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CSGP vs. Z: CoStar vs. Zillow Stock Comparison

How do CoStar (CSGP) and Zillow (Z) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

CoStar (CSGP) and Zillow (Z) are both classified in the Real Estate Services sub-industry within the broader Real Estate Management & Development industry, placing them in the closest GICS peer bucket.

Company profile comparison for CoStar (CSGP) and Zillow (Z)
Profile ItemCSGPZ
NameCoStar Group, Inc.Zillow Group Inc. Class C Capital Stock
Country/RegionUnited StatesUnited States
GICS SectorReal EstateReal Estate
GICS Industry GroupReal Estate Management & DevelopmentReal Estate Management & Development
GICS IndustryReal Estate Management & DevelopmentReal Estate Management & Development
GICS Sub-IndustryReal Estate ServicesReal Estate Services
Market Capitalization11.38 billion USD6.39 billion USD
CurrencyUSDUSD
ExchangeNasdaqNasdaq
Listing DateJuly 1, 1998August 3, 2015
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

CSGP
Z
GSPC
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CoStar (CSGP) vs. Zillow (Z), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for CoStar (CSGP) and Zillow (Z). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for CoStar (CSGP) and Zillow (Z). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
Total Return (1Y)-66.19%-63.43%
Total Return (3Y, Annualized)-28.89%-14.48%
Total Return (5Y, Annualized)-20.48%-20.66%

Risk Profile

Drawdown History

CSGP
Z
GSPC
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CoStar (CSGP) vs. Zillow (Z), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for CoStar (CSGP) and Zillow (Z). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Zillow (Z) carries a highly aggressive beta of 2.02, indicating much higher sensitivity to broad-market moves, whereas CoStar (CSGP) is closer to market-like at 0.78 — a noticeable difference in market-sensitivity profile.

Risk profile metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
Volatility (1Y, Annualized)44.42%48.00%
Beta (5Y)0.782.02
Max Drawdown (5Y)-72.79%-73.97%
Avg. Volume (3M)7.05M3.80M

Risk-Adjusted Performance

Risk-Return Positioning

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CSGP and Z are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
Sharpe Ratio (1Y)-1.59-1.42
Sortino Ratio (1Y)-1.95-1.78

Profitability

ROE (TTM)

Zillow (Z) at 1.22% is around its peer norm for ROE, while CoStar (CSGP) at 0.89% drops into the bottom quartile, signaling weaker returns on shareholders’ equity.

CSGP

Real Estate Management & Development industry group

0.89%

Max
18.09%
Q3
11.32%
Median
5.99%
Q1
1.11%
CSGP
0.89%
Min
-6.89%

Z

Real Estate Management & Development industry group

1.22%

Max
18.09%
Q3
11.32%
Median
5.99%
Z
1.22%
Q1
1.11%
Min
-6.89%
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CoStar (CSGP) vs. Zillow (Z): A comparison of their ROE against the Real Estate Management & Development industry group benchmark.

Net Margin (TTM)

Both CoStar (CSGP) at 2.08% and Zillow (Z) at 1.96% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

CSGP

Real Estate Management & Development industry group

2.08%

Max
22.46%
Q3
11.47%
Median
2.98%
CSGP
2.08%
Q1
1.20%
Min
-0.72%

Z

Real Estate Management & Development industry group

1.96%

Max
22.46%
Q3
11.47%
Median
2.98%
Z
1.96%
Q1
1.20%
Min
-0.72%
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CoStar (CSGP) vs. Zillow (Z): A comparison of their net margin against the Real Estate Management & Development industry group benchmark.

Operating Margin (TTM)

Both CoStar (CSGP) at 8.22% and Zillow (Z) at 4.66% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

CSGP

Real Estate Management & Development industry group

8.22%

Max
20.62%
Q3
11.79%
CSGP
8.22%
Median
4.66%
Q1
0.87%
Min
-11.08%

Z

Real Estate Management & Development industry group

4.66%

Max
20.62%
Q3
11.79%
Z
4.66%
Median
4.66%
Q1
0.87%
Min
-11.08%
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CoStar (CSGP) vs. Zillow (Z): A comparison of their operating margin against the Real Estate Management & Development industry group benchmark.

Profitability Metrics

Profitability metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
ROE (TTM)0.89%1.22%
ROA (TTM)0.47%0.89%
Net Margin (TTM)2.08%1.96%
Operating Margin (TTM)8.22%4.66%
Gross Margin (TTM)78.68%72.88%

Growth

Revenue Growth

CoStar (CSGP) at 18.68% sits in the top revenue growth quartile, while Zillow (Z) at 15.52% is closer to the peer norm — faster top-line expansion for CSGP.

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CoStar (CSGP) vs. Zillow (Z): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: CoStar (CSGP) reports EPS growth of -94.12%, ranked against its industry; Zillow (Z) has no EPS growth figure this period.

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CoStar (CSGP) vs. Zillow (Z): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
Revenue Growth (YoY)18.68%15.52%
Revenue Growth (3Y CAGR)14.16%9.67%
EPS Growth (YoY)-94.12%--
EPS Growth (3Y CAGR)-72.19%--

Financial Strength

Current Ratio (MRQ)

Both CoStar (CSGP) at 2.21 and Zillow (Z) at 1.92 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

CSGP

Real Estate Management & Development industry group

2.21

Max
5.86
Q3
3.21
CSGP
2.21
Median
1.92
Q1
1.18
Min
0.74

Z

Real Estate Management & Development industry group

1.92

Max
5.86
Q3
3.21
Z
1.92
Median
1.92
Q1
1.18
Min
0.74
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CoStar (CSGP) vs. Zillow (Z): A comparison of their current ratio against the Real Estate Management & Development industry group benchmark.

Debt / Equity (MRQ)

Both CoStar (CSGP) at 0.15 and Zillow (Z) at 0.13 keep leverage in the lower quartile of their industries, with less balance-sheet debt relative to equity than most peers.

CSGP

Real Estate Management & Development industry group

0.15

Max
2.15
Q3
1.16
Median
0.44
Q1
0.22
CSGP
0.15
Min
0.13

Z

Real Estate Management & Development industry group

0.13

Max
2.15
Q3
1.16
Median
0.44
Q1
0.22
Z
0.13
Min
0.13
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CoStar (CSGP) vs. Zillow (Z): A comparison of their debt-to-equity ratio against the Real Estate Management & Development industry group benchmark.

Financial Strength Metrics

Financial strength metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
Current Ratio (MRQ)2.211.92
Debt / Equity (MRQ)0.150.13
Net Debt / EBITDA-0.28-0.80

Dividends

Dividend Yield (TTM)

Neither CoStar (CSGP) nor Zillow (Z) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

CSGP

Real Estate Management & Development industry group

0.00%

Max
1.65%
Q3
0.72%
CSGP
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

Z

Real Estate Management & Development industry group

0.00%

Max
1.65%
Q3
0.72%
Z
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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CoStar (CSGP) vs. Zillow (Z): A comparison of their dividend yield against the Real Estate Management & Development industry group benchmark.

Dividend Payout Ratio (TTM)

Neither CoStar (CSGP) nor Zillow (Z) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

CSGP

Real Estate Management & Development industry group

0.00%

Max
44.94%
Q3
30.99%
CSGP
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

Z

Real Estate Management & Development industry group

0.00%

Max
44.94%
Q3
30.99%
Z
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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CoStar (CSGP) vs. Zillow (Z): A comparison of their payout ratio against the Real Estate Management & Development industry group benchmark.

Dividend Metrics

Dividend metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
Dividend Yield (TTM)0.00%0.00%
Dividend Payout Ratio (TTM)0.00%0.00%

Valuation

P/E Ratio (TTM)

Both CoStar (CSGP) at 156.06 and Zillow (Z) at 123.61 sit in the richer earnings-multiple quartile for P/E ratio, so investors are paying more for TTM earnings than they pay for typical peers.

CSGP

Real Estate Management & Development industry group

156.06

Max
156.33
CSGP
156.06
Q3
77.59
Median
36.44
Q1
15.77
Min
4.42

Z

Real Estate Management & Development industry group

123.61

Max
156.33
Z
123.61
Q3
77.59
Median
36.44
Q1
15.77
Min
4.42
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CoStar (CSGP) vs. Zillow (Z): A comparison of their P/E ratio against the Real Estate Management & Development industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both CoStar (CSGP) at 3.20 and Zillow (Z) at 2.28 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

CSGP

Real Estate Management & Development industry group

3.20

Max
12.05
Q3
6.40
CSGP
3.20
Median
1.39
Q1
0.72
Min
0.00

Z

Real Estate Management & Development industry group

2.28

Max
12.05
Q3
6.40
Z
2.28
Median
1.39
Q1
0.72
Min
0.00
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CoStar (CSGP) vs. Zillow (Z): A comparison of their P/S ratio against the Real Estate Management & Development industry group benchmark.

P/B Ratio (MRQ)

On P/B ratio, both CoStar (CSGP) at 1.43 and Zillow (Z) at 1.48 are valued close to their industries’ norm against book — neither stands out from peers.

CSGP

Real Estate Management & Development industry group

1.43

Max
4.87
Q3
2.86
Median
1.64
CSGP
1.43
Q1
0.98
Min
0.40

Z

Real Estate Management & Development industry group

1.48

Max
4.87
Q3
2.86
Median
1.64
Z
1.48
Q1
0.98
Min
0.40
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CoStar (CSGP) vs. Zillow (Z): A comparison of their P/B ratio against the Real Estate Management & Development industry group benchmark.

Valuation Metrics

Valuation metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
P/E Ratio (TTM)156.06123.61
P/S Ratio (TTM)3.202.28
P/B Ratio (MRQ)1.431.48
Free Cash Flow Yield (TTM)3.63%3.82%