Which has the lower trailing P/E, IOSP or KALU?

KALU has the lower trailing P/E: IOSP trades at 20.00 and KALU at 11.47. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, IOSP or KALU?

Over the past five years, KALU grew revenue faster — IOSP at a 7.72% CAGR versus KALU at 21.03%.

Does IOSP or KALU pay a bigger dividend?

IOSP yields 1.83% and KALU yields 1.98% based on trailing dividends and the latest price.

Is IOSP or KALU more profitable?

IOSP runs the higher net margin — IOSP at 6.60% versus KALU at 5.49%.

How have IOSP and KALU total returns compared?

Over the past 10 years, IOSP delivered 6.30% and KALU delivered 9.72% annualized total return. Past performance doesn't predict future results.

Innospec Inc. (IOSP) vs Kaiser Aluminum Corporation (KALU)

A side-by-side comparison of Innospec Inc. and Kaiser Aluminum Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

IOSP

Innospec Inc.

$2.41B

$98.01Basic MaterialsDelayed quote: Oct 6, 2026, 11:45 AM EDT

KALU

Kaiser Aluminum Corporation

$2.53B

$154.74Basic MaterialsDelayed quote: Oct 6, 2026, 11:45 AM EDT

Total return — IOSP vs KALU

growth of $100 · dividends reinvested · last 10y

IOSP +84.1% (+6.3%/yr)KALU +155.0% (+9.8%/yr)KALU compounded faster over this window

IOSP KALU

IOSP vs KALU: by the numbers

•KALU is the larger company ($2.53B vs $2.41B market cap).
•KALU trades at the lower trailing earnings multiple (11.47 vs 20.00 P/E), one valuation lens rather than an overall verdict.
•IOSP converts more revenue to profit (6.60% vs 5.49% net margin).
•KALU grew revenue faster over the past five years (21.03% vs 7.72% CAGR).
•KALU pays the higher dividend yield (1.98% vs 1.83%).

Metrics side by side

Valuation

Metric	IOSP	KALU
P/E ratio	20.00	11.47
Forward P/E	19.85	11.00
PEG ratio	0.62	0.38
P/S ratio	1.31	0.61
P/B ratio	1.80	2.68
EV / EBITDA	12.17	7.63
FCF yield	2.69%	3.44%

Profitability

Metric	IOSP	KALU
Gross margin	27.46%	11.55%
Operating margin	8.13%	8.24%
Net margin	6.60%	5.49%
ROE	9.04%	24.05%
ROIC	8.64%	11.37%

Dividends

Metric	IOSP	KALU
Dividend yield	1.83%	1.98%
Payout ratio	36.53%	22.83%

Growth (annualized)

Metric	IOSP	KALU
Revenue CAGR (5Y)	7.72%	21.03%
EPS CAGR (5Y)	32.01%	30.77%
FCF CAGR (5Y)	-8.41%	N/A
Total return CAGR (5Y)	4.20%	10.44%

Frequently asked

Which has the lower trailing P/E, IOSP or KALU?: KALU has the lower trailing P/E: IOSP trades at 20.00 and KALU at 11.47. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, IOSP or KALU?: Over the past five years, KALU grew revenue faster — IOSP at a 7.72% CAGR versus KALU at 21.03%.
Does IOSP or KALU pay a bigger dividend?: IOSP yields 1.83% and KALU yields 1.98% based on trailing dividends and the latest price.
Is IOSP or KALU more profitable?: IOSP runs the higher net margin — IOSP at 6.60% versus KALU at 5.49%.
How have IOSP and KALU total returns compared?: Over the past 10 years, IOSP delivered 6.30% and KALU delivered 9.72% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IOSP analysis Full KALU analysis Interactive comparison tool

Dig into the metrics

Innospec P/E ratio Kaiser Aluminum P/E ratio Innospec dividend yield Kaiser Aluminum dividend yield Innospec ROE Kaiser Aluminum ROE Innospec operating margin Kaiser Aluminum operating margin Innospec revenue growth Kaiser Aluminum revenue growth Innospec free cash flow Kaiser Aluminum free cash flow

Innospec & Kaiser Aluminum appear in these rankings

Fastest Revenue Growth Stocks Lowest P/E Ratio Stocks

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 October 6, 2026.