TRNR vs PLNT

For growth investors, Interactive Strength Inc.

(TRNR) is the stronger pick with 459. 3% revenue growth year-over-year, versus 12. 1% for Planet Fitness, Inc. (PLNT). Planet Fitness, Inc. (PLNT) offers the better valuation at 16. 8x trailing P/E (13. 0x forward), making it the more compelling value choice. Analysts rate Planet Fitness, Inc. (PLNT) a "Buy" — based on 26 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

Over the past 5 years, Planet Fitness, Inc.

(PLNT) delivered a total return of -42. 9%, compared to -100. 0% for Interactive Strength Inc. (TRNR). Over 10 years, the gap is even starker: PLNT returned +203. 6% versus TRNR's -100. 0%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Planet Fitness, Inc.

(PLNT) is the lower-risk stock at 0. 31β versus Interactive Strength Inc. 's 2. 40β — meaning TRNR is approximately 669% more volatile than PLNT relative to the S&P 500.

By revenue growth (latest reported year), Interactive Strength Inc.

(TRNR) is pulling ahead at 459. 3% versus 12. 1% for Planet Fitness, Inc. (PLNT). On earnings-per-share growth, the picture is similar: Planet Fitness, Inc. grew EPS 31. 0% year-over-year, compared to 1. 7% for Interactive Strength Inc.. Over a 3-year CAGR, TRNR leads at 155. 4% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Planet Fitness, Inc.

(PLNT) is the more profitable company, earning 16. 5% net margin versus -649. 3% for Interactive Strength Inc. — meaning it keeps 16. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PLNT leads at 29. 8% versus -542. 5% for TRNR. At the gross margin level — before operating expenses — PLNT leads at 82. 6%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Planet Fitness, Inc.

(PLNT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 31), +203. 6% 10Y return). Interactive Strength Inc. (TRNR) carries a higher beta of 2. 40 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (PLNT: +203. 6%, TRNR: -100. 0%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Consumer Cyclical sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: TRNR is a small-cap high-growth stock; PLNT is a small-cap deep-value stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.