AON
Lowest PEG Ratio
0.11
Aon plc PEG
0.56
Median S&P 500 PEG
51
Companies Analyzed

S&P 500 PEG Ratio Rankings 2026 -

Sector Breakdown: Average PEG Ratios

Real Estate (1)
0.21
Financial Services (10)
0.42
Energy (1)
0.56
Technology (7)
0.62
Healthcare (8)
0.90
Basic Materials (3)
0.93
Consumer Cyclical (5)
1.98
Industrials (9)
2.11
Utilities (5)
2.14
Consumer Defensive (2)
3.33

Full Rankings: S&P 500 PEG Ratios

Ticker ↕ Company ↕ Sector ↕ Price ↕ P/E ↕ Fwd P/E ↕ Implied Grwth ↕ PEG ↕ Mkt Cap ↕
AON Aon plc Financial Services $335.04 19.67 15.56 138.30% 0.11 $72.01B
CVS CVS Health Corporation Healthcare $77.69 55.89 9.50 76.60% 0.12 $98.83B
DAL Delta Air Lines, Inc. Industrials $58.68 7.66 7.10 44.60% 0.16 $38.33B
CIEN Ciena Corporation Technology $310.11 364.84 38.33 232.30% 0.16 $43.87B
BR Broadridge Financial Solutions, Technology $189.33 20.94 18.29 101.70% 0.18 $22.10B
CPT Camden Property Trust Real Estate $104.29 29.46 59.75 287.60% 0.21 $11.10B
DELL Dell Technologies Inc. Technology $143.12 16.47 10.01 45.40% 0.22 $95.92B
FIX Comfort Systems USA, Inc. Industrials $1324.25 45.81 29.89 129.50% 0.23 $46.71B
CCL Carnival Corporation Consumer Cyclical $25.08 12.42 8.90 35.80% 0.25 $34.74B
CFG Citizens Financial Group, Inc. Financial Services $56.58 14.66 8.99 34.80% 0.26 $24.30B
ELV Elevance Health, Inc. Healthcare $278.95 11.07 9.44 36.30% 0.26 $61.57B
CRH CRH PLC Basic Materials $103.67 18.81 15.69 48.40% 0.32 $69.45B
BX Blackstone Inc. Financial Services $109.33 28.18 13.79 42.50% 0.32 $134.44B
COF Capital One Financial Corporati Financial Services $181.15 53.91 7.37 22.20% 0.33 $112.66B
SCHW Charles Schwab Corporation (The Financial Services $93.26 20.06 13.73 41.10% 0.33 $165.72B
CB Chubb Limited Financial Services $322.82 12.57 11.11 27.90% 0.40 $127.05B
BK The Bank of New York Mellon Cor Financial Services $113.72 15.37 12.16 30.50% 0.40 $79.30B
CMI Cummins Inc. Industrials $538.08 26.26 17.22 41.40% 0.42 $74.34B
GLW Corning Incorporated Technology $124.74 68.54 32.26 77.40% 0.42 $107.02B
EME EMCOR Group, Inc. Industrials $703.38 24.98 22.27 53.00% 0.42 $31.49B
BDX Becton, Dickinson and Company Healthcare $163.97 26.79 12.15 28.60% 0.42 $59.41B
BAC Bank of America Corporation Financial Services $47.14 12.37 9.51 21.20% 0.45 $344.24B
CF CF Industries Holdings, Inc. Basic Materials $116.31 12.97 16.67 37.10% 0.45 $18.14B
APH Amphenol Corporation Technology $133.94 40.10 26.03 57.60% 0.45 $164.64B
DG Dollar General Corporation Consumer Defensive $145.03 25.05 20.07 43.80% 0.46 $31.92B
CTRA Coterra Energy Inc. Energy $31.43 14.03 11.55 20.60% 0.56 $23.87B
DPZ Domino's Pizza Inc Consumer Cyclical $409.47 23.32 19.02 30.10% 0.63 $13.77B
AIZ Assurant, Inc. Financial Services $218.33 12.90 9.81 15.10% 0.65 $10.93B
DTE DTE Energy Company Utilities $148.34 21.10 17.90 25.50% 0.70 $30.83B
AOS A.O. Smith Corporation Industrials $69.56 18.07 16.01 19.10% 0.84 $9.62B
AXP American Express Company Financial Services $298.58 19.41 14.84 16.60% 0.89 $205.68B
CAH Cardinal Health, Inc. Healthcare $218.30 31.41 18.85 19.40% 0.97 $51.37B
AEE Ameren Corporation Utilities $110.69 20.69 19.11 19.50% 0.98 $30.60B
BSX Boston Scientific Corporation Healthcare $71.69 36.95 18.29 18.50% 0.99 $106.37B
ETN Eaton Corporation, PLC Industrials $344.67 32.92 22.44 18.90% 1.19 $134.18B
CPAY Corpay, Inc. Technology $324.93 21.62 10.96 9.00% 1.22 $22.73B
COR Cencora, Inc. Healthcare $358.58 43.10 18.27 14.80% 1.23 $69.75B
DECK Deckers Outdoor Corporation Consumer Cyclical $102.12 14.51 13.95 11.00% 1.27 $14.88B
DVA DaVita Inc. Healthcare $152.06 15.99 9.36 6.50% 1.44 $10.17B
DRI Darden Restaurants, Inc. Consumer Cyclical $197.15 20.64 17.31 11.80% 1.47 $22.93B
ANET Arista Networks, Inc. Technology $134.82 49.03 31.80 19.10% 1.66 $169.78B
DHR Danaher Corporation Healthcare $196.59 39.16 21.57 12.50% 1.73 $139.01B
APD Air Products and Chemicals, Inc Basic Materials $274.63 N/A 19.59 9.70% 2.02 $61.15B
ATO Atmos Energy Corporation Utilities $184.43 24.01 20.91 9.40% 2.22 $30.51B
CMS CMS Energy Corporation Utilities $76.95 21.80 18.44 6.60% 2.79 $23.58B
EMR Emerson Electric Company Industrials $137.46 33.69 19.14 4.90% 3.91 $77.29B
CNP CenterPoint Energy, Inc (Holdin Utilities $43.40 27.12 20.79 5.20% 4.00 $28.33B
ALLE Allegion plc Industrials $148.74 19.99 15.69 3.30% 4.75 $12.81B
KO Coca-Cola Company (The) Consumer Defensive $77.42 25.47 22.34 3.60% 6.21 $333.03B
CMG Chipotle Mexican Grill, Inc. Consumer Cyclical $34.47 30.23 25.17 4.00% 6.29 $45.57B
AME AMETEK, Inc. Industrials $221.51 34.67 25.41 3.60% 7.06 $50.99B

Frequently Asked Questions

What is a PEG ratio?

The Price/Earnings-to-Growth (PEG) ratio is a valuation metric that determines the relative trade-off between the price of a stock, the earnings generated per share (EPS), and the company's expected growth. It is calculated by dividing a stock's P/E ratio by its expected earnings growth rate.

What is considered a 'good' PEG ratio?

Traditionally, a PEG ratio of 1.0 is considered 'fairly valued'. A ratio below 1.0 suggests a stock may be undervalued relative to its growth prospects, while a ratio above 1.0 indicates it may be overvalued. However, this varies by industry and market conditions.

How does the S&P 500 average PEG ratio compare historically?

Historically, the S&P 500 has traded at a PEG ratio closer to 1.0 to 1.5. In recent years, due to low interest rates and high growth expectations for tech companies, the market average PEG has expanded, often trading above 1.5.

What are the limitations of the PEG ratio?

The PEG ratio relies heavily on future earnings growth estimates, which are notoriously difficult to predict accurately. Additionally, it may not be suitable for companies without earnings, companies with erratic earnings histories, or asset-heavy industries like real estate.

Why do some tech companies have high PEG ratios?

Many tech companies trade at high PEG ratios because investors are willing to pay a premium for their strong market positions, high margins, and perceived safety, even if their near-term growth rates don't perfectly align with the traditional 1.0 PEG rule.

Methodology & Data Sources

This study analyzes companies currently listed in the S&P 500 index. Financial metrics, including current price, trailing P/E, forward P/E, and PEG ratios, were retrieved using public API endpoints (such as Yahoo Finance) as of the publication date in 2026.

The PEG ratio used in this study represents the standard 5-year expected PEG ratio, computed based on analysts' consensus estimates for future earnings growth. Companies with negative P/E ratios or incomplete forward growth estimates were excluded from the final rankings. Implied 5-year growth is estimated based on Forward P/E divided by the PEG ratio where direct growth metrics were unavailable.

Data validation ensures realistic boundaries; PEG ratios falling outside the standard 0.1 to 10 range were manually reviewed or excluded to prevent data anomalies from skewing sector averages.