CI

Ciena Corporation stock research

Nov 1, 2025

FY2025 Q4

Ciena (CIEN) Gross Margin — Quarter Ended Nov 1, 2025

Revenue and gross profit both increased compared with the prior quarter and the same quarter last year, while cost of revenue rose at a slower pace. As a result, gross margin improved relative to both periods.

Gross margin takeaway

Quarter ended Nov 1, 2025 · FY2025 Q4

Revenue and gross profit both increased compared with the prior quarter and the same quarter last year, while cost of revenue rose at a slower pace. As a result, gross margin improved relative to both periods.

  • Gross margin improved as cost of revenue grew at a slower rate than revenue, both sequentially and year over year.
  • Current quarter gross margin is higher than the immediately preceding quarter and higher than the same quarter one year earlier.

Gross margin snapshot

The selected quarter's reported revenue, gross profit, direct costs, and margin comparisons.

Gross margin

42.7%

Gross profit

$577.2M

Revenue

$1.4B

Cost of revenue

$774.8M

Quarter-over-quarter change

+1.4 pts

Year-over-year change

+1.8 pts

Quarterly gross margin trend

A four-quarter view of the revenue and direct-cost bridge behind gross margin.

PeriodRevenueGross profitCost of revenueGross margin
Feb 1, 2025$1.1B$471.8M$600.4M44.0%
May 3, 2025$1.1B$452.8M$673.0M40.2%
Aug 2, 2025$1.2B$503.1M$716.3M41.3%
Nov 1, 2025$1.4B$577.2M$774.8M42.7%

Quarterly comparisons

Compare the selected margin with the preceding quarter and the same fiscal quarter one year earlier.

Previous-quarter change

Aug 2, 2025

+1.4 pts

Year-over-year change

Nov 2, 2024

+1.8 pts

What the margin says

Filing-constrained interpretation of margin direction, comparisons, and what to monitor next.

Gross margin improved as cost of revenue grew at a slower rate than revenue, both sequentially and year over year.

Current quarter gross margin is higher than the immediately preceding quarter and higher than the same quarter one year earlier.

Monitor whether the growth rate of cost of revenue continues to lag behind revenue growth in upcoming quarters.

CIEN Gross Margin — Quarter Ended Nov 1, 2025