FORR vs CSGP

For growth investors, CoStar Group, Inc.

(CSGP) is the stronger pick with 18. 7% revenue growth year-over-year, versus -8. 2% for Forrester Research, Inc. (FORR). CoStar Group, Inc. (CSGP) offers the better valuation at 2052. 4x trailing P/E (25. 8x forward), making it the more compelling value choice. Analysts rate CoStar Group, Inc. (CSGP) a "Buy" — based on 25 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.

On forward P/E, Forrester Research, Inc.

is actually cheaper at 8. 5x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, CoStar Group, Inc.

(CSGP) delivered a total return of -58. 5%, compared to -86. 4% for Forrester Research, Inc. (FORR). Over 10 years, the gap is even starker: CSGP returned +77. 5% versus FORR's -75. 9%. 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), Forrester Research, Inc.

(FORR) is the lower-risk stock at 0. 68β versus CoStar Group, Inc. 's 0. 80β — meaning CSGP is approximately 16% more volatile than FORR relative to the S&P 500. On balance sheet safety, CoStar Group, Inc. (CSGP) carries a lower debt/equity ratio of 14% versus 57% for Forrester Research, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), CoStar Group, Inc.

(CSGP) is pulling ahead at 18. 7% versus -8. 2% for Forrester Research, Inc. (FORR). On earnings-per-share growth, the picture is similar: CoStar Group, Inc. grew EPS -95. 1% year-over-year, compared to -1993. 3% for Forrester Research, Inc.. Over a 3-year CAGR, CSGP leads at 14. 2% annualised revenue growth. 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.

CoStar Group, Inc.

(CSGP) is the more profitable company, earning 0. 2% net margin versus -30. 1% for Forrester Research, Inc. — meaning it keeps 0. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: FORR leads at 0. 5% versus -2. 2% for CSGP. At the gross margin level — before operating expenses — CSGP leads at 75. 2%, 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.

On forward earnings alone, Forrester Research, Inc.

(FORR) trades at 8. 5x forward P/E versus 25. 8x for CoStar Group, Inc. — 17. 3x cheaper on a one-year earnings basis.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, CoStar Group, Inc.

(CSGP) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 80)). Both have compounded well over 10 years (CSGP: +77. 5%, FORR: -75. 9%), 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 (FORR (Industrials) and CSGP (Real Estate)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: FORR is a small-cap quality compounder stock; CSGP is a mid-cap high-growth stock. 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.