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

Western Digital is the larger business by last-quarter revenue ($3.0B vs $1.7B, roughly 1.8× OLIN Corp). Western Digital runs the higher net margin — 61.1% vs -8.6%, a 69.7% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (31.5% vs -0.4%). Over the past eight quarters, OLIN Corp's revenue compounded faster (0.9% CAGR vs -6.6%).

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.

Western Digital Corporation, doing business as WD, is an American data storage company headquartered in San Jose, California. Established in 1970, the company is one of the world's largest manufacturers of hard disk drives (HDDs).

OLN vs WDC — Head-to-Head

Bigger by revenue
WDC
WDC
1.8× larger
WDC
$3.0B
$1.7B
OLN
Growing faster (revenue YoY)
WDC
WDC
+31.9% gap
WDC
31.5%
-0.4%
OLN
Higher net margin
WDC
WDC
69.7% more per $
WDC
61.1%
-8.6%
OLN
Faster 2-yr revenue CAGR
OLN
OLN
Annualised
OLN
0.9%
-6.6%
WDC

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
OLN
OLN
WDC
WDC
Revenue
$1.7B
$3.0B
Net Profit
$-143.2M
$1.8B
Gross Margin
1.9%
45.7%
Operating Margin
-9.4%
30.1%
Net Margin
-8.6%
61.1%
Revenue YoY
-0.4%
31.5%
Net Profit YoY
-1517.8%
254.2%
EPS (diluted)
$-1.25
$4.73

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
WDC
WDC
Q1 26
$3.0B
Q4 25
$1.7B
$2.8B
Q3 25
$1.7B
Q2 25
$1.8B
$-1.2B
Q1 25
$1.6B
$2.3B
Q4 24
$1.7B
$4.3B
Q3 24
$1.6B
$4.1B
Q2 24
$1.6B
$3.8B
Net Profit
OLN
OLN
WDC
WDC
Q1 26
$1.8B
Q4 25
$-143.2M
$1.2B
Q3 25
$43.7M
Q2 25
$-2.8M
$282.0M
Q1 25
$1.2M
$520.0M
Q4 24
$10.1M
$594.0M
Q3 24
$-25.2M
$493.0M
Q2 24
$72.3M
$39.0M
Gross Margin
OLN
OLN
WDC
WDC
Q1 26
45.7%
Q4 25
1.9%
43.5%
Q3 25
10.7%
Q2 25
7.9%
Q1 25
9.0%
39.8%
Q4 24
9.4%
35.4%
Q3 24
8.5%
37.9%
Q2 24
14.5%
35.9%
Operating Margin
OLN
OLN
WDC
WDC
Q1 26
30.1%
Q4 25
-9.4%
28.1%
Q3 25
4.8%
Q2 25
2.0%
Q1 25
2.7%
33.1%
Q4 24
2.8%
19.9%
Q3 24
1.0%
18.1%
Q2 24
8.3%
5.7%
Net Margin
OLN
OLN
WDC
WDC
Q1 26
61.1%
Q4 25
-8.6%
41.9%
Q3 25
2.6%
Q2 25
-0.2%
-24.4%
Q1 25
0.1%
22.7%
Q4 24
0.6%
13.9%
Q3 24
-1.6%
12.0%
Q2 24
4.4%
1.0%
EPS (diluted)
OLN
OLN
WDC
WDC
Q1 26
$4.73
Q4 25
$-1.25
$3.07
Q3 25
$0.37
Q2 25
$-0.01
$0.72
Q1 25
$0.01
$1.42
Q4 24
$0.10
$1.63
Q3 24
$-0.21
$1.35
Q2 24
$0.62
$0.15

Balance Sheet & Financial Strength

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

Metric
OLN
OLN
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$167.6M
$2.0B
Total DebtLower is stronger
$2.8B
$4.7B
Stockholders' EquityBook value
$1.8B
$7.1B
Total Assets
$7.3B
$15.6B
Debt / EquityLower = less leverage
1.55×
0.65×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OLN
OLN
WDC
WDC
Q1 26
$2.0B
Q4 25
$167.6M
$2.0B
Q3 25
Q2 25
$2.1B
Q1 25
$3.5B
Q4 24
$175.6M
$2.3B
Q3 24
$1.7B
Q2 24
$1.9B
Total Debt
OLN
OLN
WDC
WDC
Q1 26
$4.7B
Q4 25
$2.8B
$4.7B
Q3 25
$3.0B
Q2 25
$3.0B
$4.7B
Q1 25
$3.0B
$7.3B
Q4 24
$2.7B
$7.4B
Q3 24
$2.8B
$7.4B
Q2 24
$2.8B
$7.4B
Stockholders' Equity
OLN
OLN
WDC
WDC
Q1 26
$7.1B
Q4 25
$1.8B
$5.9B
Q3 25
$2.0B
Q2 25
$2.0B
$5.3B
Q1 25
$2.0B
$5.2B
Q4 24
$2.0B
$12.1B
Q3 24
$2.1B
$11.6B
Q2 24
$2.1B
$10.8B
Total Assets
OLN
OLN
WDC
WDC
Q1 26
$15.6B
Q4 25
$7.3B
$14.4B
Q3 25
$7.6B
Q2 25
$7.7B
$14.0B
Q1 25
$7.7B
$16.4B
Q4 24
$7.6B
$25.5B
Q3 24
$7.5B
$24.8B
Q2 24
$7.7B
$24.2B
Debt / Equity
OLN
OLN
WDC
WDC
Q1 26
0.65×
Q4 25
1.55×
0.80×
Q3 25
1.52×
Q2 25
1.52×
0.89×
Q1 25
1.50×
1.42×
Q4 24
1.34×
0.61×
Q3 24
1.34×
0.64×
Q2 24
1.31×
0.69×

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
WDC
WDC
Operating Cash FlowLast quarter
$321.2M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OLN
OLN
WDC
WDC
Q1 26
Q4 25
$321.2M
$672.0M
Q3 25
$26.7M
Q2 25
$212.3M
$746.0M
Q1 25
$-86.0M
$508.0M
Q4 24
$141.7M
$403.0M
Q3 24
$189.9M
$34.0M
Q2 24
$90.6M
$366.0M
Free Cash Flow
OLN
OLN
WDC
WDC
Q1 26
Q4 25
$599.0M
Q3 25
$-44.4M
Q2 25
$675.0M
Q1 25
$-147.4M
$379.0M
Q4 24
$90.7M
$287.0M
Q3 24
$146.6M
$-62.0M
Q2 24
$34.1M
$250.0M
FCF Margin
OLN
OLN
WDC
WDC
Q1 26
Q4 25
21.3%
Q3 25
-2.6%
Q2 25
-58.5%
Q1 25
-9.0%
16.5%
Q4 24
5.4%
6.7%
Q3 24
9.2%
-1.5%
Q2 24
2.1%
6.6%
Capex Intensity
OLN
OLN
WDC
WDC
Q1 26
Q4 25
2.6%
Q3 25
4.2%
Q2 25
-6.2%
Q1 25
3.7%
5.6%
Q4 24
3.1%
2.7%
Q3 24
2.7%
2.3%
Q2 24
3.4%
3.1%
Cash Conversion
OLN
OLN
WDC
WDC
Q1 26
Q4 25
0.57×
Q3 25
0.61×
Q2 25
2.65×
Q1 25
-71.67×
0.98×
Q4 24
14.03×
0.68×
Q3 24
0.07×
Q2 24
1.25×
9.38×

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%

WDC
WDC

Cloud$2.7B89%
Client Devices$176.0M6%
Consumer$168.0M6%

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