The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Saia is the larger company, worth $9.3B, about 2.9 times ArcBest.
  • Saia grew revenue faster over the last year (+17.1% vs +15.9%).
  • Saia keeps more of each dollar of revenue as operating profit (11.0% vs 0.7%).
  • On earnings, Saia is the cheaper stock (36.8x vs 58.4x).
  • Saia's price assumes faster free cash flow growth: about 44% a year, against 11% for ArcBest (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureARCBSAIA
Market cap$3.2B$9.3B
Share price$129.36$336.75
Revenue (last fiscal year)$4.0B$3.2B
Free cash flow (last fiscal year)$101M$27M
Revenue growth, last year+15.9%+17.1%
Revenue growth per year, last 5 fiscal years+1.6%+9.0%
Operating margin0.69%11.0%
Net margin0.39%8.2%
Return on equity1.3%10.2%
P/E (trailing)58.4x36.8x
Price / free cash flow27.8x341.1x
EV / EBITDA16.4x15.1x
FCF growth the price implies10.9%44.0%
Dividend yield0.34%—
Debt / equity0.93x0.37x
Fundamental gradeDC
Superinvestors holding it24
Insider purchases, last 12 months01

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

ArcBest

YearRevenueFree cash flowOp. margin
2021$3.8B$245M7.4%
2022$5.0B$305M7.8%
2023$4.4B$90M3.9%
2024$4.2B$46M5.8%
2025$4.0B$101M2.3%

Saia

YearRevenueFree cash flowOp. margin
2021$2.3B$97M14.6%
2022$2.8B$106M16.9%
2023$2.9B$138M16.0%
2024$3.2B-$460M15.0%
2025$3.2B$27M10.9%

Where the revenue comes from

ArcBest · by segments, 2025

Asset-Based$2.7B66%
Asset-Light$1.4B34%

Saia

No segment breakdown reported.

Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open ARCB in Investingly

Questions

Which is bigger, ArcBest or Saia?

Saia (SAIA), at $9.3B against $3.2B.

Is ARCB or SAIA cheaper?

By trailing P/E, Saia (36.8x) is cheaper than ArcBest (58.4x). A lower multiple can also mean the market expects less growth.

Which grows faster, ARCB or SAIA?

Saia: revenue grew +17.1% over the last year, against +15.9%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.