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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.
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 Capitalization12.35 billion USD7.13 billion USD
CurrencyUSDUSD
ExchangeNasdaqNasdaq
Listing DateJuly 1, 1998August 3, 2015
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

CSGP
Z
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CoStar (CSGP) vs. Zillow (Z): 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.

Performance Metrics

Price performance metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
Total Return (1Y)-62.88%-55.00%

Risk Profile

Drawdown History

CSGP
Z
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CoStar (CSGP) vs. Zillow (Z): Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Risk Metrics

Risk profile metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
Volatility (1Y, Annualized)39.83%45.05%
Beta (5Y)0.731.97
Avg. Volume (3M)7.40M4.14M

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.

Profitability

ROE (TTM)

Both CoStar (CSGP) at 0.30% and Zillow (Z) at 1.33% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

CSGP

Real Estate Management & Development industry group

0.30%

Max
22.48%
Q3
11.17%
Median
3.61%
CSGP
0.30%
Q1
0.30%
Min
-13.61%

Z

Real Estate Management & Development industry group

1.33%

Max
22.48%
Q3
11.17%
Median
3.61%
Z
1.33%
Q1
0.30%
Min
-13.61%
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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 0.73% and Zillow (Z) at 2.27% 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

0.73%

Max
21.64%
Q3
9.72%
Median
3.01%
CSGP
0.73%
Q1
0.31%
Min
-0.35%

Z

Real Estate Management & Development industry group

2.27%

Max
21.64%
Q3
9.72%
Median
3.01%
Z
2.27%
Q1
0.31%
Min
-0.35%
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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 0.33% and Zillow (Z) at 5.09% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

CSGP

Real Estate Management & Development industry group

0.33%

Max
21.48%
Q3
5.09%
Median
2.48%
CSGP
0.33%
Q1
-11.08%
Min
-26.36%

Z

Real Estate Management & Development industry group

5.09%

Max
21.48%
Z
5.09%
Q3
5.09%
Median
2.48%
Q1
-11.08%
Min
-26.36%
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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)0.30%1.33%
ROA (TTM)-0.16%0.15%
Net Margin (TTM)0.73%2.27%
Operating Margin (TTM)0.33%5.09%
Gross Margin (TTM)78.63%73.34%

Growth

Revenue Growth

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

Revenue Growth Metrics

Revenue 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

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

EPS Growth Metrics

EPS growth metrics for CoStar (CSGP) and Zillow (Z)
MetricCSGPZ
EPS Growth (YoY)-94.12%--
EPS Growth (3Y CAGR)-72.19%--

Financial Strength

Current Ratio (MRQ)

Both CoStar (CSGP) at 2.20 and Zillow (Z) at 2.29 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

CSGP

Real Estate Management & Development industry group

2.20

Max
5.67
Q3
3.21
CSGP
2.20
Median
2.05
Q1
1.41
Min
0.61

Z

Real Estate Management & Development industry group

2.29

Max
5.67
Q3
3.21
Z
2.29
Median
2.05
Q1
1.41
Min
0.61
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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 0.10 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
1.60
Q3
0.83
Median
0.41
Q1
0.21
CSGP
0.15
Min
0.10

Z

Real Estate Management & Development industry group

0.10

Max
1.60
Q3
0.83
Median
0.41
Q1
0.21
Z
0.10
Min
0.10
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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)2.202.29
Debt / Equity (MRQ)0.150.10
Net Debt / EBITDA-0.22-3.24

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
1.66%
Q3
0.77%
CSGP
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

Z

Real Estate Management & Development industry group

0.00%

Max
1.66%
Q3
0.77%
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
43.71%
Q3
28.65%
CSGP
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

Z

Real Estate Management & Development industry group

0.00%

Max
43.71%
Q3
28.65%
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)

Zillow (Z) at 124.60 is near its industry’s usual P/E ratio, while CoStar (CSGP) at 432.14 sits above its peer range — an unusually expensive price for CSGP’s trailing earnings.

CSGP

Real Estate Management & Development industry group

432.14

CSGP
432.14
Max
124.72
Q3
124.63
Median
36.94
Q1
18.46
Min
4.91

Z

Real Estate Management & Development industry group

124.60

Max
124.72
Q3
124.63
Z
124.60
Median
36.94
Q1
18.46
Min
4.91
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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 3.62 and Zillow (Z) at 2.65 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

CSGP

Real Estate Management & Development industry group

3.62

Max
14.55
Q3
7.20
CSGP
3.62
Median
1.76
Q1
0.95
Min
0.00

Z

Real Estate Management & Development industry group

2.65

Max
14.55
Q3
7.20
Z
2.65
Median
1.76
Q1
0.95
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 1.56 and Zillow (Z) at 1.53 are valued close to their industries’ norm against book — neither stands out from peers.

CSGP

Real Estate Management & Development industry group

1.56

Max
6.07
Q3
4.20
Median
1.66
CSGP
1.56
Q1
1.08
Min
0.47

Z

Real Estate Management & Development industry group

1.53

Max
6.07
Q3
4.20
Median
1.66
Z
1.53
Q1
1.08
Min
0.47
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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)432.14124.60
P/S Ratio (TTM)3.622.65
P/B Ratio (MRQ)1.561.53
Free Cash Flow Yield (TTM)1.64%4.01%