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Side-by-side financial comparison of OLIN Corp (OLN) and WEC Energy Group (WEC). Click either name above to swap in a different company.

WEC Energy Group is the larger business by last-quarter revenue ($2.5B vs $1.7B, roughly 1.5× OLIN Corp). WEC Energy Group runs the higher net margin — 12.5% vs -8.6%, a 21.1% gap on every dollar of revenue. On growth, WEC Energy Group posted the faster year-over-year revenue change (11.1% vs -0.4%). Over the past eight quarters, OLIN Corp's revenue compounded faster (0.9% CAGR vs -2.7%).

Olin Corporation is an American manufacturer of ammunition, chlorine, and sodium hydroxide. The company traces its roots to two companies, both founded in 1892: Franklin W. Olin's Equitable Powder Company and the Mathieson Alkali Works. Accidents at Olin chemical plants have exposed employees and nearby residents to health hazards.

WEC Energy Group is an American energy company based in Milwaukee, Wisconsin. It provides electricity and natural gas to 4.4 million customers across four states.

OLN vs WEC — Head-to-Head

Bigger by revenue
WEC
WEC
1.5× larger
WEC
$2.5B
$1.7B
OLN
Growing faster (revenue YoY)
WEC
WEC
+11.4% gap
WEC
11.1%
-0.4%
OLN
Higher net margin
WEC
WEC
21.1% more per $
WEC
12.5%
-8.6%
OLN
Faster 2-yr revenue CAGR
OLN
OLN
Annualised
OLN
0.9%
-2.7%
WEC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
OLN
OLN
WEC
WEC
Revenue
$1.7B
$2.5B
Net Profit
$-143.2M
$316.8M
Gross Margin
1.9%
63.7%
Operating Margin
-9.4%
17.9%
Net Margin
-8.6%
12.5%
Revenue YoY
-0.4%
11.1%
Net Profit YoY
-1517.8%
-30.1%
EPS (diluted)
$-1.25

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
OLN
OLN
WEC
WEC
Q4 25
$1.7B
$2.5B
Q3 25
$1.7B
$2.1B
Q2 25
$1.8B
$2.0B
Q1 25
$1.6B
$3.1B
Q4 24
$1.7B
$2.3B
Q3 24
$1.6B
$1.9B
Q2 24
$1.6B
$1.8B
Q1 24
$1.6B
$2.7B
Net Profit
OLN
OLN
WEC
WEC
Q4 25
$-143.2M
$316.8M
Q3 25
$43.7M
$270.2M
Q2 25
$-2.8M
$243.0M
Q1 25
$1.2M
$725.5M
Q4 24
$10.1M
$453.1M
Q3 24
$-25.2M
$238.6M
Q2 24
$72.3M
$210.0M
Q1 24
$47.8M
$622.6M
Gross Margin
OLN
OLN
WEC
WEC
Q4 25
1.9%
63.7%
Q3 25
10.7%
71.1%
Q2 25
7.9%
71.6%
Q1 25
9.0%
63.0%
Q4 24
9.4%
67.7%
Q3 24
8.5%
72.1%
Q2 24
14.5%
73.5%
Q1 24
12.7%
65.4%
Operating Margin
OLN
OLN
WEC
WEC
Q4 25
-9.4%
17.9%
Q3 25
4.8%
21.4%
Q2 25
2.0%
20.1%
Q1 25
2.7%
29.8%
Q4 24
2.8%
25.9%
Q3 24
1.0%
20.6%
Q2 24
8.3%
20.6%
Q1 24
5.9%
30.3%
Net Margin
OLN
OLN
WEC
WEC
Q4 25
-8.6%
12.5%
Q3 25
2.6%
12.8%
Q2 25
-0.2%
12.1%
Q1 25
0.1%
23.0%
Q4 24
0.6%
19.8%
Q3 24
-1.6%
12.8%
Q2 24
4.4%
11.9%
Q1 24
2.9%
23.2%
EPS (diluted)
OLN
OLN
WEC
WEC
Q4 25
$-1.25
Q3 25
$0.37
Q2 25
$-0.01
Q1 25
$0.01
Q4 24
$0.10
Q3 24
$-0.21
Q2 24
$0.62
Q1 24
$0.40

Balance Sheet & Financial Strength

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

Metric
OLN
OLN
WEC
WEC
Cash + ST InvestmentsLiquidity on hand
$167.6M
$27.6M
Total DebtLower is stronger
$2.8B
$20.0B
Stockholders' EquityBook value
$1.8B
$14.1B
Total Assets
$7.3B
$51.5B
Debt / EquityLower = less leverage
1.55×
1.42×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OLN
OLN
WEC
WEC
Q4 25
$167.6M
$27.6M
Q3 25
$51.1M
Q2 25
$23.0M
Q1 25
$82.2M
Q4 24
$175.6M
$9.8M
Q3 24
$322.5M
Q2 24
$224.0M
Q1 24
$38.9M
Total Debt
OLN
OLN
WEC
WEC
Q4 25
$2.8B
$20.0B
Q3 25
$3.0B
Q2 25
$3.0B
Q1 25
$3.0B
Q4 24
$2.7B
$18.9B
Q3 24
$2.8B
$16.9B
Q2 24
$2.8B
$16.9B
Q1 24
$2.7B
$15.4B
Stockholders' Equity
OLN
OLN
WEC
WEC
Q4 25
$1.8B
$14.1B
Q3 25
$2.0B
$14.0B
Q2 25
$2.0B
$13.7B
Q1 25
$2.0B
$13.4B
Q4 24
$2.0B
$12.8B
Q3 24
$2.1B
$12.4B
Q2 24
$2.1B
$12.4B
Q1 24
$2.2B
$12.4B
Total Assets
OLN
OLN
WEC
WEC
Q4 25
$7.3B
$51.5B
Q3 25
$7.6B
$49.8B
Q2 25
$7.7B
$48.5B
Q1 25
$7.7B
$48.2B
Q4 24
$7.6B
$47.4B
Q3 24
$7.5B
$45.2B
Q2 24
$7.7B
$44.6B
Q1 24
$7.6B
$43.9B
Debt / Equity
OLN
OLN
WEC
WEC
Q4 25
1.55×
1.42×
Q3 25
1.52×
Q2 25
1.52×
Q1 25
1.50×
Q4 24
1.34×
1.48×
Q3 24
1.34×
1.36×
Q2 24
1.31×
1.36×
Q1 24
1.24×
1.24×

Cash Flow & Capital Efficiency

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

Metric
OLN
OLN
WEC
WEC
Operating Cash FlowLast quarter
$321.2M
$424.6M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.34×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OLN
OLN
WEC
WEC
Q4 25
$321.2M
$424.6M
Q3 25
$26.7M
$938.9M
Q2 25
$212.3M
$853.3M
Q1 25
$-86.0M
$1.2B
Q4 24
$141.7M
$581.8M
Q3 24
$189.9M
$729.0M
Q2 24
$90.6M
$1.0B
Q1 24
$81.0M
$863.6M
Free Cash Flow
OLN
OLN
WEC
WEC
Q4 25
Q3 25
$-44.4M
$-625.7M
Q2 25
$23.9M
Q1 25
$-147.4M
$461.5M
Q4 24
$90.7M
Q3 24
$146.6M
$-67.3M
Q2 24
$34.1M
$343.5M
Q1 24
$36.7M
$419.1M
FCF Margin
OLN
OLN
WEC
WEC
Q4 25
Q3 25
-2.6%
-29.7%
Q2 25
1.2%
Q1 25
-9.0%
14.7%
Q4 24
5.4%
Q3 24
9.2%
-3.6%
Q2 24
2.1%
19.4%
Q1 24
2.2%
15.6%
Capex Intensity
OLN
OLN
WEC
WEC
Q4 25
Q3 25
4.2%
74.4%
Q2 25
41.3%
Q1 25
3.7%
22.3%
Q4 24
3.1%
Q3 24
2.7%
42.7%
Q2 24
3.4%
39.2%
Q1 24
2.7%
16.6%
Cash Conversion
OLN
OLN
WEC
WEC
Q4 25
1.34×
Q3 25
0.61×
3.47×
Q2 25
3.51×
Q1 25
-71.67×
1.60×
Q4 24
14.03×
1.28×
Q3 24
3.06×
Q2 24
1.25×
4.94×
Q1 24
1.69×
1.39×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OLN
OLN

Chlorinechlorinederivativesandothercoproducts$456.2M27%
Causticsoda$400.2M24%
Militaryandlawenforcement$304.6M18%
Epoxyresins$194.9M12%
Aromaticsandallylics$164.4M10%
Commercial$144.8M9%

WEC
WEC

Wisconsin$1.9B73%
Illinois$441.2M17%
Other States$165.1M7%
External Revenues$74.0M3%
Otheroperatingrevenues$8.0M0%

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