Compare Zillow Group, Inc. Class C (Z) vs Alphabet Inc. (GOOG) Stock

Alphabet Inc. (GOOG) offers the better valuation at 28.8x trailing P/E (27.2x forward), making it the more compelling value choice. Analysts rate Alphabet Inc. (GOOG) a "Buy" — based on 79 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 trailing P/E, Alphabet Inc. (GOOG) is the cheapest at 28.8x versus Zillow Group, Inc. Class C at 495.8x. On forward P/E, Zillow Group, Inc. Class C is actually cheaper at 20.4x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Alphabet Inc. (GOOG) delivered a total return of +200.6%, compared to -73.3% for Zillow Group, Inc. Class C (Z). A $10,000 investment in GOOG five years ago would be worth approximately $30K today (assuming dividends reinvested). Over 10 years, the gap is even starker: GOOG returned +796.7% versus Z's +106.6%. 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), Alphabet Inc. (GOOG) is the lower-risk stock at 0.98β versus Zillow Group, Inc. Class C's 1.12β — meaning Z is approximately 14% more volatile than GOOG relative to the S&P 500. On balance sheet safety, Zillow Group, Inc. Class C (Z) carries a lower debt/equity ratio of 2% versus 17% for Alphabet Inc. — giving it more financial flexibility in a downturn.

Alphabet Inc. (GOOG) is the more profitable company, earning 32.8% net margin versus 0.9% for Zillow Group, Inc. Class C — meaning it keeps 32.8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: GOOG leads at 32.1% versus -1.3% for Z. At the gross margin level — before operating expenses — Z leads at 74.1%, 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, Zillow Group, Inc. Class C (Z) trades at 20.4x forward P/E versus 27.2x for Alphabet Inc. — 6.9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for Z: 90.5% to $85.00.

In this comparison, GOOG (0.3% yield) pays a dividend. Z does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Alphabet Inc. (GOOG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.98), +796.7% 10Y return). Both have compounded well over 10 years (GOOG: +796.7%, Z: +106.6%), 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 (Z (Communication Services) and GOOG (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced. 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.