NYSE Shariah screener · October 2026

Is Ciena Corporation (CIEN) Halal?

PASS

Ciena Corporation · NYSE: CIEN · Technology

The short answer

Ciena passes all three Shariah gates: it runs a permissible network-technology business (optical networking hardware, software and services) with no haram segments, carries $3.23B of interest-bearing debt (6.5% of its ~$49.78 billion market cap), and interest income of about 1.15% of revenue is far under the 5% ceiling.

Gate 1 — Business activity: PASS

Gate 1 — business activity: PASS. Ciena Corporation is 'a network technology company, providing hardware, software, and services to a wide range of network operators and enabling enhanced network capacity, service delivery, and automation,' per its FY2025 Form 10-K (Item 1). FY2025 revenue of $4,769,507 thousand came from Networking Platforms (optical networking plus routing and switching) $3,676,377 thousand, Platform Software and Services $363,830 thousand, Blue Planet Automation Software and Services $115,547 thousand, and Global Services $613,753 thousand.

The company is not an interest-based lender and has no material alcohol, gambling, pork, tobacco, weapons/defense, or adult-entertainment segments. Disclosed for transparency: the 10-K references government customers (a Ciena Government Solutions, Inc. subsidiary exists as a credit-agreement guarantor) — this is networking equipment sold to government customers, not a defense-weapons business; 'defense' in the filing appears only in cybersecurity and legal contexts.

Gate 2 — Debt and cash: PASS

Gate 2 — interest-bearing debt: PASS (6.5%, ceiling 33%). Per Ciena's Q3 FY2026 condensed consolidated balance sheet (August 1, 2026, published with its September 3, 2026 earnings release), long-term debt, net was $3,229,843 thousand with no current portion. Per Note 13 this comprises the $2,875,000 thousand principal of 0.00% Convertible Senior Notes due 2031 (net carrying value $2,832,206 thousand) issued June 11, 2026, plus $400,000 thousand of 4.00% senior notes due 2030 (net $397,637 thousand); the $1.14 billion term loan was repaid in full in June 2026. Operating lease liabilities ($46,472 thousand combined) are excluded — they are not interest-bearing debt.

$3.23 billion of interest-bearing debt against a market capitalization of about $49.78 billion (Finnhub, October 2, 2026) is 6.5%, well under the 33% ceiling. Cash and cash equivalents of $2,445,708 thousand (about 4.9% of market cap), plus $397,846 thousand of short- and long-term investments, were on hand at August 1, 2026. Note: the bulk of the debt is the 2031 Notes at a 0.00% coupon — 'the 2031 Notes will not bear regular interest and the principal amount of the 2031 Notes will not accrete' — counted here per the balance-sheet rule, but genuinely interest-free.

Gate 3 — Non-compliant income: PASS

Gate 3 — non-compliant income: PASS (1.15%, ceiling 5%). Ciena's FY2025 Form 10-K separately discloses interest income in Note 5 ('Interest and other income, net'): 'The components of interest and other income, net, were as follows' — interest income of $55,020 thousand for fiscal 2025. Against FY2025 total revenue of $4,769,507 thousand that is about 1.15%, far under the 5% ceiling.

The latest period confirms the ratio holds: the Q3 FY2026 10-Q note discloses quarterly interest income of $22,161 thousand against quarterly revenue of $1,671,129 thousand (1.33%), and $49,681 thousand for the nine months ended August 1, 2026 against $4,668,910 thousand of revenue (1.06%).

Key figures used

Business: network technology company - optical networking hardware (Networking Platforms $3,676,377k FY2025), software and services; total FY2025 revenue $4,769,507k; HQ Hanover, Maryland; NYSE-listed
Haram assessment: no interest-based lending; no alcohol/gambling/pork/tobacco/weapons/adult-entertainment segments; government customers disclosed (networking equipment sales, not defense)
Debt: $3,229,843k long-term debt, net at Aug 1, 2026 (mostly $2.88B of 0.00% converts due 2031 + $400M 4.00% senior notes due 2030; $1.14B term loan repaid Jun 2026) - 6.5% of ~$49.78B market cap (Finnhub, Oct 2, 2026) - well under the 33% ceiling
Cash: $2,445,708k cash and equivalents at Aug 1, 2026 (~4.9% of market cap), plus $397,846k of short/long-term investments
Interest income: $55,020k in FY2025 (Note 5, separately disclosed) vs $4,769,507k revenue = 1.15% - far under the 5% ceiling (Q3 FY2026 quarter: $22,161k vs $1,671,129k = 1.33%)
Market data: NYSE-listed (moved NASDAQ to NYSE 2021); still listed (10-K cover + live quotes, confirmed Oct 2, 2026)
Third-party: Zoya publishes a CIEN page and rates it Shariah-compliant (halal) as of Sept 2026, matching the filing math; no verifiable Musaffa or ShariaPortfolio rating found

Frequently asked questions

What does Ciena do?

Ciena Corporation (NYSE: CIEN) is a network technology company providing hardware, software, and services for network operators, supporting traffic across cloud, voice, video, data and AI applications. Its FY2025 revenue was $4,769,507 thousand (in thousands): Networking Platforms (optical networking plus routing and switching) $3,676,377; Platform Software and Services $363,830; Blue Planet Automation Software and Services $115,547; Global Services $613,753. Ciena lists the New York Stock Exchange on its FY2025 Form 10-K cover page (filed December 12, 2025).

Is Ciena's business Shariah compliant?

Ciena's business passes this screener's first gate. It is not an interest-based lender and has no material alcohol, gambling, pork, tobacco, weapons/defense, or adult-entertainment segments - its business is optical networking hardware, software, and services. Disclosed for transparency: Ciena's 10-K references government customers and a Ciena Government Solutions subsidiary, meaning it sells networking equipment to government customers, not that it runs a defense-weapons business ('defense' in the 10-K appears only in cybersecurity and legal contexts).

How much interest-bearing debt does Ciena have?

Per Ciena's Q3 FY2026 condensed consolidated balance sheet (August 1, 2026, filed September 3, 2026), long-term debt net was $3,229,843 thousand with no current portion - $3.23 billion total. This is mostly the $2.88 billion of 0.00% Convertible Senior Notes due 2031 issued June 11, 2026 (net carrying value $2,832,206 thousand) plus $400 million of 4.00% senior notes due 2030 (net $397,637 thousand); the $1.14 billion term loan was repaid in full. Operating lease liabilities are excluded. $3.23 billion against a market cap of about $49.78 billion is 6.5%, well under the 33% ceiling.

How much interest income does Ciena earn?

Ciena's FY2025 Form 10-K separately discloses interest income in Note 5 ('Interest and other income, net'): interest income of $55,020 thousand for fiscal 2025. Against FY2025 total revenue of $4,769,507 thousand that is about 1.15% - far under the 5% non-compliant income ceiling. The Q3 FY2026 10-Q note discloses quarterly interest income of $22,161 thousand against quarterly revenue of $1,671,129 thousand (1.33%), confirming the ratio holds in the latest period.

What do third-party Shariah screeners say about Ciena?

Zoya publishes a Ciena (CIEN) page and, as of September 2026, rates it Shariah-compliant (halal) under AAOIFI guidelines - citing revenue of $4,769,507,000 and interest income of $55,020,000 (1.15%), matching the 10-K figures exactly. I could not verify a Musaffa rating page for CIEN or a ShariaPortfolio rating from public sources. Third-party screeners apply different assumptions and update on different schedules, and their results can change when new financial statements are published - always check the latest screening before investing.

Sources

Screened 2026-10-02 from published company figures and market data. Figures change; this page is educational, not financial advice and not a religious ruling.

Screened with our two-gate Shariah screening methodology (business-activity gate, then AAOIFI-style financial ratios).