Companies: 10,795·Total market cap: $144.5T
Ciena Corporation

Ciena Corporation

CIENNYSETechnology● Active
$488.21
$-47.42(-8.85%)
Market Cap$69.1B
P/E Ratio
52W High$637.51
52W Low$70.77
Overview

Ciena Corporation (CIEN) PE Ratio — Current & Historical Data

Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.

cien · pe ratio · data through Nov 1, 2025

Core PE Ratio Metrics

Trailing 12 months · TTM

The price-to-earnings (P/E) ratio for Ciena Corporation (CIEN) measures how much investors pay for each dollar of the company's trailing earnings. CIEN's current PE ratio of 158.11x is calculated by dividing its stock price of $488.21 by its TTM earnings per share of $3.09. +89.2% elevated vs 5Y avg 83.6x

158.11x
P/E Ratio (TTM)+89.2%

Source: FMP · /ratios-ttm · /analyst-estimates · 2025-11-01

Forward P/E
79.14x
FY2026 est. EPS $6.17
Based on 12 analysts
EPS (TTM)
$3.09
TTM · diluted EPS
PEG Ratio
0.49
Below 1.0 · Growth adjusted
Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Ciena Corporation SEC 10-K & 10-Q filings · US GAAPUpdated: 2026-06-08

PE Ratio History

2006 – 2025 · Annual
PE Ratio (TTM)
5Y Avg 83.6x
EPS (Annual)

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)

Historical PE Range

Past 13 fiscal years · Front-end computed
Average
317.4x
13-yr mean
Median
36.9x
13-yr midpoint
Minimum
2.4x
Lowest year
Maximum
3312.7x
Highest year
158.1x ← Now
2.4x
Min
Q1 · 25%36.9x
Median
Q3 · 75%3312.7x
Max
Historically Elevated

At 158.11x, CIEN's current P/E is higher than in 77% of its annual fiscal year readings over the past 13 years — historically elevated.

77th percentileHigher than 10 of 13 historical fiscal year readings

Percentile calculated from annual fiscal year data points, not by trading day. Years where PE ≤ 0 or > 9,999 are excluded.

PE Ratio vs Peers

Communication Equipment · 6 peers · Annual PE
CompanyMarket CapPE (Annual)vs AvgEPS (TTM)
Ciena Corporation
Ciena CorporationYou
CIEN
$69.1B158.11x-7.3%$3.09
AST SpaceMobile, Inc.
AST SpaceMobile, Inc.
ASTS
$38.1BN/A-$1.34
Broadridge Financial Solutions, Inc.
Broadridge Financial Solutions, Inc.
BR
$17.5B33.90x-80.1%$7.17
Credo Technology Group Holding Ltd
Credo Technology Group Holding Ltd
CRDO
$38.2B69.70x-59.1%$2.65
Telefonaktiebolaget LM Ericsson (publ)
Telefonaktiebolaget LM Ericsson (publ)
ERIC
$41.7B11.10x-93.5%$8.02
Hewlett Packard Enterprise Company
Hewlett Packard Enterprise Company
HPE
$65.2B567.23x+232.7%$0.04
EchoStar Corporation
EchoStar Corporation
SATS
$33.5BN/A-$50.41
Industry Average
4 peers with valid PE
170.48xbaseline

* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio

Annual PE Ratio History

Showing 10 of 20 years
Fiscal Year EndPE RatioEPS (TTM)YoY ChangePE vs Max
2025-11-01Latest
FY2025
219.00x$0.87+98.6%
2024-11-02
FY2024
110.27x$0.58+359.8%
2023-10-28
FY2023
23.98x$1.71-49.7%
2022-10-29
FY2022
47.72x$1.01+183.1%
2021-10-30
FY2021
16.85x$3.22+0.2%
2020-10-31
FY2020
16.82x$2.34-26.2%
2019-10-31
FY2019
22.81x$1.63
2018-10-31
FY2018
$-2.49
2017-10-31
FY2017
2.39x$8.89-93.5%
2016-10-31
FY2016
36.93x$0.52-84.9%

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API

About PE Ratio & Methodology

The price-to-earnings (P/E) ratio for Ciena Corporation (CIEN) measures how much investors pay for each dollar of the company's trailing earnings. CIEN's current PE ratio of 158.11x is calculated by dividing its stock price of $488.21 by its TTM earnings per share of $3.09.

PE Ratio = Stock Price ÷ EPS (TTM)
= $488.21 ÷ $3.09 = 158.11x
TTMTrailing Twelve Months — sum of the most recent 4 quarterly EPS figures
Forward PEStock price ÷ analyst consensus EPS estimate for the next fiscal year
PEGPE ÷ earnings growth rate — values below 1.0 suggest growth may justify the premium
Figures tie to SEC 10-K/10-Q and FMP ratio endpoints where noted.

Frequently asked questions

CIEN pe ratio · 6 questions

CIEN's current PE ratio is 158.11x as of 2026-06-08, based on a stock price of $488.21 and TTM EPS of $3.09. Data sourced from Financial Modeling Prep via CIEN's SEC 10-K and 10-Q filings.

CIEN PE ratioWhat is CIEN PE ratioCurrent PE ratio of CIENCIEN PE ratio today

Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Ciena Corporation SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-08