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Side-by-side financial comparison of Canadian Solar Inc. (CSIQ) and Southwest Airlines (LUV). Click either name above to swap in a different company.

Southwest Airlines is the larger business by last-quarter revenue ($7.2B vs $4.5B, roughly 1.6× Canadian Solar Inc.). Southwest Airlines runs the higher net margin — 3.1% vs 1.3%, a 1.8% gap on every dollar of revenue.

Canadian Solar Inc. is a global renewable energy company. Headquartered in Kitchener, Ontario, the company manufactures solar PV modules, provides battery energy storage solutions and develops utility-scale solar power and battery energy storage projects.

Southwest Airlines is a major low-cost airline of the United States. It is headquartered in the Love Field neighborhood of Dallas, Texas. It is the fourth-largest airline in North America when measured by passengers carried, as of 2024. With its all-Boeing 737 fleet, Southwest serves over 100 destinations in 42 states, Washington, D.C.

CSIQ vs LUV — Head-to-Head

Bigger by revenue
LUV
LUV
1.6× larger
LUV
$7.2B
$4.5B
CSIQ
Higher net margin
LUV
LUV
1.8% more per $
LUV
3.1%
1.3%
CSIQ

Income Statement — Q3 FY2025 vs Q1 FY2026

Metric
CSIQ
CSIQ
LUV
LUV
Revenue
$4.5B
$7.2B
Net Profit
$57.6M
$227.0M
Gross Margin
17.5%
Operating Margin
2.2%
Net Margin
1.3%
3.1%
Revenue YoY
12.8%
Net Profit YoY
252.3%
EPS (diluted)
$0.45

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CSIQ
CSIQ
LUV
LUV
Q1 26
$7.2B
Q4 25
$7.4B
Q3 25
$4.5B
$6.9B
Q2 25
$3.0B
$7.2B
Q1 25
$1.3B
$6.4B
Q4 24
$6.9B
Q3 24
$5.9B
$6.9B
Q2 24
$4.1B
$7.4B
Net Profit
CSIQ
CSIQ
LUV
LUV
Q1 26
$227.0M
Q4 25
$323.0M
Q3 25
$57.6M
$54.0M
Q2 25
$63.6M
$213.0M
Q1 25
$36.2M
$-149.0M
Q4 24
$262.0M
Q3 24
$366.8M
$67.0M
Q2 24
$304.4M
$367.0M
Gross Margin
CSIQ
CSIQ
LUV
LUV
Q1 26
Q4 25
Q3 25
17.5%
Q2 25
18.0%
Q1 25
19.0%
Q4 24
Q3 24
18.0%
Q2 24
18.7%
Operating Margin
CSIQ
CSIQ
LUV
LUV
Q1 26
Q4 25
5.3%
Q3 25
2.2%
0.5%
Q2 25
3.3%
3.1%
Q1 25
3.7%
-3.5%
Q4 24
4.0%
Q3 24
7.7%
0.6%
Q2 24
9.1%
5.4%
Net Margin
CSIQ
CSIQ
LUV
LUV
Q1 26
3.1%
Q4 25
4.3%
Q3 25
1.3%
0.8%
Q2 25
2.1%
2.9%
Q1 25
2.7%
-2.3%
Q4 24
3.8%
Q3 24
6.2%
1.0%
Q2 24
7.5%
5.0%
EPS (diluted)
CSIQ
CSIQ
LUV
LUV
Q1 26
$0.45
Q4 25
$0.56
Q3 25
$0.10
Q2 25
$0.39
Q1 25
$-0.26
Q4 24
$0.46
Q3 24
$0.11
Q2 24
$0.58

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CSIQ
CSIQ
LUV
LUV
Cash + ST InvestmentsLiquidity on hand
$1.7B
$3.3B
Total DebtLower is stronger
$5.4B
Stockholders' EquityBook value
$3.9B
$6.9B
Total Assets
$13.5B
$20.4B
Debt / EquityLower = less leverage
0.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSIQ
CSIQ
LUV
LUV
Q1 26
$3.3B
Q4 25
$3.2B
Q3 25
$1.7B
$3.0B
Q2 25
$1.7B
$3.8B
Q1 25
$1.7B
$8.3B
Q4 24
$8.7B
Q3 24
$1.9B
$9.4B
Q2 24
$1.9B
$10.0B
Total Debt
CSIQ
CSIQ
LUV
LUV
Q1 26
$5.4B
Q4 25
$4.6B
Q3 25
$4.1B
Q2 25
$4.1B
Q1 25
$4.1B
Q4 24
$5.1B
Q3 24
$5.1B
Q2 24
$5.1B
Stockholders' Equity
CSIQ
CSIQ
LUV
LUV
Q1 26
$6.9B
Q4 25
$8.0B
Q3 25
$3.9B
$7.8B
Q2 25
$3.9B
$8.0B
Q1 25
$3.9B
$9.4B
Q4 24
$10.3B
Q3 24
$3.7B
$10.4B
Q2 24
$3.7B
$10.5B
Total Assets
CSIQ
CSIQ
LUV
LUV
Q1 26
$20.4B
Q4 25
$29.1B
Q3 25
$13.5B
$28.3B
Q2 25
$13.5B
$28.7B
Q1 25
$13.5B
$33.2B
Q4 24
$33.8B
Q3 24
$11.9B
$34.8B
Q2 24
$11.9B
$35.6B
Debt / Equity
CSIQ
CSIQ
LUV
LUV
Q1 26
0.78×
Q4 25
0.57×
Q3 25
0.52×
Q2 25
0.51×
Q1 25
0.44×
Q4 24
0.49×
Q3 24
0.49×
Q2 24
0.48×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CSIQ
CSIQ
LUV
LUV
Operating Cash FlowLast quarter
$-187.7M
$1.4B
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
8.7%
Cash ConversionOCF / Net Profit
-3.26×
6.25×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSIQ
CSIQ
LUV
LUV
Q1 26
$1.4B
Q4 25
$294.0M
Q3 25
$-187.7M
$287.0M
Q2 25
$401.0M
Q1 25
$860.0M
Q4 24
$476.0M
Q3 24
$113.0M
Q2 24
$-23.0M
Free Cash Flow
CSIQ
CSIQ
LUV
LUV
Q1 26
Q4 25
$-565.0M
Q3 25
$-391.0M
Q2 25
$-234.0M
Q1 25
$359.0M
Q4 24
$16.0M
Q3 24
$-404.0M
Q2 24
$-517.0M
FCF Margin
CSIQ
CSIQ
LUV
LUV
Q1 26
Q4 25
-7.6%
Q3 25
-5.6%
Q2 25
-3.2%
Q1 25
5.6%
Q4 24
0.2%
Q3 24
-5.9%
Q2 24
-7.0%
Capex Intensity
CSIQ
CSIQ
LUV
LUV
Q1 26
8.7%
Q4 25
11.5%
Q3 25
9.8%
Q2 25
8.8%
Q1 25
7.8%
Q4 24
6.6%
Q3 24
7.5%
Q2 24
6.7%
Cash Conversion
CSIQ
CSIQ
LUV
LUV
Q1 26
6.25×
Q4 25
0.91×
Q3 25
-3.26×
5.31×
Q2 25
1.88×
Q1 25
Q4 24
1.82×
Q3 24
1.69×
Q2 24
-0.06×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CSIQ
CSIQ

Segment breakdown not available.

LUV
LUV

Passenger$6.6B91%
Other$614.0M8%
Freight$44.0M1%

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