RTO vs SERV vs ROL vs CART

For growth investors, Serve Robotics Inc.

(SERV) is the stronger pick with 46. 3% revenue growth year-over-year, versus -5. 5% for Rentokil Initial plc (RTO). Instacart (Maplebear Inc. ) (CART) offers the better valuation at 25. 2x trailing P/E (16. 6x forward), making it the more compelling value choice. Analysts rate Rentokil Initial plc (RTO) a "Buy" — based on 6 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.

On trailing P/E, Instacart (Maplebear Inc.

) (CART) is the cheapest at 25. 2x versus Rollins, Inc. at 49. 4x. On forward P/E, Instacart (Maplebear Inc. ) is actually cheaper at 16. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Rollins, Inc. wins at 2. 93x versus Rentokil Initial plc's 4. 48x.

Over the past 5 years, Serve Robotics Inc.

(SERV) delivered a total return of +64. 8%, compared to +4. 9% for Rentokil Initial plc (RTO). Over 10 years, the gap is even starker: ROL returned +378. 0% versus CART's +19. 7%. 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), Rollins, Inc.

(ROL) is the lower-risk stock at 0. 23β versus Serve Robotics Inc. 's 3. 94β — meaning SERV is approximately 1599% more volatile than ROL relative to the S&P 500. On balance sheet safety, Instacart (Maplebear Inc. ) (CART) carries a lower debt/equity ratio of 1% versus 112% for Rentokil Initial plc — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Serve Robotics Inc.

(SERV) is pulling ahead at 46. 3% versus -5. 5% for Rentokil Initial plc (RTO). On earnings-per-share growth, the picture is similar: Rentokil Initial plc grew EPS 16. 7% year-over-year, compared to -52. 3% for Serve Robotics Inc.. Over a 3-year CAGR, SERV leads at 190. 8% 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.

Rollins, Inc.

(ROL) is the more profitable company, earning 14. 0% net margin versus -38. 2% for Serve Robotics Inc. — meaning it keeps 14. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ROL leads at 19. 4% versus -42. 5% for SERV. At the gross margin level — before operating expenses — CART leads at 73. 7%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Rollins, Inc. (ROL) is the more undervalued stock at a PEG of 2. 93x versus Rentokil Initial plc's 4. 48x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Instacart (Maplebear Inc. ) (CART) trades at 16. 6x forward P/E versus 44. 2x for Rollins, Inc. — 27. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SERV: 86. 2% to $16. 33.

In this comparison, RTO (1.

8% yield), ROL (1. 3% yield) pay a dividend. SERV, CART do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Rollins, Inc.

(ROL) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 23), 1. 3% yield, +378. 0% 10Y return). Serve Robotics Inc. (SERV) carries a higher beta of 3. 94 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ROL: +378. 0%, SERV: +64. 8%), 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.

These companies operate in different sectors (RTO (Industrials) and SERV (Industrials) and ROL (Consumer Cyclical) and CART (Consumer Cyclical)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: RTO is a mid-cap quality compounder stock; SERV is a small-cap high-growth stock; ROL is a mid-cap quality compounder stock; CART is a small-cap quality compounder stock. RTO, ROL pay a dividend while SERV, CART do not, making them suitable for different income and tax situations. 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.