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Side-by-side financial comparison of CIENA CORP (CIEN) and CME Group (CME). Click either name above to swap in a different company.

CME Group is the larger business by last-quarter revenue ($1.9B vs $1.2B, roughly 1.5× CIENA CORP). CIENA CORP runs the higher net margin — 4.1% vs 0.1%, a 4.1% gap on every dollar of revenue. Over the past eight quarters, CME Group's revenue compounded faster (10.8% CAGR vs 3.9%).

Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company has been described as a vital player in optical connectivity. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025. Gary Smith serves as president and chief executive officer (CEO).

CME Group Inc. is an American financial services company based in Chicago, Illinois. It operates financial derivatives exchanges, including the Chicago Mercantile Exchange (CME), the Chicago Board of Trade (CBOT), the New York Mercantile Exchange (NYMEX), and the Commodity Exchange (COMEX). The company owns 27% of S&P Dow Jones Indices. It is the world's largest operator of financial derivatives exchanges. Its exchanges are platforms for trading in agricultural products, currencies, energy, i...

CIEN vs CME — Head-to-Head

Bigger by revenue
CME
CME
1.5× larger
CME
$1.9B
$1.2B
CIEN
Higher net margin
CIEN
CIEN
4.1% more per $
CIEN
4.1%
0.1%
CME
Faster 2-yr revenue CAGR
CME
CME
Annualised
CME
10.8%
3.9%
CIEN

Income Statement — Q3 FY2025 vs Q1 FY2026

Metric
CIEN
CIEN
CME
CME
Revenue
$1.2B
$1.9B
Net Profit
$50.3M
$1.2M
Gross Margin
41.3%
Operating Margin
6.0%
0.1%
Net Margin
4.1%
0.1%
Revenue YoY
14.5%
Net Profit YoY
20.7%
EPS (diluted)
$0.35

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
CIEN
CIEN
CME
CME
Q1 26
$1.9B
Q4 25
$1.6B
Q3 25
$1.2B
$1.5B
Q2 25
$1.1B
$1.7B
Q1 25
$1.1B
$1.6B
Q4 24
$1.1B
$1.5B
Q3 24
$942.3M
$1.6B
Q2 24
$910.8M
$1.5B
Net Profit
CIEN
CIEN
CME
CME
Q1 26
$1.2M
Q4 25
$1.2B
Q3 25
$50.3M
$908.0M
Q2 25
$9.0M
$1.0B
Q1 25
$44.6M
$956.2M
Q4 24
$37.0M
$874.6M
Q3 24
$14.2M
$912.8M
Q2 24
$-16.8M
$883.2M
Gross Margin
CIEN
CIEN
CME
CME
Q1 26
Q4 25
Q3 25
41.3%
Q2 25
40.2%
Q1 25
44.0%
Q4 24
40.9%
Q3 24
42.9%
Q2 24
42.7%
Operating Margin
CIEN
CIEN
CME
CME
Q1 26
0.1%
Q4 25
61.8%
Q3 25
6.0%
63.3%
Q2 25
2.9%
66.7%
Q1 25
7.5%
67.5%
Q4 24
5.3%
62.1%
Q3 24
2.8%
64.6%
Q2 24
-0.4%
65.3%
Net Margin
CIEN
CIEN
CME
CME
Q1 26
0.1%
Q4 25
71.7%
Q3 25
4.1%
59.1%
Q2 25
0.8%
60.6%
Q1 25
4.2%
58.2%
Q4 24
3.3%
57.3%
Q3 24
1.5%
57.6%
Q2 24
-1.8%
57.6%
EPS (diluted)
CIEN
CIEN
CME
CME
Q1 26
Q4 25
$3.24
Q3 25
$0.35
$2.49
Q2 25
$0.06
$2.81
Q1 25
$0.31
$2.62
Q4 24
$0.26
$2.40
Q3 24
$0.10
$2.50
Q2 24
$-0.12
$2.42

Balance Sheet & Financial Strength

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

Metric
CIEN
CIEN
CME
CME
Cash + ST InvestmentsLiquidity on hand
$1.3B
$2.4B
Total DebtLower is stronger
$3.4B
Stockholders' EquityBook value
$2.8B
Total Assets
$5.7B
$202.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIEN
CIEN
CME
CME
Q1 26
$2.4B
Q4 25
$4.5B
Q3 25
$1.3B
$2.6B
Q2 25
$1.3B
$2.1B
Q1 25
$1.2B
$1.5B
Q4 24
$1.3B
$3.0B
Q3 24
$1.1B
$2.4B
Q2 24
$1.3B
$1.9B
Total Debt
CIEN
CIEN
CME
CME
Q1 26
$3.4B
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
CIEN
CIEN
CME
CME
Q1 26
Q4 25
$28.7B
Q3 25
$2.8B
$28.2B
Q2 25
$2.8B
$27.7B
Q1 25
$2.8B
$27.0B
Q4 24
$2.8B
$26.5B
Q3 24
$2.9B
$28.2B
Q2 24
$2.9B
$27.6B
Total Assets
CIEN
CIEN
CME
CME
Q1 26
$202.0B
Q4 25
$198.4B
Q3 25
$5.7B
$187.1B
Q2 25
$5.7B
$179.9B
Q1 25
$5.6B
$157.8B
Q4 24
$5.6B
$137.4B
Q3 24
$5.6B
$137.8B
Q2 24
$5.6B
$123.4B

Cash Flow & Capital Efficiency

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

Metric
CIEN
CIEN
CME
CME
Operating Cash FlowLast quarter
$174.3M
Free Cash FlowOCF − Capex
$134.6M
FCF MarginFCF / Revenue
11.0%
Capex IntensityCapex / Revenue
3.3%
Cash ConversionOCF / Net Profit
3.47×
TTM Free Cash FlowTrailing 4 quarters
$605.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIEN
CIEN
CME
CME
Q1 26
Q4 25
$1.1B
Q3 25
$174.3M
$968.1M
Q2 25
$156.9M
$1.1B
Q1 25
$103.7M
$1.1B
Q4 24
$349.4M
$1.0B
Q3 24
$-159.4M
$1.0B
Q2 24
$58.5M
$776.9M
Free Cash Flow
CIEN
CIEN
CME
CME
Q1 26
Q4 25
$1.1B
Q3 25
$134.6M
$949.7M
Q2 25
$128.2M
$1.0B
Q1 25
$76.8M
$1.1B
Q4 24
$265.8M
$991.7M
Q3 24
$-179.0M
$973.2M
Q2 24
$41.6M
$758.7M
FCF Margin
CIEN
CIEN
CME
CME
Q1 26
Q4 25
66.8%
Q3 25
11.0%
61.8%
Q2 25
11.4%
61.5%
Q1 25
7.2%
67.1%
Q4 24
23.6%
65.0%
Q3 24
-19.0%
61.4%
Q2 24
4.6%
49.5%
Capex Intensity
CIEN
CIEN
CME
CME
Q1 26
Q4 25
2.0%
Q3 25
3.3%
1.2%
Q2 25
2.6%
1.1%
Q1 25
2.5%
0.9%
Q4 24
7.4%
1.7%
Q3 24
2.1%
1.9%
Q2 24
1.9%
1.2%
Cash Conversion
CIEN
CIEN
CME
CME
Q1 26
Q4 25
0.96×
Q3 25
3.47×
1.07×
Q2 25
17.50×
1.03×
Q1 25
2.33×
1.17×
Q4 24
9.44×
1.16×
Q3 24
-11.20×
1.10×
Q2 24
0.88×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CIEN
CIEN

Optical Networking$815.5M67%
Routing And Switching$125.9M10%
Platform Softwareand Services Segment$90.0M7%
Maintenance Support And Training$80.7M7%
Installation And Deployment$65.9M5%
Blue Planet Automation Softwareand Services Segment$27.8M2%
Consulting And Network Design$13.6M1%

CME
CME

Segment breakdown not available.

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