Masimo Corporation (MASI) P/E Ratio History
Deep ValueTrading at -64.3x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 2007–2026
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P/E Ratio Analysis
As of June 21, 2026, Masimo Corporation (MASI) trades at a price-to-earnings ratio of -64.3x, with a stock price of $179.95 and trailing twelve-month earnings per share of $1.45.
The current P/E is 194% below its 5-year average of 68.6x. Over the past five years, MASI's P/E has ranged from a low of 39.2x to a high of 122.3x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Healthcare sector median P/E of 22.1x, MASI trades at a 391% discount to its sector peers. The sector includes 234 companies with P/E ratios ranging from 0.0x to 197.0x.
Relative to the broader market, MASI trades at a notable discount to the S&P 500 median P/E of 24.4x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our MASI DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
MASI Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
MASI P/E vs Peers
Patient monitoring and respiratory care peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $10B | 41.9 | 0.41 | -40% | |
| $17B | 30.5 | - | -25% | |
| $3B | 31.5 | 7.15 | -15% | |
| $4B | 4774.5 | - | +101% | |
| $2B | 6.8Lowest | 0.66 | +817%Best | |
| $6B | 105.6 | 32.06 | -17% | |
| $4B | 31.6 | - | +5% | |
| $3B | 22.1 | 0.16Best | +26% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
MASI Historical P/E Data (2007–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | Apr 04 2026 | $178.59 | $1.46 | 122.3x | +209% |
| FY2024 Q3 | Sep 28 2024 | $133.20 | $1.45 | 91.9x | +132% |
| FY2024 Q2 | Jun 29 2024 | $125.94 | $1.47 | 85.7x | +116% |
| FY2024 Q1 | Mar 30 2024 | $146.85 | $1.47 | 99.9x | +152% |
| FY2023 Q4 | Dec 31 2023 | $117.21 | $1.51 | 77.6x | +96% |
| FY2023 Q3 | Sep 30 2023 | $87.68 | $1.63 | 53.8x | +36% |
| FY2023 Q2 | Jul 01 2023 | $164.55 | $2.13 | 77.3x | +95% |
| FY2023 Q1 | Apr 01 2023 | $184.54 | $2.17 | 85.0x | +115% |
| FY2022 Q4 | Dec 31 2022 | $147.95 | $2.59 | 57.1x | +44% |
| FY2022 Q3 | Oct 01 2022 | $141.16 | $3.02 | 46.7x | +18% |
| FY2022 Q2 | Jul 02 2022 | $135.90 | $3.32 | 40.9x | +3% |
| FY2022 Q1 | Apr 02 2022 | $151.71 | $3.87 | 39.2x | -1% |
| FY2021 Q4 | Dec 31 2021 | $292.78 | $3.98 | 73.6x | +86% |
| FY2021 Q3 | Oct 02 2021 | $270.46 | $4.01 | 67.4x | +70% |
| FY2021 Q2 | Jul 03 2021 | $252.03 | $3.86 | 65.3x | +65% |
| FY2021 Q1 | Apr 03 2021 | $233.67 | $3.94 | 59.3x | +50% |
| FY2020 Q4 | - | $268.38 | $4.14 | 64.8x | +64% |
| FY2020 Q3 | Sep 26 2020 | $225.90 | $3.85 | 58.7x | +48% |
| FY2020 Q2 | Jun 27 2020 | $217.50 | $3.86 | 56.3x | +42% |
| FY2020 Q1 | Mar 28 2020 | $179.03 | $3.69 | 48.5x | +22% |
| FY2019 Q4 | - | $158.06 | $3.44 | 45.9x | +16% |
| FY2019 Q3 | Sep 28 2019 | $146.61 | $3.35 | 43.8x | +10% |
| FY2019 Q2 | Jun 29 2019 | $148.82 | $3.51 | 42.4x | +7% |
| FY2019 Q1 | Mar 30 2019 | $138.28 | $3.51 | 39.4x | -1% |
| FY2018 Q4 | Dec 31 2018 | $107.37 | $3.46 | 31.0x | -22% |
| FY2018 Q3 | Sep 29 2018 | $124.54 | $2.64 | 47.2x | +19% |
| FY2018 Q2 | Jun 30 2018 | $97.65 | $2.26 | 43.2x | +9% |
| FY2018 Q1 | Mar 31 2018 | $87.95 | $2.27 | 38.7x | -2% |
| FY2017 Q4 | Dec 31 2017 | $84.80 | $2.38 | 35.6x | -10% |
| FY2017 Q3 | Sep 30 2017 | $86.56 | $6.34 | 13.7x | -66% |
| FY2017 Q2 | Jul 01 2017 | $91.18 | $6.22 | 14.7x | -63% |
| FY2017 Q1 | Apr 01 2017 | $93.26 | $5.99 | 15.6x | -61% |
| FY2016 Q4 | Dec 31 2016 | $67.40 | $5.59 | 12.1x | -70% |
| FY2016 Q3 | Oct 01 2016 | $59.49 | $2.08 | 28.6x | -28% |
| FY2016 Q2 | Jul 02 2016 | $52.47 | $1.92 | 27.3x | -31% |
| FY2016 Q1 | Apr 02 2016 | $42.47 | $1.71 | 24.8x | -37% |
| FY2015 Q4 | - | $41.51 | $1.56 | 26.6x | -33% |
| FY2015 Q3 | Oct 03 2015 | $39.26 | $1.50 | 26.2x | -34% |
| FY2015 Q2 | Jul 04 2015 | $38.61 | $1.41 | 27.4x | -31% |
| FY2015 Q1 | Apr 04 2015 | $33.45 | $1.29 | 25.9x | -35% |
| FY2014 Q4 | Dec 31 2014 | $26.34 | $1.30 | 20.3x | -49% |
| FY2014 Q3 | Sep 27 2014 | $21.09 | $1.06 | 19.9x | -50% |
| FY2014 Q2 | Jun 28 2014 | $23.65 | $1.06 | 22.3x | -44% |
| FY2014 Q1 | Mar 29 2014 | $26.62 | $1.12 | 23.8x | -40% |
| FY2013 Q4 | - | $29.23 | $1.01 | 28.9x | -27% |
| FY2013 Q3 | Sep 28 2013 | $26.53 | $1.11 | 23.9x | -40% |
| FY2013 Q2 | Jun 29 2013 | $21.20 | $1.08 | 19.6x | -50% |
| FY2013 Q1 | Mar 30 2013 | $19.62 | $1.08 | 18.2x | -54% |
| FY2012 Q4 | Dec 31 2012 | $21.01 | $1.07 | 19.6x | -50% |
| FY2012 Q3 | Sep 29 2012 | $24.18 | $1.04 | 23.3x | -41% |
| FY2012 Q2 | Jun 30 2012 | $22.38 | $1.04 | 21.5x | -46% |
| FY2012 Q1 | Mar 31 2012 | $23.38 | $1.02 | 22.9x | -42% |
| FY2011 Q4 | Dec 31 2011 | $18.68 | $1.05 | 17.8x | -55% |
| FY2011 Q3 | Oct 01 2011 | $21.63 | $1.08 | 20.0x | -49% |
| FY2011 Q2 | Jul 02 2011 | $30.20 | $1.11 | 27.2x | -31% |
| FY2011 Q1 | Apr 02 2011 | $33.27 | $1.07 | 31.1x | -22% |
| FY2010 Q4 | Dec 31 2010 | $29.07 | $1.21 | 24.0x | -39% |
| FY2010 Q3 | Oct 02 2010 | $27.87 | $1.18 | 23.6x | -40% |
| FY2010 Q2 | Jul 03 2010 | $23.20 | $1.13 | 20.5x | -48% |
| FY2010 Q1 | Apr 03 2010 | $26.48 | $1.11 | 23.9x | -40% |
| FY2009 Q4 | - | $30.42 | $0.89 | 34.2x | -14% |
| FY2009 Q3 | Oct 03 2009 | $26.15 | $0.65 | 40.2x | +1% |
| FY2009 Q2 | Jul 04 2009 | $22.70 | $0.65 | 34.9x | -12% |
| FY2009 Q1 | Apr 04 2009 | $29.68 | $0.61 | 48.6x | +23% |
| FY2008 Q4 | Dec 31 2008 | $29.83 | $0.54 | 55.2x | +39% |
| FY2008 Q3 | Sep 27 2008 | $37.41 | $0.78 | 48.0x | +21% |
| FY2008 Q2 | Jun 28 2008 | $34.86 | $1.19 | 29.3x | -26% |
| FY2008 Q1 | Mar 29 2008 | $26.27 | $1.52 | 17.3x | -56% |
| FY2007 Q4 | Dec 31 2007 | $39.45 | $1.81 | 21.8x | -45% |
| FY2007 Q3 | Sep 29 2007 | $25.66 | $2.33 | 11.0x | -72% |
Average P/E for displayed period: 39.6x
Full Stock Analysis
Deep dive into MASI consensus models and risk factors.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
19+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
MASI — Frequently Asked Questions
Quick answers to the most common questions about buying MASI stock.
What is MASI's P/E ratio?
Masimo Corporation (MASI) trailing twelve-month P/E ratio is -64.3x, based on TTM diluted EPS of $1.45. The 5-year average P/E is 68.6x and the historical range spans 39.2x to 122.3x.
Is MASI stock overvalued or undervalued?
MASI trades at -64.3x P/E, below its 5-year average of 68.6x. At the 0th percentile of its historical range (39.2x–122.3x), the stock is priced at a discount to its own history.
Is MASI stock expensive?
No, MASI is not expensive on a historical basis. The current P/E of -64.3x is below the 5-year average of 68.6x and sits at the 0th percentile of its valuation range.
What is MASI's historical P/E range?
Over the past 5 years, MASI's P/E ratio has ranged from 39.2x to 122.3x, with a median of 65.3x and an average of 68.6x. The current P/E of -64.3x places the stock at the 0th percentile of this range. Full historical data spans 2007–2026.
How does MASI's P/E compare to the S&P 500?
MASI trades at -64.3x P/E versus the S&P 500 median of 24.4x. The 364% discount to the market suggests lower growth expectations or perceived higher risk.
How does MASI's valuation compare to Healthcare peers?
Masimo Corporation P/E of -64.3x compares to the Healthcare sector median of 22.1x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is MASI's PEG ratio?
MASI PEG ratio is N/A, based on a P/E of -64.3x and EPS growth of 51.0%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is MASI's earnings yield?
MASI earnings yield is N/A, the inverse of its -64.3x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.