Keysight [KEYS] vs MKS Instruments [MKSI] Detailed Stock Comparison

Keysight Technologies Inc.

NYSE
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MKS Instruments Inc.

NASDAQ
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TLDR: Quick Comparison Summary

Based on 21 vital metrics comparison: Keysight Technologies Inc. wins in 14 metrics, MKS Instruments Inc. wins in 6 metrics, with 0 ties. Keysight Technologies Inc. appears stronger overall.

View Metrics Details

Vital Metrics Comparison

Metric Keysight Technologies Inc. MKS Instruments Inc. Better
P/E Ratio (TTM) 59.84 62.50 Keysight Technologies Inc.
Price-to-Book Ratio 9.38 6.77 MKS Instruments Inc.
Debt-to-Equity Ratio 44.67 164.69 Keysight Technologies Inc.
PEG Ratio 0.87 3.22 Keysight Technologies Inc.
EV/EBITDA 45.71 24.76 MKS Instruments Inc.
Profit Margin (TTM) 16.95% 7.50% Keysight Technologies Inc.
Operating Margin (TTM) 16.31% 14.23% Keysight Technologies Inc.
EBITDA Margin (TTM) 16.31% 14.23% Keysight Technologies Inc.
Return on Equity 17.22% 11.70% Keysight Technologies Inc.
Return on Assets (TTM) 5.82% 3.98% Keysight Technologies Inc.
Free Cash Flow (TTM) $1.28B $497.00M Keysight Technologies Inc.
Dividend Yield N/A 0.45% N/A
1-Year Return 121.68% 298.00% MKS Instruments Inc.
Price-to-Sales Ratio (TTM) 10.25 4.69 MKS Instruments Inc.
Enterprise Value $58.78B $22.21B Keysight Technologies Inc.
EV/Revenue Ratio 10.36 5.65 MKS Instruments Inc.
Gross Profit Margin (TTM) 62.19% 46.37% Keysight Technologies Inc.
Revenue per Share (TTM) $33 $58 MKS Instruments Inc.
Earnings per Share (Diluted) $5.67 $4.38 Keysight Technologies Inc.
Beta (Stock Volatility) 1.15 1.90 Keysight Technologies Inc.
Short % of Float 1.23% 6.32% Keysight Technologies Inc.

Keysight Technologies Inc. vs MKS Instruments Inc. Stock Performance Analysis

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KEYS
MKSI

Performance Comparison

Short-term Returns

Stock1D1W1M3M6MYTD
Keysight Technologies Inc.1.79%7.64%2.27%24.83%72.04%72.78%
MKS Instruments Inc.5.52%20.26%23.80%69.09%135.59%122.93%

Long-term Returns

Stock1Y3Y5Y10Y15Y20Y
Keysight Technologies Inc.121.68%112.71%137.77%1,082.30%1,078.72%1,078.72%
MKS Instruments Inc.298.00%238.17%111.20%762.91%1,379.58%1,744.87%

Performance & Financial Health Analysis: Keysight Technologies Inc. vs MKS Instruments Inc.

MetricKEYSMKSI
Market Information
Market Cap i$59.44B$18.89B
Market Cap CategoryLarge capLarge cap
10 Day Avg. Volume i1,043,697997,190
90 Day Avg. Volume i1,265,2161,059,213
Last Close$356.94$375.32
52 Week Range$152.85 - $370.17$88.49 - $377.66
% from 52W High-3.58%-0.62%
All-Time High$370.17 (May 11, 2026)$377.66 (Jun 15, 2026)
% from All-Time High-3.57%-0.62%
Growth Metrics
Quarterly Revenue Growth0.23%0.11%
Quarterly Earnings Growth0.66%0.18%
Financial Health
Profit Margin (TTM) i0.17%0.08%
Operating Margin (TTM) i0.16%0.14%
Return on Equity (TTM) i0.17%0.12%
Debt to Equity (MRQ) i44.67164.69
Cash & Liquidity
Book Value per Share (MRQ)$36.18$40.46
Cash per Share (MRQ)$12.70$10.04
Operating Cash Flow (TTM) i$1.47B$645.00M
Levered Free Cash Flow (TTM) i$1.08B$535.12M
Dividends
Last 12-Month Dividend Yield iN/A0.45%
Last 12-Month Dividend iN/A$1.13

Valuation & Enterprise Metrics Analysis: Keysight Technologies Inc. vs MKS Instruments Inc.

MetricKEYS (Apr 24, 2026)MKSI (Apr 24, 2026)
Price Ratios
P/E Ratio (TTM) i59.8462.50
Forward P/E i32.8322.53
PEG Ratio i0.873.22
Price to Sales (TTM) i10.254.69
Price to Book (MRQ) i9.386.77
Market Capitalization
Market Capitalization i$59.44B$18.89B
Enterprise Value i$58.78B$22.21B
Enterprise Value Metrics
Enterprise to Revenue i10.365.65
Enterprise to EBITDA i45.7124.76
Risk & Other Metrics
Beta i1.151.90
Book Value per Share (MRQ) i$36.18$40.46

Financial Statements Comparison: Keysight Technologies Inc. vs MKS Instruments Inc.

Financial Metrics

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Revenue

Operating Margin

Profit Margin

Long Term Debt

Income Flow Analysis

Financial Statements Comparison

Income Statement

MetricKEYS (2025)MKSI (2025)
Revenue/Sales i5.38B3.93B
Cost of Goods Sold i2.04B2.09B
COGS % of Revenue i37.9%53.3%
Gross Profit i3.34B1.84B
Gross Margin i62.1%46.7%
Research & Development i1.01B299.00M
Operating Income (EBIT) i876.00M567.00M
Operating Margin i16.3%14.4%
EBITDA i1.45B924.00M
EBITDA Margin i27.1%23.5%
Pre-Tax Income i1.08B304.00M
Pre-Tax Income % of Revenue i20.1%7.7%
Income Tax i213.00M9.00M
Income Tax % of Revenue i4.0%0.2%
Net Income (Profit) i850.00M295.00M
Profit Margin i15.8%7.5%

Balance Sheet & Liquidity Metrics

MetricKEYS (2025)MKSI (2025)
Cash & Equivalents i1.87B675.00M
Total Current Assets i4.35B2.51B
Total Current Assets % of Revenue i80.9%63.9%
Total Current Liabilities i1.85B927.00M
Total Current Liabilities % of Revenue i34.4%23.6%
Long-Term Debt i2.73B4.40B
Long-Term Debt % of Revenue i50.7%111.8%
Total Shareholders Equity i5.88B2.72B
Retained Earnings i7.08B711.00M
Retained Earnings % of Revenue i131.6%18.1%
Property, Plant & Equipment i236.00M270.00M

Cash Flow Statement Comparison

MetricKEYS (2025)MKSI (2025)
Operating Cash Flow i1.42B495.00M
Operating Cash Flow % of Revenue i26.4%12.6%
Capital Expenditures i-128.00M-145.00M
Free Cash Flow i1.28B497.00M
FCF Margin i23.8%12.6%
Debt Repayment i0-451.00M
Common Stock Repurchase i-377.00M-45.00M

Short Interest & Institutional Ownership Analysis

MetricKEYSMKSI
Shares Short i1.85M3.74M
Short Ratio i1.173.26
Short % of Float i1.23%6.32%
Shares Outstanding i171.39M67.17M
Float Shares i170.46M66.80M
% Held by Insiders i0.59%0.56%
% Held by Institutions i93.99%106.59%
% Held by Public i5.42%-7.15%

Dividend Analysis & Yield Comparison: Keysight Technologies Inc. vs MKS Instruments Inc.

MetricKEYSMKSI
Last 12-Month Dividend iN/A$1.13
Last 12-Month Dividend Yield iN/A0.45%
3-Year Avg Annual Dividend iN/A$0.96
3-Year Avg Dividend Yield iN/A0.20%
3-Year Total Dividends iN/A$2.89
Ex-Dividend DateN/AFeb 23, 2026