STAI vs LDOS

Leidos Holdings, Inc.

(LDOS) offers the better valuation at 11. 8x trailing P/E (11. 1x forward), making it the more compelling value choice. Analysts rate Leidos Holdings, Inc. (LDOS) a "Buy" — based on 27 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, Leidos Holdings, Inc.

(LDOS) delivered a total return of +33. 4%, compared to -99. 1% for ScanTech AI Systems Inc. (STAI). Over 10 years, the gap is even starker: LDOS returned +223. 8% versus STAI's -99. 1%. 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), Leidos Holdings, Inc.

(LDOS) is the lower-risk stock at 0. 42β versus ScanTech AI Systems Inc. 's 0. 65β — meaning STAI is approximately 54% more volatile than LDOS relative to the S&P 500.

On earnings-per-share growth, the picture is similar: ScanTech AI Systems Inc.

grew EPS 35. 2% year-over-year, compared to 20. 7% for Leidos Holdings, Inc.. 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.

Leidos Holdings, Inc.

(LDOS) is the more profitable company, earning 8. 5% net margin versus -42. 5% for ScanTech AI Systems Inc. — meaning it keeps 8. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: LDOS leads at 12. 3% versus -1644. 8% for STAI. At the gross margin level — before operating expenses — LDOS leads at 17. 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.

In this comparison, LDOS (1.

2% yield) pays a dividend. STAI does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Leidos Holdings, Inc.

(LDOS) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 42), 1. 2% yield, +223. 8% 10Y return). Both have compounded well over 10 years (LDOS: +223. 8%, STAI: -99. 1%), 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 (STAI (Basic Materials) and LDOS (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: STAI is a small-cap quality compounder stock; LDOS is a mid-cap deep-value stock. LDOS pays a dividend while STAI does 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.