Question 1

What is Ciena's P/S ratio?

Accepted Answer

Ciena (CIEN) P/S ratio is 12.8× as of June 5, 2026. The ratio is calculated by dividing market capitalisation by trailing twelve-month revenue, using USD-normalised financials (IAS 21 exchange-rate translation for non-USD reporters).

Question 2

How is the P/S ratio calculated?

Accepted Answer

P/S = Market Capitalisation ÷ Trailing Twelve-Month (TTM) Revenue, or equivalently Share Price ÷ TTM Revenue Per Share. All inputs are sourced from audited GAAP/IFRS filings and translated to USD using period-end exchange rates so the multiple is comparable across companies and currencies.

Question 3

What is the P/S ratio?

Accepted Answer

The price-to-sales (P/S) ratio compares a company's market capitalisation to its trailing twelve-month (TTM) revenue. It is calculated as market cap ÷ TTM revenue (equivalent to share price ÷ TTM revenue per share). Because the denominator (revenue) cannot be negative, P/S is widely used to value unprofitable or pre-profit companies and to make cross-sector comparisons.

Question 4

What is a good P/S ratio for Ciena?

Accepted Answer

A "good" P/S depends heavily on profit margin and growth: software and other high-margin businesses often command 5–15× sales, while low-margin retailers and commodity producers typically trade below 1×. Compare against sector peers rather than absolute thresholds. For Ciena specifically, the relevant sector benchmark is the current sector median of 5.7×.

Question 5

Is Ciena's P/S ratio high or low?

Accepted Answer

Ciena's P/S ratio of 12.8× is above its own 5-year average of 3.1× and above the sector median of 5.7×. That places the current reading at the 97th percentile of its 10-year history. A higher multiple usually reflects stronger expected growth, lower perceived risk, or higher returns on capital; a lower multiple reflects the opposite.

Question 6

What is Ciena's historical P/S ratio range?

Accepted Answer

In the available daily series, Ciena (CIEN) P/S ratio has ranged from a low of 0.7× in 2009 to a high of 17.8× in 2026. The 5-year average is 3.1× and the 5-year median is 2.2×.

Question 7

What was Ciena's P/S ratio in 2025?

Accepted Answer

Ciena (CIEN) P/S ratio at the end of 2025 was 5.6×. Annual values reflect the multiple on the last trading day of each calendar year, using the trailing twelve-month revenue figure available at that date.

Question 8

Why does Ciena's P/S ratio change over time?

Accepted Answer

Valuation multiples move with two inputs: the numerator (market capitalisation, which tracks the share price) and the denominator (revenue). Share-price changes — driven by interest rates, earnings expectations, risk appetite, and broader market sentiment — typically dominate short-term moves, while changes in the underlying fundamental drive the longer-term trend. As a result, the ratio can rise during stock-price rallies even if the business itself has not become more valuable, and fall during sell-offs even when fundamentals are improving.


2025	$26.88B	$4.77B	5.6×	+3.3×	Nov 1, 2025
2024	$9.26B	$4.05B	2.3×	+0.9×	Nov 2, 2024
2023	$6.22B	$4.39B	1.4×	-0.5×	Oct 31, 2023
2022	$7.12B	$3.63B	2.0×	-0.4×	Oct 31, 2022
2021	$8.58B	$3.62B	2.4×	+0.6×	Oct 31, 2021
2020	$6.09B	$3.53B	1.7×	+0.1×	Oct 31, 2020
2019	$5.75B	$3.57B	1.6×	+0.2×	Oct 31, 2019
2018	$4.49B	$3.09B	1.5×	+0.4×	Oct 31, 2018
2017	$3.04B	$2.80B	1.1×	+0.0×	Oct 31, 2017
2016	$2.71B	$2.60B	1.0×	-0.3×	Oct 31, 2016
2015	$3.24B	$2.45B	1.3×	+0.5×	Oct 31, 2015
2014	$1.79B	$2.29B	0.8×	-0.4×	Oct 31, 2014
2013	$2.41B	$2.08B	1.2×	+0.5×	Oct 31, 2013
2012	$1.24B	$1.83B	0.7×	-0.1×	Oct 31, 2012
2011	$1.28B	$1.74B	0.7×	-0.3×	Oct 31, 2011
2010	$1.28B	$1.24B	1.0×	-0.6×	Oct 31, 2010
2009	$1.08B	$652.63M	1.6×	+0.7×	Oct 31, 2009
2008	$864.62M	$902.45M	1.0×	-4.3×	Oct 31, 2008
2007	$4.13B	$779.77M	5.3×	+1.8×	Oct 31, 2007
2006	$1.99B	$564.06M	3.5×	+0.3×	Oct 31, 2006
2005	$1.37B	$427.26M	3.2×	-1.4×	Oct 31, 2005
2004	$1.37B	$298.71M	4.6×	-6.1×	Oct 31, 2004
2003	$3.03B	$283.14M	10.7×	+6.3×	Oct 31, 2003
2002	$1.58B	$361.15M	4.4×	+1.0×	Oct 31, 2002
2001	$5.33B	$1.60B	3.3×	—	Oct 31, 2001


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P/S Ratio for Ciena (CIEN)

P/S Ratio daily chart for Ciena (CIEN)

Historical P/S Ratio for Ciena (CIEN) from 2001 to 2025

About P/S Ratio at Ciena (CIEN)

Ciena P/S Ratio by Year

Ciena P/S Ratio 2025: 5.6×

Ciena P/S Ratio 2024: 2.3×

Ciena P/S Ratio 2023: 1.4×

Ciena P/S Ratio 2022: 2.0×

Ciena P/S Ratio 2021: 2.4×

Sector peers by P/S Ratio — chart

Sector peers by P/S Ratio — table

Frequently asked questions

Ciena (CIEN) Key Financials

P/S Ratio daily chart for Ciena (CIEN)

Historical P/S Ratio for Ciena (CIEN) from 2001 to 2025

About P/S Ratio at Ciena (CIEN)

Ciena P/S Ratio by Year

Ciena P/S Ratio 2025: 5.6×

Ciena P/S Ratio 2024: 2.3×

Ciena P/S Ratio 2023: 1.4×

Ciena P/S Ratio 2022: 2.0×

Ciena P/S Ratio 2021: 2.4×

Sector peers by P/S Ratio — chart

Sector peers by P/S Ratio — table

Frequently asked questions

+What is Ciena's P/S ratio?

+How is the P/S ratio calculated?

+What is the P/S ratio?

+What is a good P/S ratio for Ciena?

+Is Ciena's P/S ratio high or low?

+What is Ciena's historical P/S ratio range?

+What was Ciena's P/S ratio in 2025?

+Why does Ciena's P/S ratio change over time?

Ciena (CIEN) Key Financials