KEYS vs. TDY: Keysight vs. Teledyne Stock Comparison

November 11, 2026

How do Keysight (KEYS) and Teledyne (TDY) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Keysight (KEYS) and Teledyne (TDY) are both classified in the Electronic Equipment & Instruments sub-industry within the broader Electronic Equipment, Instruments & Components industry, placing them in the closest GICS peer bucket.

Company profile comparison for Keysight (KEYS) and Teledyne (TDY)
Profile Item	KEYS	TDY
Name	Keysight Technologies, Inc.	Teledyne Technologies Incorporated
Country/Region	United States	United States
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Technology Hardware & Equipment	Technology Hardware & Equipment
GICS Industry	Electronic Equipment, Instruments & Components	Electronic Equipment, Instruments & Components
GICS Sub-Industry	Electronic Equipment & Instruments	Electronic Equipment & Instruments
Market Capitalization	46.33 billion USD	28.68 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	October 20, 2014	November 23, 1999
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

KEYS

TDY

GSPC

Keysight (KEYS) vs. Teledyne (TDY), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Keysight (KEYS) and Teledyne (TDY). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Keysight (KEYS) and Teledyne (TDY). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Keysight (KEYS) and Teledyne (TDY)
Metric	KEYS	TDY
Total Return (1Y)	59.88%	25.47%
Total Return (3Y, Annualized)	33.36%	19.59%
Total Return (5Y, Annualized)	9.24%	7.96%

Risk Profile

Drawdown History

KEYS

TDY

GSPC

Keysight (KEYS) vs. Teledyne (TDY), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Keysight (KEYS) and Teledyne (TDY). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Keysight (KEYS) and Teledyne (TDY)
Metric	KEYS	TDY
Volatility (1Y, Annualized)	47.95%	27.63%
Beta (5Y)	1.22	0.88
Max Drawdown (5Y)	-42.62%	-32.24%
Avg. Volume (3M)	1.31M	304.37K

Risk-Adjusted Performance

Risk-Return Positioning

KEYS and TDY are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Keysight (KEYS) and Teledyne (TDY)
Metric	KEYS	TDY
Sharpe Ratio (1Y)	1.16	0.77
Sortino Ratio (1Y)	1.82	1.19

Profitability

ROE (TTM)

Keysight (KEYS) at 20.90% sits in the top ROE quartile, while Teledyne (TDY) at 9.47% is closer to the peer norm — stronger capital efficiency for KEYS.

KEYS

Technology Hardware & Equipment industry group

20.90%

Max: 42.47%
KEYS: 20.90%
Q3: 19.13%
Median: 11.00%
Q1: 1.63%
Min: -20.62%

TDY

Technology Hardware & Equipment industry group

9.47%

Max: 42.47%
Q3: 19.13%
Median: 11.00%
TDY: 9.47%
Q1: 1.63%
Min: -20.62%

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their ROE against the Technology Hardware & Equipment industry group benchmark.

Net Margin (TTM)

For every dollar of sales, both Keysight (KEYS) at 19.14% and Teledyne (TDY) at 15.75% retain more as net profit than most peers, landing in the top net margin quartile of their industries.

KEYS

Technology Hardware & Equipment industry group

19.14%

Max: 27.60%
KEYS: 19.14%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

TDY

Technology Hardware & Equipment industry group

15.75%

Max: 27.60%
TDY: 15.75%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their net margin against the Technology Hardware & Equipment industry group benchmark.

Operating Margin (TTM)

Both Keysight (KEYS) at 25.68% and Teledyne (TDY) at 20.76% convert sales into operating profit at a top-quartile rate, pointing to tighter cost discipline before financing and tax.

KEYS

Technology Hardware & Equipment industry group

25.68%

Max: 36.27%
KEYS: 25.68%
Q3: 18.36%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

TDY

Technology Hardware & Equipment industry group

20.76%

Max: 36.27%
TDY: 20.76%
Q3: 18.36%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their operating margin against the Technology Hardware & Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Keysight (KEYS) and Teledyne (TDY)
Metric	KEYS	TDY
ROE (TTM)	20.90%	9.47%
ROA (TTM)	7.23%	5.31%
Net Margin (TTM)	19.14%	15.75%
Operating Margin (TTM)	25.68%	20.76%
Gross Margin (TTM)	63.28%	43.60%

Growth

Revenue Growth

Both Keysight (KEYS) at 7.95% and Teledyne (TDY) at 7.86% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both Keysight (KEYS) at 39.32% and Teledyne (TDY) at 9.70% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Keysight (KEYS) and Teledyne (TDY)
Metric	KEYS	TDY
Revenue Growth (YoY)	7.95%	7.86%
Revenue Growth (3Y CAGR)	-0.28%	3.86%
EPS Growth (YoY)	39.32%	9.70%
EPS Growth (3Y CAGR)	-7.51%	4.53%

Financial Strength

Current Ratio (MRQ)

Both Keysight (KEYS) at 2.02 and Teledyne (TDY) at 2.31 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

KEYS

Technology Hardware & Equipment industry group

2.02

Max: 5.34
Q3: 3.02
KEYS: 2.02
Median: 1.95
Q1: 1.32
Min: 0.17

TDY

Technology Hardware & Equipment industry group

2.31

Max: 5.34
Q3: 3.02
TDY: 2.31
Median: 1.95
Q1: 1.32
Min: 0.17

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their current ratio against the Technology Hardware & Equipment industry group benchmark.

Debt / Equity (MRQ)

Both Keysight (KEYS) at 0.42 and Teledyne (TDY) at 0.18 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

KEYS

Technology Hardware & Equipment industry group

0.42

Max: 1.76
Q3: 0.78
KEYS: 0.42
Median: 0.24
Q1: 0.04
Min: 0.01

TDY

Technology Hardware & Equipment industry group

0.18

Max: 1.76
Q3: 0.78
Median: 0.24
TDY: 0.18
Q1: 0.04
Min: 0.01

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their debt-to-equity ratio against the Technology Hardware & Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Keysight (KEYS) and Teledyne (TDY)
Metric	KEYS	TDY
Current Ratio (MRQ)	2.02	2.31
Debt / Equity (MRQ)	0.42	0.18
Net Debt / EBITDA	0.09	0.88

Dividends

Dividend Yield (TTM)

Neither Keysight (KEYS) nor Teledyne (TDY) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

KEYS

Technology Hardware & Equipment industry group

0.00%

Max: 0.73%
Q3: 0.31%
KEYS: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

TDY

Technology Hardware & Equipment industry group

0.00%

Max: 0.73%
Q3: 0.31%
TDY: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their dividend yield against the Technology Hardware & Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Neither Keysight (KEYS) nor Teledyne (TDY) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

KEYS

Technology Hardware & Equipment industry group

0.00%

Max: 32.27%
Q3: 14.48%
KEYS: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

TDY

Technology Hardware & Equipment industry group

0.00%

Max: 32.27%
Q3: 14.48%
TDY: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their payout ratio against the Technology Hardware & Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Keysight (KEYS) and Teledyne (TDY)
Metric	KEYS	TDY
Dividend Yield (TTM)	0.00%	0.00%
Dividend Payout Ratio (TTM)	0.00%	0.00%

Valuation

P/E Ratio (TTM)

Both Keysight (KEYS) at 36.82 and Teledyne (TDY) at 28.32 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

KEYS

Technology Hardware & Equipment industry group

36.82

Max: 69.48
Q3: 41.02
KEYS: 36.82
Median: 26.39
Q1: 19.36
Min: 6.07

TDY

Technology Hardware & Equipment industry group

28.32

Max: 69.48
Q3: 41.02
TDY: 28.32
Median: 26.39
Q1: 19.36
Min: 6.07

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their P/E ratio against the Technology Hardware & Equipment industry group benchmark.

P/S Ratio (TTM)

Teledyne (TDY) at 4.40 is priced about in line with its industry on P/S ratio, while Keysight (KEYS) at 7.04 sits in the pricier quartile — KEYS costs more per dollar of sales.

KEYS

Technology Hardware & Equipment industry group

7.04

Max: 11.30
KEYS: 7.04
Q3: 5.82
Median: 2.56
Q1: 1.05
Min: 0.00

TDY

Technology Hardware & Equipment industry group

4.40

Max: 11.30
Q3: 5.82
TDY: 4.40
Median: 2.56
Q1: 1.05
Min: 0.00

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their P/S ratio against the Technology Hardware & Equipment industry group benchmark.

P/B Ratio (MRQ)

Teledyne (TDY) at 2.57 is valued about in line with its industry on P/B ratio, while Keysight (KEYS) at 7.05 carries an above-peer premium to book — KEYS is pricier on assets.

KEYS

Technology Hardware & Equipment industry group

7.05

Max: 10.75
KEYS: 7.05
Q3: 5.52
Median: 3.17
Q1: 1.79
Min: 0.33

TDY

Technology Hardware & Equipment industry group

2.57

Max: 10.75
Q3: 5.52
Median: 3.17
TDY: 2.57
Q1: 1.79
Min: 0.33

Keysight (KEYS) vs. Teledyne (TDY): A comparison of their P/B ratio against the Technology Hardware & Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Keysight (KEYS) and Teledyne (TDY)
Metric	KEYS	TDY
P/E Ratio (TTM)	36.82	28.32
P/S Ratio (TTM)	7.04	4.40
P/B Ratio (MRQ)	7.05	2.57
Free Cash Flow Yield (TTM)	4.03%	3.33%