The short version

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

  • American Express is the larger company, worth $212.9B, about 10.6 times SoFi Technologies.
  • SoFi Technologies grew revenue faster over the last year (+42.5% vs +10.0%).
  • On earnings, American Express is the cheaper stock (19.5x vs 34.9x).

Side by side

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

MeasureAXPSOFI
Market cap$212.9B$20.2B
Share price$308.17$15.80
Revenue (last fiscal year)$72.2B$3.6B
Free cash flow (last fiscal year)$16.0B-$4.0B
Revenue growth, last year+10.0%+42.5%
Revenue growth per year, last 5 fiscal years+14.3%+38.4%
Operating margin——
Net margin15.1%14.8%
Return on equity33.4%5.7%
P/E (trailing)19.5x34.9x
Price / free cash flow13.3x—
EV / EBITDA13.2x18.5x
FCF growth the price implies-0.36%—
Dividend yield1.1%—
Debt / equity7.99x4.50x
Fundamental gradeCC
Superinvestors holding it182
Insider purchases, last 12 months103

Results from SEC filings

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

American Express

YearRevenueFree cash flowOp. margin
2021$42.4B$13.1B—
2022$52.9B$19.2B—
2023$60.5B$17.0B—
2024$65.9B$12.1B—
2025$72.2B$16.0B—

SoFi Technologies

YearRevenueFree cash flowOp. margin
2021$985M-$1.4B—
2022$1.6B-$7.3B—
2023$2.1B-$7.3B—
2024$2.7B-$1.3B—
2025$3.6B-$4.0B—

Where the revenue comes from

American Express · by segments, 2025

USCS$34.8B48%
CS$16.9B23%
ICS$13.0B18%
GMNS$7.8B11%

SoFi Technologies · by segments, 2025

Lending$1.8B48%
Financial Services$1.5B40%
Technology Platform$450M12%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AXP in Investingly

Questions

Which is bigger, American Express or SoFi Technologies?

American Express (AXP), at $212.9B against $20.2B.

Is AXP or SOFI cheaper?

By trailing P/E, American Express (19.5x) is cheaper than SoFi Technologies (34.9x). A lower multiple can also mean the market expects less growth.

Which grows faster, AXP or SOFI?

SoFi Technologies: revenue grew +42.5% over the last year, against +10.0%.

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