Planet Fitness (PLNT) is back in focus after Q1 2026 results showed over 700,000 net new members, yet management said sign ups fell short of internal goals amid marketing and economic pressures.

Planet Fitness shares have rebounded in the very short term, with a 1-day share price return of 5.52% and a 7-day share price return of 6.00%. Longer performance remains weak, with the year-to-date share price return down 51.72% and the 1-year total shareholder return down 51.31%. This suggests recent Q1 news is being weighed against a much tougher multi-year experience for investors.

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So with Planet Fitness shares still down sharply over the past year but trading below some analyst price targets and intrinsic value estimates, is there a genuine mispricing here, or is the market already accounting for future growth?

Most Popular Narrative: 52.7% Undervalued

At a last close of $52.98 versus a narrative fair value of $112.06, Planet Fitness is framed as heavily discounted, with the story hinging on growth, margins and expansion.

Rising Black Card penetration, combined with proven ability to implement price increases with minimal impact on churn, signals future near-term potential for further price hikes at this higher margin tier, directly benefitting average revenue per member and overall earnings.

Curious what kind of revenue, earnings and valuation multiple profile is required to back that fair value? The narrative leans on compounding membership economics and a richer margin mix to bridge the gap.

Result: Fair Value of $112.06 (UNDERVALUED)

However, Planet Fitness still faces pressure if higher member attrition from click to cancel and tougher competition from low cost gyms and boutiques persist.

Next Steps

With Planet Fitness framed as both discounted and exposed to real execution risks, this is a good time to move quickly, review the underlying data, and decide where you stand by weighing its 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.