Planet Fitness (PLNT) is back in focus after multiple law firms reminded investors of upcoming deadlines tied to a securities fraud class action lawsuit, following the company’s disappointing first quarter 2026 update and guidance changes.

The class action headlines arrive after a difficult stretch for Planet Fitness shareholders, with the stock closing at $52.54 and the share price down sharply on a year to date basis, while the 1 year total shareholder return has also fallen significantly. Recent single digit share price declines over the past week and month follow the steep drop triggered in May 2026, when the company withdrew its long term growth guidance and paused planned price increases. This has kept sentiment under pressure rather than pointing to any clear recovery in momentum so far.

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Planet Fitness still runs a sizeable franchise and corporate club network, yet the share price reset after May’s guidance change raises a different question. Is the stock now reflecting that business, or still asking too much for it?

Most Popular Narrative: 21.2% Undervalued

The most followed Planet Fitness narrative points to a fair value of $66.64 against the latest close at $52.54, which frames the current lawsuit headlines against a different backdrop.

Accelerating engagement from younger, health conscious demographics (Gen Z and soon Gen Alpha), combined with program successes like the High School Summer Pass, is expanding Planet Fitness's addressable membership base, driving revenue growth and supporting longer term membership penetration.

Read the complete narrative. Read the complete narrative.

Want to see what a youth focused membership mix, higher margin tiers, and changing profit assumptions add up to for Planet Fitness? The full narrative lays out the earnings and cash flow path behind that $66.64 fair value and the discount rate that underpins it. The details matter.

Result: Fair Value of $66.64 (UNDERVALUED)

However, there are still clear risks around higher member attrition from click to cancel and softer net member additions, which could pressure Planet Fitness revenue and margins.

Next Steps

With Planet Fitness sentiment clearly divided between legal risks and long term growth hopes, move quickly and review both sides of the story for yourself. To weigh those concerns and potential rewards side by side, start with the 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.