Inspire Medical Systems, Inc. (INSP) P/E Ratio History
Deep ValueTrading at 8.7x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 2024–2026
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P/E Ratio Analysis
As of June 22, 2026, Inspire Medical Systems, Inc. (INSP) trades at a price-to-earnings ratio of 8.7x, with a stock price of $42.61 and trailing twelve-month earnings per share of $4.57.
The current P/E is 95% below its 5-year average of 159.6x. Over the past five years, INSP's P/E has ranged from a low of 11.5x to a high of 743.5x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Healthcare sector median P/E of 22.1x, INSP trades at a 61% 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, INSP 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 INSP 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.
INSP Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
INSP P/E vs Peers
Respiratory and sleep therapy devices peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $102B | 22.0 | - | +31% | |
| $154B | 11.6Lowest | 0.39Best | +134% | |
| $67B | 23.3 | - | +55% | |
| $32B | 20.7 | - | +20% | |
| $7B | 153.5 | - | +287%Best | |
| $4B | 31.6 | - | +5% | |
| $3B | 31.5 | 7.15 | -15% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
INSP Historical P/E Data (2024–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | - | $51.58 | $4.49 | 11.5x | -93% |
| FY2025 Q4 | Dec 31 2025 | $92.23 | $4.98 | 18.5x | -88% |
| FY2025 Q3 | - | $74.20 | $1.47 | 50.5x | -68% |
| FY2025 Q2 | Jun 30 2025 | $129.77 | $1.73 | 75.1x | -53% |
| FY2025 Q1 | Mar 31 2025 | $159.28 | $2.17 | 73.4x | -54% |
| FY2024 Q4 | - | $185.38 | $1.73 | 107.2x | -33% |
| FY2024 Q3 | Sep 30 2024 | $211.05 | $1.07 | 197.2x | +24% |
| FY2024 Q2 | Jun 30 2024 | $133.83 | $0.18 | 743.5x | +366% |
Average P/E for displayed period: 159.6x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
2+ years return with dividends reinvested.
DCA Calculator
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Peer Comparison
Compare growth, multiples, and margins vs sector.
INSP — Frequently Asked Questions
Quick answers to the most common questions about buying INSP stock.
What is INSP's P/E ratio?
Inspire Medical Systems, Inc. (INSP) trailing twelve-month P/E ratio is 8.7x, based on TTM diluted EPS of $4.57. The 5-year average P/E is 159.6x and the historical range spans 11.5x to 743.5x.
Is INSP stock overvalued or undervalued?
INSP trades at 8.7x P/E, below its 5-year average of 159.6x. At the 0th percentile of its historical range (11.5x–743.5x), the stock is priced at a discount to its own history.
Is INSP stock expensive?
No, INSP is not expensive on a historical basis. The current P/E of 8.7x is below the 5-year average of 159.6x and sits at the 0th percentile of its valuation range.
What is INSP's historical P/E range?
Over the past 5 years, INSP's P/E ratio has ranged from 11.5x to 743.5x, with a median of 75.1x and an average of 159.6x. The current P/E of 8.7x places the stock at the 0th percentile of this range. Full historical data spans 2024–2026.
How does INSP's P/E compare to the S&P 500?
INSP trades at 8.7x P/E versus the S&P 500 median of 24.4x. The 64% discount to the market suggests lower growth expectations or perceived higher risk.
How does INSP's valuation compare to Healthcare peers?
Inspire Medical Systems, Inc. P/E of 8.7x 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 INSP's PEG ratio?
INSP PEG ratio is N/A, based on a P/E of 8.7x and EPS growth of 179.4%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is INSP's earnings yield?
INSP earnings yield is 11.48%, the inverse of its 8.7x 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.