The short version

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

  • Southern Copper is the larger company, worth $153.7B, about 45.3 times Ero Copper.
  • Ero Copper grew revenue faster over the last year (+67.1% vs +40.6%).
  • Southern Copper keeps more of each dollar of revenue as operating profit (56.9% vs 34.4%).
  • On earnings, Ero Copper is the cheaper stock (14.9x vs 31.1x).
  • Southern Copper's price assumes faster free cash flow growth: about 16% a year, against 8% for Ero Copper (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.

MeasureEROSCCO
Market cap$3.4B$153.7B
Share price$37.61$209.21
Revenue (last fiscal year)$786M$13.4B
Free cash flow (last fiscal year)$132M$3.4B
Revenue growth, last year+67.1%+40.6%
Revenue growth per year, last 5 fiscal years+12.5%+5.3%
Operating margin34.4%56.9%
Net margin33.6%35.9%
Return on equity28.2%44.8%
P/E (trailing)14.9x31.1x
Price / free cash flow37.2x44.9x
EV / EBITDA10.6x17.3x
FCF growth the price implies8.2%15.6%
Dividend yield—1.8%
Debt / equity1.05x0.90x
Fundamental gradeBB
Superinvestors holding it05
Insider purchases, last 12 months00

Results from SEC filings

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

Ero Copper

YearRevenueFree cash flowOp. margin
2021$490M$195M55.6%
2022$426M-$139M30.4%
2023$427M-$284M22.3%
2024$470M-$184M23.2%
2025$786M$132M34.4%

Southern Copper

YearRevenueFree cash flowOp. margin
2021$10.9B$3.4B55.5%
2022$10.0B$1.9B44.1%
2023$9.9B$2.6B42.4%
2024$11.4B$3.4B48.6%
2025$13.4B$3.4B52.2%

Where the revenue comes from

Ero Copper · by segments, 2025

Caraíba (Brazil)$358M46%
Tucumã (Brazil)$261M33%
Xavantina (Brazil)$166M21%

Southern Copper · by segments, 2025

Mexican Open-Pit$7.6B56%
Peruvian Operations$5.2B38%
Mexican IMMSA Unit$808M6%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open ERO in Investingly

Questions

Which is bigger, Ero Copper or Southern Copper?

Southern Copper (SCCO), at $153.7B against $3.4B.

Is ERO or SCCO cheaper?

By trailing P/E, Ero Copper (14.9x) is cheaper than Southern Copper (31.1x). A lower multiple can also mean the market expects less growth.

Which grows faster, ERO or SCCO?

Ero Copper: revenue grew +67.1% over the last year, against +40.6%.

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