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CIENCiena Corporation

Is the P/B ratio high or low?

The P/B ratio of 23.45 is 355% above its 5-year average of 5.15, around the middle of its 5-year range (2.07–32.74).

67.18% above its 12-month average of 14.03.

CIEN PB Ratio

CIEN PB Ratio Chart

23.45
+466.43% 1Y
CIEN PB Ratio

CIEN Average PB Ratio Chart

CIEN PB Ratio

CIEN Current vs Average PB Ratio Chart

CIEN PB Ratio Metrics

PB RATIO

23.45

PB RATIO AVG TTM

14.03

PB RATIO AVG 3Y

4.23

PB RATIO AVG 5Y

3.01

PB RATIO AVG 10Y

3.22

PB RATIO AVG 15Y

3.28

PB RATIO AVG 20Y

3.22

CURRENT VS TTM AVG

+67.18%

CURRENT VS 3Y AVG

+454.10%

CURRENT VS 5Y AVG

+679.45%

CURRENT VS 10Y AVG

+627.84%

CURRENT VS 15Y AVG

+614.36%

CURRENT VS 20Y AVG

+628.35%

CIEN Competitors' PB Ratio

NAMEMARKET CAPPB RATIOTTM3Y5Y
Ciena Corporation (CIEN)$65.61B23.4514.034.233.01
Lumentum Holdings Inc. (LITE)vs ›$65.55B27.2634.2914.009.61
Motorola Solutions, Inc. (MSI)vs ›$66.50B26.4533.3380.00106.23
Hewlett Packard Enterprise Company (HPE)vs ›$64.58B2.761.421.201.13
Teradyne, Inc. (TER)vs ›$66.87B21.4212.578.778.42
STMicroelectronics N.V. (STM)vs ›$63.85B3.741.832.002.77
Astera Labs, Inc. Common Stock (ALAB)vs ›$68.55B48.4925.3321.8821.88
United Microelectronics Corporation (UMC)vs ›$69.87B5.782.121.842.02
Monolithic Power Systems, Inc. (MPWR)vs ›$70.50B19.2114.8414.7515.37
Keysight Technologies, Inc. (KEYS)vs ›$60.04B9.606.785.826.59

P/B vs. its own history

At 23.45, P/B is richer than usual, sitting higher than 93% of its 20-year history.

20-year low

0.46

median

3.32

20-year high

121.30

cheaperricher

Book Value Analysis

P/B Ratio

23.45

Market Price / Book Value per Share

PB Ratio Formula & Definition

PB Ratio = Market Cap / Total Shareholders' Equity

The price-to-book ratio compares market capitalization to book value (shareholders' equity). Lower values can indicate a cheaper valuation relative to net assets.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PB Ratio FAQ

What is the P/B ratio for Ciena Corporation (CIEN)?
The P/B ratio for CIEN stock is 23.45.
Is Ciena Corporation's P/B ratio high or low?
The P/B ratio of 23.45 is 355% above its 5-year average of 5.15, around the middle of its 5-year range (2.07–32.74).
What is the TTM average P/B ratio for Ciena Corporation (CIEN)?
The TTM average P/B ratio for CIEN stock is 14.03.
What is the 3Y average P/B ratio for Ciena Corporation (CIEN)?
The 3Y average P/B ratio for CIEN stock is 4.23.
What is the 5Y average P/B ratio for Ciena Corporation (CIEN)?
The 5Y average P/B ratio for CIEN stock is 3.01.
What is the 10Y average P/B ratio for Ciena Corporation (CIEN)?
The 10Y average P/B ratio for CIEN stock is 3.22.
What is the 15Y average P/B ratio for Ciena Corporation (CIEN)?
The 15Y average P/B ratio for CIEN stock is 3.28.
What is the 20Y average P/B ratio for Ciena Corporation (CIEN)?
The 20Y average P/B ratio for CIEN stock is 3.22.

CIEN PB Ratio History

DATEPB RATIO
2026-06-2423.45
2026-06-2323.26
2026-06-2223.29
2026-06-1821.66
2026-06-1722.09
2026-06-1621.77
2026-06-1523.44
2026-06-1222.56
2026-06-1122.52
2026-06-1021.99
2026-06-0922.23
2026-06-0823.61
2026-06-0524.70
2026-06-0427.10
2026-06-0332.39
2026-06-0232.74
2026-06-0129.74
2026-05-2930.30
2026-05-2829.77
2026-05-2730.39
2026-05-2631.45
2026-05-2230.48
2026-05-2130.66
2026-05-2028.97
2026-05-1928.30
2026-05-1827.39
2026-05-1528.95
2026-05-1430.89
2026-05-1330.17
2026-05-1230.14
2026-05-1130.36
2026-05-0828.62
2026-05-0728.13
2026-05-0630.12
2026-05-0528.44
2026-05-0428.12
2026-05-0127.95
2026-04-3027.55
2026-04-2924.82
2026-04-2824.73
2026-04-2726.44
2026-04-2427.19
2026-04-2326.93
2026-04-2226.05
2026-04-2126.42
2026-04-2026.28
2026-04-1726.49
2026-04-1625.85
2026-04-1524.84
2026-04-1424.39
2026-04-1325.06
2026-04-1025.90
2026-04-0925.45
2026-04-0825.79
2026-04-0723.39
2026-04-0622.67
2026-04-0223.38
2026-04-0121.69
2026-03-3120.27
2026-03-3019.06
2026-03-2720.97
2026-03-2620.26
2026-03-2522.85
2026-03-2422.42
2026-03-2321.30
2026-03-2020.04
2026-03-1921.54
2026-03-1820.12
2026-03-1719.32
2026-03-1619.00
2026-03-1317.62
2026-03-1217.59
2026-03-1117.75
2026-03-1017.61
2026-03-0916.63
2026-03-0615.36
2026-03-0515.63
2026-03-0418.31
2026-03-0317.75
2026-03-0218.85
2026-02-2718.59
2026-02-2618.18
2026-02-2518.83
2026-02-2418.27
2026-02-2318.38
2026-02-2017.85
2026-02-1916.97
2026-02-1816.57
2026-02-1716.11
2026-02-1316.20
2026-02-1215.61
2026-02-1115.84
2026-02-1015.92
2026-02-0915.44
2026-02-0614.46
2026-02-0513.48
2026-02-0413.51
2026-02-0314.74
2026-02-0214.31
2026-01-3013.42
2026-01-2913.51
2026-01-2813.71
2026-01-2713.19
2026-01-2612.38
2026-01-2312.21
2026-01-2212.26
2026-01-2112.36
2026-01-2012.86
2026-01-1612.97
2026-01-1512.99
2026-01-1412.71
2026-01-1313.13
2026-01-1212.49
2026-01-0912.29
2026-01-0812.00
2026-01-0713.82
2026-01-0613.55
2026-01-0512.31
2026-01-0213.11
2025-12-3112.47
2025-12-3012.71
2025-12-2912.74
2025-12-2612.88
2025-12-2412.81
2025-12-2312.81
2025-12-2212.62
2025-12-1912.28
2025-12-1811.23
2025-12-1710.87
2025-12-1611.18
2025-12-1511.52
2025-12-1211.64
2025-12-1112.56
2025-12-1011.50
2025-12-0911.11
2025-12-0811.04
2025-12-0510.46
2025-12-0410.15
2025-12-0310.02
2025-12-0210.50
2025-12-0110.42
2025-11-2810.59
2025-11-2610.38
2025-11-2510.17
2025-11-2410.09
2025-11-219.24
2025-11-209.15
2025-11-199.79
2025-11-189.69
2025-11-179.94
2025-11-149.94
2025-11-1310.07
2025-11-1210.86
2025-11-1110.75
2025-11-1010.82
2025-11-0710.33
2025-11-0610.44
2025-11-0510.15
2025-11-049.48
2025-11-039.83
2025-10-319.85
2025-10-309.80
2025-10-299.81
2025-10-289.49
2025-10-279.46
2025-10-249.28
2025-10-238.95
2025-10-228.53
2025-10-218.80
2025-10-208.97
2025-10-178.86
2025-10-168.85
2025-10-158.75
2025-10-148.54
2025-10-138.54
2025-10-108.08
2025-10-098.48
2025-10-088.28
2025-10-077.85
2025-10-067.94
2025-10-037.85
2025-10-027.91
2025-10-017.87
2025-09-307.55
2025-09-297.47
2025-09-267.36
2025-09-257.11
2025-09-247.18
2025-09-237.23
2025-09-227.22
2025-09-197.17
2025-09-187.16
2025-09-177.07
2025-09-167.13
2025-09-157.05
2025-09-126.81
2025-09-116.87
2025-09-106.73
2025-09-096.33
2025-09-086.17
2025-09-056.05
2025-09-046.06
2025-09-034.95
2025-09-024.89
2025-08-294.91
2025-08-285.11
2025-08-274.84
2025-08-264.78
2025-08-254.74
2025-08-224.69
2025-08-214.56
2025-08-204.52
2025-08-194.64
2025-08-184.80
2025-08-154.74
2025-08-144.77
2025-08-134.94
2025-08-125.03
2025-08-114.88
2025-08-084.96
2025-08-074.97
2025-08-064.92
2025-08-054.78
2025-08-044.84
2025-08-014.63
2025-07-314.85
2025-07-304.85
2025-07-294.76
2025-07-284.73
2025-07-254.63
2025-07-244.55
2025-07-234.53
2025-07-224.40
2025-07-214.46
2025-07-184.44
2025-07-174.43
2025-07-164.39
2025-07-154.31
2025-07-144.25
2025-07-114.06
2025-07-104.10
2025-07-094.14
2025-07-084.11
2025-07-074.18
2025-07-034.25
2025-07-024.15
2025-07-014.18
2025-06-304.25
2025-06-274.29
2025-06-264.26
2025-06-254.15
2025-06-244.14
2025-06-233.94
2025-06-203.89
2025-06-183.85
2025-06-173.84
2025-06-163.85
2025-06-133.77
2025-06-123.87
2025-06-113.77

Showing the most recent 260 of 4,212 data points. The chart above shows the full history.

About Ciena Corporation

Ciena Corporation is a global technology company focused on telecommunications infrastructure. It delivers integrated solutions – including specialized hardware, software applications, and professional services – designed to facilitate the efficient transmission, routing, switching, aggregation, delivery, and overall management of video, data, and voice traffic across communication networks worldwide. Within its Networking Platforms division, Ciena develops and supplies advanced hardware and integrated solutions. These products are specifically engineered to optimize the convergence of various optical transport methods (like coherent optical transport and optical transport network switching) with packet switching, enabling high-performance data handling. The product portfolio spans a range of packet-optical platforms (e.g., the 6500, 5400, and Z-Series), reconfigurable switching systems (such as the 5430), Waveserver interconnect systems, and dedicated switches for service delivery and aggregation (including the 3000 and 5000 families). This segment also provides the essential operating system software and advanced features embedded within its hardware offerings. Ciena's Blue Planet Automation Software and Services arm is dedicated to intelligent network automation. It offers solutions for orchestrating services across multiple network domains, maintaining precise network inventory, optimizing data routes, coordinating virtualized network functions (NFV), and delivering insightful analytics, alongside related support. The Platform Software and Services segment provides unified management platforms, exemplified by its OneControl system, as well as other software tools for comprehensive network planning, operational control, and ongoing oversight. Finally, the Global Services segment delivers end-to-end client support. This includes strategic consulting, detailed network architecture design, expert installation and deployment, ongoing maintenance, and comprehensive training programs. The company distributes its cutting-edge products and services to network operators through both direct sales forces and indirect channel partners. Established in 1992, Ciena Corporation maintains its corporate headquarters in Hanover, Maryland.

Hanover, MD
8,795 employees
Technology / Communication Equipment
Sector
Technology
Industry
Communication Equipment
CEO
Gary Smith