Which has the lower trailing P/E, IEX or LUV?

LUV has the lower trailing P/E: IEX trades at 33.73 and LUV at 25.41. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, IEX or LUV?

Over the past five years, LUV grew revenue faster — IEX at a 7.19% CAGR versus LUV at 24.97%.

Does IEX or LUV pay a bigger dividend?

IEX yields 1.23% and LUV yields 1.74% based on trailing dividends and the latest price.

Is IEX or LUV more profitable?

IEX runs the higher net margin — IEX at 14.49% versus LUV at 2.78%.

How have IEX and LUV total returns compared?

Over the past 10 years, IEX delivered 10.97% and LUV delivered 2.53% annualized total return. Past performance doesn't predict future results.

IDEX Corporation (IEX) vs Southwest Airlines Co. (LUV)

A side-by-side comparison of IDEX Corporation and Southwest Airlines Co. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 20, 2026. Differences are shown without an overall score or investment verdict.

IEX

IDEX Corporation

$17.28B

$234.45IndustrialsAt close: Aug 19, 2026, 4:00 PM ET

LUV

Southwest Airlines Co.

$20.26B

$41.42IndustrialsAt close: Aug 19, 2026, 4:00 PM ET

Total return — IEX vs LUV

growth of $100 · dividends reinvested · last 10y

IEX +184.0% (+11.0%/yr)LUV +27.8% (+2.5%/yr)IEX compounded faster over this window

IEX LUV

IEX vs LUV: by the numbers

•LUV is the larger company ($20.26B vs $17.28B market cap).
•LUV trades at the lower trailing earnings multiple (25.41 vs 33.73 P/E), one valuation lens rather than an overall verdict.
•IEX converts more revenue to profit (14.49% vs 2.78% net margin).
•LUV grew revenue faster over the past five years (24.97% vs 7.19% CAGR).
•LUV pays the higher dividend yield (1.74% vs 1.23%).

Metrics side by side

Valuation

Metric	IEX	LUV
P/E ratio	33.73	25.41
Forward P/E	26.99	12.10
P/S ratio	4.85	0.69
P/B ratio	4.34	2.91
EV / EBITDA	19.50	9.26
FCF yield	3.69%	N/A

Profitability

Metric	IEX	LUV
Gross margin	44.70%	17.44%
Operating margin	20.75%	3.46%
Net margin	14.49%	2.78%
ROE	12.96%	11.82%
ROIC	8.93%	4.30%

Dividends

Metric	IEX	LUV
Dividend yield	1.23%	1.74%
Payout ratio	44.93%	87.80%

Growth (annualized)

Metric	IEX	LUV
Revenue CAGR (5Y)	7.19%	24.97%
EPS CAGR (5Y)	5.14%	N/A
FCF CAGR (5Y)	5.13%	N/A
Total return CAGR (5Y)	2.53%	-1.10%

Frequently asked

Which has the lower trailing P/E, IEX or LUV?: LUV has the lower trailing P/E: IEX trades at 33.73 and LUV at 25.41. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, IEX or LUV?: Over the past five years, LUV grew revenue faster — IEX at a 7.19% CAGR versus LUV at 24.97%.
Does IEX or LUV pay a bigger dividend?: IEX yields 1.23% and LUV yields 1.74% based on trailing dividends and the latest price.
Is IEX or LUV more profitable?: IEX runs the higher net margin — IEX at 14.49% versus LUV at 2.78%.
How have IEX and LUV total returns compared?: Over the past 10 years, IEX delivered 10.97% and LUV delivered 2.53% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IEX analysis Full LUV analysis Interactive comparison tool

Dig into the metrics

IDEX P/E ratio Southwest Airlines P/E ratio IDEX dividend yield Southwest Airlines dividend yield IDEX ROE Southwest Airlines ROE IDEX operating margin Southwest Airlines operating margin IDEX revenue growth Southwest Airlines revenue growth IDEX free cash flow Southwest Airlines free cash flow

IDEX & Southwest Airlines appear in these rankings

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Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified August 20, 2026.