Which has grown faster, CSIQ or OII?

Over the past five years, OII grew revenue faster — CSIQ at a 2.21% CAGR versus OII at 9.80%.

Is CSIQ or OII more profitable?

OII runs the higher net margin — CSIQ at -3.73% versus OII at 12.19%.

How have CSIQ and OII total returns compared?

Over the past 10 years, CSIQ delivered -1.96% and OII delivered 5.14% annualized total return. Past performance doesn't predict future results.

Canadian Solar Inc. (CSIQ) vs Oceaneering International, Inc. (OII)

A side-by-side comparison of Canadian Solar Inc. and Oceaneering International, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 2, 2026. Differences are shown without an overall score or investment verdict.

CSIQ

Canadian Solar Inc.

$772M

$11.38EnergyDelayed quote: Oct 2, 2026, 3:39 PM EDT

OII

Oceaneering International, Inc.

$4.40B

$44.24EnergyDelayed quote: Oct 2, 2026, 3:39 PM EDT

Total return — CSIQ vs OII

growth of $100 · dividends reinvested · last 10y

CSIQ -19.4% (-2.1%/yr)OII +70.9% (+5.5%/yr)OII compounded faster over this window

CSIQ OII

CSIQ vs OII: by the numbers

•OII is the larger company ($4.40B vs $772M market cap).
•OII is profitable (12.19% net margin) while CSIQ runs a net loss (-3.73%).
•OII grew revenue faster over the past five years (9.80% vs 2.21% CAGR).

Metrics side by side

Valuation

Metric	CSIQ	OII
P/E ratio	N/A	12.71
Forward P/E	N/A	21.58
P/S ratio	0.15	1.53
P/B ratio	0.28	3.77
EV / EBITDA	66.11	11.35
FCF yield	N/A	5.07%

Profitability

Metric	CSIQ	OII
Gross margin	16.43%	19.82%
Operating margin	-0.55%	10.37%
Net margin	-3.73%	12.19%
ROE	-6.76%	29.95%
ROIC	-0.22%	15.18%

Growth (annualized)

Metric	CSIQ	OII
Revenue CAGR (5Y)	2.21%	9.80%
FCF CAGR (5Y)	N/A	10.69%
Total return CAGR (5Y)	-20.01%	25.79%

Frequently asked

Which has grown faster, CSIQ or OII?: Over the past five years, OII grew revenue faster — CSIQ at a 2.21% CAGR versus OII at 9.80%.
Is CSIQ or OII more profitable?: OII runs the higher net margin — CSIQ at -3.73% versus OII at 12.19%.
How have CSIQ and OII total returns compared?: Over the past 10 years, CSIQ delivered -1.96% and OII delivered 5.14% annualized total return. Past performance doesn't predict future results.

Go deeper

Full CSIQ analysis Full OII analysis Interactive comparison tool

Dig into the metrics

Oceaneering International P/E ratio Canadian Solar ROE Oceaneering International ROE Canadian Solar operating margin Oceaneering International operating margin Canadian Solar revenue growth Oceaneering International revenue growth Canadian Solar free cash flow Oceaneering International free cash flow

Canadian Solar & Oceaneering International appear in these rankings

Highest ROE Stocks Highest FCF Yield 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 2, 2026.