momentum
News Activity
DECELERATING
Recent announcement pace
Profit & Margin Trend
CONTRACTING
Earnings & margin direction
Economy Sensitivity
MODERATE
Impact of rates, oil & FX
Broad Market Mood
Expansionary / Momentum
Current market trend
News Tone
NEUTRAL BALANCED
Recent filing tone
What This Means(based on reported financials)

While recent announcements reflect past operations, profit margins and return on capital have been tightening as the business absorbs higher costs or new expansion spending.

Active Risk Flags & Monitoring Constraints
Standard systemic equity market and interest rate cycle exposure

How Outside Factors Affect This Stock (Market, Crude Oil & Currency)

How closely this stock moved with the broader market index, crude oil, and the exchange rate over the past year.

Swing Rank: 50th percentile
Typical 1-Year Price Swing (Volatility): 28.3% annualized
Price Swing Level vs Market: Moderate Swings
Factor / Benchmark1Y Beta (Sensitivity)1Y Correlation (-1 to +1)What This Means
S&P 500-0.26-0.12Trailing 1Y historical sensitivity: a 1% move in S&P 500 coincided with a -0.26% co-movement (correlation: -0.12). Descriptive historical relationship, not predictive.
US 10Y Treasury Yield-0.13-0.07Trailing 1Y historical sensitivity: a 1% move in US 10Y Treasury Yield coincided with a -0.13% co-movement (correlation: -0.07). Descriptive historical relationship, not predictive.
Brent Crude Oil+0.01+0.01Trailing 1Y historical sensitivity: a 1% move in Brent Crude Oil coincided with a +0.01% co-movement (correlation: 0.01). Descriptive historical relationship, not predictive.
USD / INR+0.14+0.04Trailing 1Y historical sensitivity: a 1% move in USD / INR coincided with a +0.14% co-movement (correlation: 0.04). Descriptive historical relationship, not predictive.
How to read Beta & Correlation ( Beta > 1 = wider swings than market; < 1 = calmer )▾

Sensitivities measure historical 1-year regression beta and correlation across paired daily trading sessions over the past 252 trading days. Past relationships can shift over time and do not guarantee future co-movement.

Trailing Returns Breakdown

Calendar-aligned historical percentage performance across standard market windows.

PeriodStart PriceCurrent PriceReturn (%)
1 Week₹273.47₹292.55+6.98%
15 Days₹275.95₹292.55+6.02%
1 Month₹300.57₹292.55-2.67%
3 Months₹368.63₹292.55-20.64%
6 Months₹335.34₹292.55-12.76%
1 Year₹343.12₹292.55-14.74%
3 Years₹327.74₹292.55-10.74%
5 Years₹305.89₹292.55-4.36%

Price Swings & Biggest Historical Drops

How much this stock typically fluctuates and its largest peak-to-bottom drops over 1 and 5 years.

1Y Yearly Swing
28.3%
Annualized volatility
1Y Beta vs Index
-0.26
vs benchmark index
Biggest 1Y Drop
-29.3%
1Y peak-to-low drop
Biggest 5Y Drop
-34.2%
5Y peak-to-low drop
vs 52W High
-23.3%
Distance from 1Y high
vs 52W Low
+8.6%
Gain above 1Y low

Calendar-Year Historical Performance

Annual performance breakdown comparing first and last closing sessions of each calendar year.

Calendar YearStart CloseEnd CloseAnnual ReturnTrajectory Bar
CY 2026₹344.27₹292.55-15.0%
CY 2025₹354.98₹352.88-0.6%
CY 2024₹288.02₹359.16+24.7%
CY 2023₹299.42₹291.02-2.8%
CY 2022₹293.24₹300.14+2.4%
CY 2021₹305.89₹300.56-1.7%

Corporate Actions History

No dividend or stock split distributions recorded in historical feeds for AON.

Historical Investment Simulator

Factual simulation of past returns in Aon plc (AON) using real recorded closing prices.

₹1,00,000.00
5 Years
Principal Invested
₹1,00,000.00
₹1,00,000.00 starting capital
Portfolio Value Today
₹95,638.90
Based on latest close
Absolute Return
-4.4%
₹-4,361.10
Annualized (CAGR)
-0.9%
Compound annual growth
Entry Price: ₹305.89 · Exit Price: ₹292.55
Simulated 5Y period (INR)
No material filings, mega-tenders, or wire events detected in trailing 6-month observation window.

Why This Matters for the Business

Plain-English breakdown of how the selected announcement connects to revenue, costs, and business drivers.

Earnings & Operational Baseline

Aon plc trades at ₹292.55 within its 52-week band of ₹269 – ₹381. With fundamental momentum characterized as CONTRACTING, valuation is anchored by core cash generation in financials segments.

Cross-asset macro betas (Brent Crude, USD/INR, NIFTY) are mapped in the dedicated dependency engine.
View Graph
Evidence Integrity: Hypotheses and attribution models are anchored strictly in verified regulatory disclosures, public tenders, and audited financial statements across a trailing 6-month capital cycle.

Common Questions About Aon plc (AON)

Key facts on AON share price, historical returns, valuation ratios, and past SIP performance.

What is the current share price and 52-week range of Aon plc (AON)?

As of 16 Oct 2026, the official closing share price of Aon plc (AON) on NYSE is $292.55 (+2.00% vs the previous close). Over the past 52 weeks, AON has traded between a low of $269.45 and a high of $381.26, with a reported market capitalization of $58.29B.

What are the historical returns of Aon plc (AON)?

Based on split-adjusted closing prices through 16 Oct 2026, Aon plc (AON) recorded the following trailing price returns: 1 Week: +6.98% (from $273.47 to $292.55); 15 Days: +6.02% (from $275.95 to $292.55); 1 Month: -2.67% (from $300.57 to $292.55); 3 Months: -20.64% (from $368.63 to $292.55); 6 Months: -12.76% (from $335.34 to $292.55); 1 Year: -14.74% (from $343.12 to $292.55); 3 Years: -10.74% (from $327.74 to $292.55); 5 Years: -4.36% (from $305.89 to $292.55). Past performance reflects historical exchange records and does not predict future returns.

What is the P/E ratio, P/B ratio, and dividend yield of Aon plc (AON)?

Aon plc (AON) currently trades at a trailing Price-to-Earnings (P/E) ratio of 15.1x, a Price-to-Book (P/B) ratio of 6.1x, and a trailing 12-month dividend yield of 1.20%. It operates in the Financials sector (S&P 500).

How much would a past lump-sum or monthly SIP investment in AON have grown?

Based on historical closing prices for Aon plc (AON): A one-time lump-sum investment of $10000.00 held for 5 years would be worth $9563.89 (-4.4% total return, -0.9% CAGR), while a monthly SIP of $500.00 over 5 years (total invested: $30500.00) would be worth $27888.26 (-8.6% absolute return). You can test custom amounts and holding periods in the interactive calculator above.