Ciena PE Ratio 2012-2026 | CIEN

Current and historical p/e ratio for Ciena (CIEN) from 2012 to 2026. The price to earnings ratio is calculated by taking the latest closing price and dividing it by the most recent earnings per share (EPS) number. The PE ratio is a simple way to assess whether a stock is over or under valued and is the most widely used valuation measure. Ciena PE ratio as of September 14, 2026 is 64.31.

Unlock Macrotrends Premium
40 years of data
Faster, ad-free pages
Unlimited data exports
Full-width charts
Ciena PE Ratio Historical Data
Date Stock Price TTM Net EPS PE Ratio
2026-09-15 334.33 74.63
2026-07-31 377.05 $4.48 84.16
2026-04-30 527.58 $3.00 175.86
2026-01-31 251.81 $1.57 160.39
2025-10-31 189.92 $0.85 223.44
2025-07-31 92.84 $0.98 94.73
2025-04-30 67.16 $0.73 92.00
2025-01-31 87.14 $0.55 158.44
2024-10-31 63.51 $0.58 109.50
2024-07-31 52.74 $0.94 56.11
2024-04-30 46.23 $1.04 44.45
2024-01-31 53.00 $1.54 34.42
2023-10-31 42.20 $1.71 24.68
2023-07-31 42.20 $1.48 28.51
2023-04-30 46.04 $1.35 34.10
2023-01-31 52.02 $1.22 42.64
2022-10-31 47.90 $1.00 47.90
2022-07-31 51.60 $1.26 40.95
2022-04-30 55.17 $2.71 20.36
2022-01-31 66.31 $3.12 21.25
2021-10-31 54.29 $3.19 17.02
2021-07-31 58.14 $2.96 19.64
2021-04-30 50.47 $2.35 21.48
2021-01-31 53.39 $2.28 23.42
2020-10-31 39.39 $2.32 16.98
2020-07-31 59.51 $2.42 24.59
2020-04-30 46.25 $2.06 22.45
2020-01-31 40.67 $1.80 22.59
2019-10-31 37.12 $1.61 23.06
2019-07-31 45.22 $1.46 30.97
2019-04-30 38.36 $1.25 30.69
2019-01-31 38.09 $1.01 37.71
2018-10-31 31.26 $-2.49 0.00
2018-07-31 25.40 $4.00 6.35
2018-04-30 25.75 $4.05 6.36
2018-01-31 21.28 $4.21 5.05
2017-10-31 21.27 $7.53 2.82
2017-07-31 25.75 $0.93 27.69
2017-04-30 22.91 $0.77 29.75
2017-01-31 24.34 $0.62 39.26
2016-10-31 19.38 $0.51 38.00
2016-07-31 19.19 $0.16 119.94
2016-04-30 16.83 $0.12 140.25
2016-01-31 17.77 $0.19 93.53
2015-10-31 24.14 $0.10 241.40
2015-07-31 25.45 $-0.09 0.00
2015-04-30 21.30 $-0.13 0.00
2015-01-31 18.52 $-0.40 0.00
2014-10-31 16.76 $-0.38 0.00
2014-07-31 19.53 $-0.18 0.00
2014-04-30 19.77 $-0.34 0.00
2014-01-31 23.33 $-0.51 0.00
2013-10-31 23.27 $-0.83 0.00
2013-07-31 22.06 $-1.13 0.00
2013-04-30 14.96 $-1.42 0.00
2013-01-31 15.66 $-1.43 0.00
2012-10-31 12.42 $-1.45 0.00
2012-07-31 16.03 $-1.28 0.00
2012-04-30 14.82 $-1.31 0.00
2012-01-31 14.55 $-1.69 0.00
2011-10-31 13.18 $-2.04 0.00
2011-07-31 15.46 $-2.68 0.00
2011-04-30 28.24 $-3.53 0.00
2011-01-31 22.03 $-3.84 0.00
2010-10-31 13.81 $-3.58 0.00
2010-07-31 13.09 $-3.01 0.00
2010-04-30 18.53 $-2.12 0.00
2010-01-31 12.75 $-6.68 0.00
2009-10-31 11.73 $-6.37 0.00
2009-07-31 11.16 $-6.30 0.00
2009-04-30 11.95 $-5.89 0.00
2009-01-31 6.24 $-0.13 0.00
2008-10-31 9.61 $0.42 22.88
2008-07-31 20.67 $0.95 21.76
2008-04-30 33.81 $1.12 30.19
2008-01-31 27.13 $1.03 26.34
2007-10-31 47.86 $0.87 55.01
2007-07-31 36.53 $0.71 51.45
2007-04-30 29.16 $0.37 78.81
2007-01-31 28.09 $0.21 133.76
2006-10-31 23.51 $0.01 0.00
Sector Industry Market Cap Revenue
Computer and Technology Communication Components Manufacturers $45.328B $4.770B
Ciena Corp. is a leading provider of optical networking equipment, software and services. Its reporting segments are: Networking Platforms, Platform Software & Services, Blue Planet Automation Software & Services, and Global Services. Networking Platforms segment includes networking solutions optimized for the convergence of coherent optical transport, Optical Transport Network switching and packet switching. Its products include the 6500 packet-optical platform, the Waveserver family of products, 6500 Reconfigurable Line System, 5400 family of packet-optical platforms and coherent-optimized edge line system, the 3900 family of service delivery switches and service aggregation switches and the 5000 series of service aggregation platforms. The Platform Software & Services segment provides domain control management, analytics data and planning tools. Blue Planet is a comprehensive, cloud native and standards-based software portfolio that enables customers to realize their digital transformation.
Stock Name Country Market Cap PE Ratio
Corning (GLW) United States $123.695B 50.03
Lumentum Holdings (LITE) United States $74.902B 131.29
Viavi Solutions (VIAV) United States $8.345B 43.92
Belden Inc (BDC) United States $4.432B 13.90
Knowles (KN) United States $2.956B 33.93
Harmonic (HLIT) United States $1.227B 29.60
Ooma (OOMA) United States $0.630B 28.87
NETGEAR (NTGR) United States $0.582B 0.00
ADTRAN Holdings (ADTN) United States $0.574B 25.14
AudioCodes (AUDC) Israel $0.234B 24.23
KVH Industries (KVHI) United States $0.128B 0.00
AmpliTech (AMPG) United States $0.102B 0.00
Airgain (AIRG) United States $0.068B 0.00
Knightscope (KSCP) United States $0.031B 0.00
UTStarcom Holdings Corp (UTSI) China $0.021B 0.00
ClearOne (CLRO) United States $0.012B 0.00