CoStar Group, Inc. (CSGP) fair value analysis

S&P 500 & Nasdaq · Updated 2026-09-07

CoStar Group, Inc. provides digital platforms and services for the commercial real estate industry, offering software solutions, market analytics, and information tools to real estate professionals. The company operates primarily in the United States and serves clients in the commercial real estate sector including brokers, investors, landlords, and appraisers.

Forward Fair Value verdict

Undervalued

Based on TickrTrends' weekly Forward Fair Value model, CSGP is trading at more than a 25% discount to estimated fair value.

CSGP currently ranks #2 of 34 Real Estate stocks by discount to Forward Fair Value. It has screened as Undervalued for 3 consecutive weekly runs.

Last price: $30.91
Sector: Real Estate
12-month range: $28.76–$69.38

Derived indicators

Coarse bands from TickrTrends' weekly models; exact figures are part of the full report.

Quality grade: C
Leverage: Low
Margin trend: Stable
Revenue growth: Strong
RSI zone: Neutral
50/200-day trend: Mixed
52-week position: The bottom quarter of its range

What our data shows for CSGP

Our model validated 15 trailing price-to-earnings windows for CSGP, built from quarterly earnings records.
Shares are trading in the lower third of their 12-month price range of $28.76–$69.38.
The 14-day relative strength index sits at a neutral 50.

The exact numbers are one step away

The precise Forward Fair Value dollar figure for CSGP
Exact discount / premium to today's price
The normalized historical P/E behind the estimate, and how many quarters support it
Forward EPS input and fiscal-year basis
Screeners and rankings across the full S&P 500 and Nasdaq universes

See the exact fair value →

How Forward Fair Value works

TickrTrends computes a Forward Fair Value for every covered stock each week: a conservatively normalized historical price-to-earnings multiple is applied to the analyst-consensus earnings estimate for the next full fiscal year. Every input window is validated for continuity and every result is screened for plausibility before publication.

What people are saying

Follow the CSGP conversation: Stocktwits · Reddit · X

TickrTrends weekly updates

2026-09-07 — No material change this week: the verdict, bands and grades all held steady.
2026-09-06 — No material change this week: the verdict, bands and grades all held steady.
2026-08-31 — TickrTrends initiated weekly Forward Fair Value coverage of this stock.

Frequently asked questions

Is CSGP stock undervalued?

Based on TickrTrends' Forward Fair Value model (updated 2026-09-07), CSGP is trading at more than a 25% discount to estimated fair value and screens as undervalued. The exact fair value and discount are available to subscribers.

What is CSGP's TickrTrends verdict?

CSGP's current verdict is Undervalued, refreshed with every weekly Forward Fair Value run.

How does CSGP compare to other Real Estate stocks?

CSGP ranks #2 of 34 Real Estate stocks in TickrTrends' coverage when sorted by discount to Forward Fair Value.

Is CSGP overbought or oversold?

CSGP's 14-day RSI is in neutral territory - neither overbought nor oversold.

All Real Estate fair-value coverage →

Head-to-head comparisons

CSGP vs AGNT · CSGP vs AMT · CSGP vs CBRE · CSGP vs CCI · CSGP vs CIGI