Stocks / ARR vs CSGP

ARR vs CSGP: Which Stock Is the Better Buy?

ARMOUR Residential REIT, Inc. and CoStar Group, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Real Estate.

CSGP is the larger company ($11.7B vs $2.1B). On the fundamentals, ARR earns a higher net margin (196.2% vs 0.2%); ARR has the stronger return on equity (13.7% vs 0.1%); ARR trades cheaper on earnings (6.8× vs 159.8×). Both carry 1 potential red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — ARR vs CSGP, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 ARMOUR Residential REIT, Inc. (ARR)CoStar Group, Inc. (CSGP)
Market cap$2.1B$11.7B
Revenue (latest FY)$158.34M$3.25B
Net income (latest FY)$310.65M$7.00M
Revenue growth (5y CAGR)14.4%
Net margin196.2%0.2%
Return on equity13.7%0.1%
P/E ratio6.8159.8
Dividend yield16.8%
Profitable years (of last 10)310
Positive free cash flowYes

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full ARR vs CSGP breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open ARR's full financials →   Open CSGP's full financials →

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Frequently asked questions

Which is bigger, ARR or CSGP?

CoStar Group, Inc. is larger by market capitalization — $11.7B versus $2.1B.

Which grows faster, ARR or CSGP?

Five-year growth data is not available for both companies.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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