Inspire Medical Systems (INSP) drew fresh attention after using the SLEEP 2026 conference in Baltimore to showcase new clinical data on its Inspire V system, cardiovascular risk markers, patient adherence, and streamlined screening for therapy eligibility.

Despite the fresh clinical data spotlight at SLEEP 2026, Inspire Medical Systems’ short term momentum has been mixed. The latest share price is $42.61, representing a 1 day share price return of 3.62%, while the year to date share price return has declined 53.82% and the 1 year total shareholder return has declined 67.15%. This points to sentiment that remains cautious after a multi year total shareholder return decline.

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After such a steep multi year share price decline, and with Inspire Medical Systems trading below some valuation estimates, investors are left with a core question: is there hidden value here, or is the market already discounting future growth?

Most Popular Narrative: 18.3% Undervalued

The most followed valuation narrative for Inspire Medical Systems pegs fair value at about $52.17, versus the last close at $42.61. This frames the stock as trading at a clear discount and puts the focus on what would need to happen operationally and financially to bridge that gap.

Analysts expect earnings to reach $67.1 million (and earnings per share of $2.18) by about June 2029, down from $131.1 million today. However, there is some disagreement amongst the analysts with the more bearish ones expecting earnings as low as $47.4 million.

Want to see how Inspire Medical Systems ends up with a higher fair value even as earnings forecasts step down, margins reset, and the assumed future earnings multiple shifts higher? The narrative lays out a specific mix of revenue growth, profitability and valuation assumptions that have to line up almost perfectly for that price target to hold.

Result: Fair Value of $52.17 (UNDERVALUED)

However, Inspire Medical Systems still faces meaningful risks around reimbursement clarity and reliance on the Inspire V rollout, which could pressure revenue, margins and investor confidence if progress stalls.

Next Steps

Given the mix of caution and optimism around Inspire Medical Systems, it makes sense to move quickly, review the numbers yourself and decide where you stand. You can start with a clear view of the company's 4 key rewards and 2 important warning signs.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.