WallStSmart
IEX

IDEX Corporation

NYSE: IEX · INDUSTRIALS · SPECIALTY INDUSTRIAL MACHINERY

$217.34
+5.83% today

Updated 2026-04-29

Market cap
$15.27B
P/E ratio
32.04
P/S ratio
4.42x
EPS (TTM)
$6.41
Dividend yield
1.37%
52W range
$156 – $224
Volume
0.8M

IDEX Corporation (IEX) Stock Valuation Analysis

Fair value estimate, historical valuation range, and quality signals for IEX.

WallStSmart Verdict
Fairly
Valued

Valuation reasonably reflects current fundamentals. Limited margin of safety at these levels.

Smart Value Score: 55 / 100
P/E (TTM)
32.0x
vs 5Y median of 30.8x
PEG
1.86
Fair range
Margin of Safety
-55.98%
Fair value $135.58 vs $217.34
EV / EBITDA
18.4x

IEX historical valuation range

Where current P/E sits in IEX's own 5Y range.

NOW
25.6x
5Y Low
27.8x
25th
30.8x
Median
32.0x
75th
40.2x
5Y High
IEX is trading more expensive than 76% of the last 5Y.
76th percentile · Historically expensive

IEX intrinsic value (DCF)

DCF-based fair value estimate vs current market price.

Current price
$217.34
Market value
Intrinsic value
$135.58
DCF estimate
Margin of safety
-55.98%
-37.6% upside to fair value

Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.

IEX valuation signals

Quick-read green flags, caution flags, and risks based on current metrics.

!
PEG in fair range
PEG of 1.86 suggests price reflects growth fairly. Neither a bargain nor overpriced.
P/E near 5Y high
Current P/E sits in the 76th percentile of its 5Y range. Historically expensive relative to its own history.
Premium to fair value
Price exceeds DCF intrinsic value by 56.0%. Limited downside protection.
Weak financial quality
Piotroski F-Score of 2/9 suggests deteriorating fundamentals. Valuation requires closer scrutiny.

P/E Ratio — History

Current: 32.04x

P/S Ratio — History

Current: 4.42x

Is IEX overvalued in 2026?

IDEX Corporation (IEX) currently trades at $217.34 per share with a market capitalization of $15,268,069,000.00. Based on our multi-factor framework, the stock trades at a fair valuation with a Smart Value Score of 55/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.

The stock trades at a P/E ratio of 32.0x, above its 5-year median of 30.8x. The PEG ratio of 1.86 points to a price that reasonably reflects expected earnings growth.

Looking at its own history, IEX is currently trading more expensive than 76% of the last 5Y on P/E. This places it in the 76th percentile of its historical range, a zone where forward returns have typically been muted.

Our discounted cash flow model estimates IEX's intrinsic value at $135.58 per share, against the current market price of $217.34. This implies a premium to fair value of -55.98%. The current price sits well above what projected cash flows justify, implying investors are paying for growth that has not yet materialized.

Financial quality is a concern. The Piotroski F-Score of 2/9 flags weakening fundamentals that deserve closer scrutiny before the valuation case can be fully trusted.

Bottom line: IEX trades at a fair valuation on our framework, with a Smart Value Score of 55/100. The valuation is defensible but offers no obvious bargain. Patience or a better entry price may reward disciplined buyers.

Frequently asked questions

Is IEX overvalued in 2026?

Based on a Smart Value Score of 55/100, IEX is fairly valued. Price reasonably reflects current fundamentals with limited cushion in either direction.

What is IEX's fair value?

Our DCF model estimates IEX's intrinsic value at $135.58 per share, versus the current price of $217.34. This produces a margin of safety of -55.98%.

What P/E ratio does IEX trade at?

IEX trades at a P/E of 32.0x on trailing twelve-month earnings, compared to its 5-year median of 30.8x.

Is IEX a buy based on valuation?

WallStSmart does not issue buy or sell recommendations. Our Smart Value Score of 55/100 reflects the combined read on growth, quality, and price. The profile is balanced. Best suited for investors with an existing thesis.

How does IEX's valuation compare to its history?

On P/E, IEX currently sits in the 76th percentile of its own 5Y range. That is historically expensive relative to where it has traded over the period.

What is IEX's Smart Value Score?

IEX's Smart Value Score is 55/100. The Smart Value Score is a proprietary WallStSmart metric blending growth quality, financial health, and valuation attractiveness into a single 0-100 read. Scores above 75 are rare and indicate strong multi-factor alignment.