KEYS vs. EFX

Last updated Aug 4, 2026

KEYS (Keysight Technologies, Inc.) and EFX (Equifax Inc.) are both stocks. KEYS operates in Scientific & Technical Instruments (Technology), while EFX operates in Consulting Services (Industrials). Over the past 10 years, KEYS returned 27.24%/yr vs 3.72%/yr for EFX. Their 0.39 correlation means their historical movements had little consistent relationship.

Performance

KEYS vs. EFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Keysight Technologies, Inc. (KEYS) and Equifax Inc. (EFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, KEYS achieves a 58.42% return, which is significantly higher than EFX's -19.26% return. Over the past 10 years, KEYS has outperformed EFX with an annualized return of 27.24%, while EFX has yielded a comparatively lower 3.72% annualized return.

KEYS

• 1D: 0.88%
• 1M: 2.56%
• 6M: 44.18%
• YTD: 58.42%
• 1Y: 102.85%
• 3Y*: 26.58%
• 5Y*: 14.01%
• 10Y*: 27.24%
• ALL TIME*: 22.17%

EFX

• 1D: 0.86%
• 1M: 1.19%
• 6M: -12.04%
• YTD: -19.26%
• 1Y: -26.68%
• 3Y*: -3.39%
• 5Y*: -6.72%
• 10Y*: 3.72%
• ALL TIME*: 11.57%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
EFX Equifax Inc.	$389.43M	$318.60M	$294.36M
KEYS Keysight Technologies, Inc.	$365.57M	$396.16M	$538.51M

KEYS vs. EFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
KEYS Keysight Technologies, Inc.	58.42%	26.50%	0.97%	-7.00%	-17.16%	56.34%	28.71%	65.32%	49.23%	13.75%
EFX Equifax Inc.	-19.26%	-14.19%	3.67%	28.18%	-33.09%	52.84%	39.00%	52.31%	-19.96%	0.95%

Correlation

The correlation between KEYS and EFX is -0.07, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.07
Correlation (3Y) Balances recent behavior with more history.	0.27
Correlation (5Y) Shows whether the relationship held over a longer period.	0.41
Correlation (10Y) Provides a long-term view across more market conditions.	0.38
Correlation (All Time) Calculated using the full available price history since Nov 3, 2014	0.39

The correlation between KEYS and EFX shifts across timeframes, from -0.07 (1 year) to 0.41 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap KEYS : $55.01B EFX : $20.46B
EPS KEYS : $6.07 EFX : $5.69
PE Ratio KEYS : 53.04 EFX : 30.63
PS Ratio KEYS : 12.74 EFX : 3.29
PB Ratio KEYS : 8.80 EFX : 4.74
Total Revenue (TTM) KEYS : $4.37B EFX : $6.44B
Gross Profit (TTM) KEYS : $2.70B EFX : $2.86B
EBITDA (TTM) KEYS : $997.00M EFX : $1.90B

Return for Risk

KEYS vs. EFX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

KEYS

KEYS Risk / Return Rank: 95
KEYS Sharpe Ratio Rank: 95
KEYS Sortino Ratio Rank: 94
KEYS Omega Ratio Rank: 94
KEYS Calmar Ratio Rank: 95
KEYS Martin Ratio Rank: 96

EFX

EFX Risk / Return Rank: 17
EFX Sharpe Ratio Rank: 13
EFX Sortino Ratio Rank: 15
EFX Omega Ratio Rank: 15
EFX Calmar Ratio Rank: 20
EFX Martin Ratio Rank: 20

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

KEYS vs. EFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Keysight Technologies, Inc. (KEYS) and Equifax Inc. (EFX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	KEYS	EFX	Difference
Sharpe ratio: Return per unit of total volatility	2.42	-0.70	+3.12
Sortino ratio: Return per unit of downside risk	3.25	-0.80	+4.05
Omega ratio: Gain probability vs. loss probability	1.43	0.90	+0.53
Calmar ratio: Return relative to maximum drawdown	5.04	-0.64	+5.68
Martin ratio: Return relative to average drawdown	16.08	-1.07	+17.15

KEYS vs. EFX - Sharpe Ratio Comparison

The current KEYS Sharpe Ratio is 2.42, which is higher than the EFX Sharpe Ratio of -0.70. The chart below compares the historical Sharpe Ratios of KEYS and EFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

KEYS vs. EFX - Drawdown Comparison

The maximum KEYS drawdown since its inception was -45.54%, smaller than the maximum EFX drawdown of -56.83%. Use the drawdown chart below to compare losses from any high point for KEYS and EFX.

Drawdown Indicators

	KEYS	EFX	Difference
Max Drawdown Largest peak-to-trough decline	-45.54%	-56.83%	+11.29%
Max Drawdown (1Y) Largest decline over 1 year	-20.52%	-41.59%	+21.07%
Max Drawdown (3Y) Largest decline over 3 years	-31.38%	-49.69%	+18.31%
Max Drawdown (5Y) Largest decline over 5 years	-42.62%	-49.69%	+7.07%
Max Drawdown (10Y) Largest decline over 10 years	-42.62%	-49.69%	+7.07%
Current Drawdown Current decline from peak	-13.78%	-42.35%	+28.57%
Average Drawdown Average peak-to-trough decline	-13.94%	-15.39%	+1.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.42%	24.96%	-18.54%

Volatility

KEYS vs. EFX - Volatility Comparison

The current volatility for Keysight Technologies, Inc. (KEYS) is 10.84%, while Equifax Inc. (EFX) has a volatility of 14.17%. This indicates that KEYS experiences smaller price fluctuations and is considered to be less risky than EFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KEYS	EFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.84%	14.17%	-3.33%
Volatility (6M) Calculated over the trailing 6-month period	36.01%	32.23%	+3.78%
Volatility (1Y) Calculated over the trailing 1-year period	42.86%	38.45%	+4.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.83%	34.19%	-0.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.60%	31.92%	+0.68%

Dividends

KEYS vs. EFX - Dividend Comparison

KEYS has not paid dividends to shareholders, while EFX's dividend yield for the trailing twelve months is around 1.22%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EFX Equifax Inc.	1.22%	0.87%	0.61%	0.63%	0.80%	0.53%	0.81%	1.11%	1.68%	1.32%	1.12%	1.04%
KEYS Keysight Technologies, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both KEYS and EFX in my portfolio?

KEYS and EFX have a correlation of -0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KEYS or EFX?

EFX has higher volatility (14.17%) compared to KEYS (10.84%). In terms of maximum drawdown, KEYS dropped -45.54% vs EFX's -56.83%.

Which has better risk-adjusted returns?

KEYS currently has the higher Sharpe Ratio (2.42 vs -0.70), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.