Syn hf (OISE:SYN) Cyclically Adjusted PB Ratio: 0.51 (As of Jul. 24, 2026) — 56% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

OISE:SYN Syn hf OISE:SYN
62 GF Score
Price kr21.20
GF Value kr31.23
Valuation Possible Value Trap
! 8 Warning Signs
View Full Analysis

What is Syn hf Cyclically Adjusted PB Ratio?

Syn hf OISE:SYN 62 Cyclically Adjusted PB Ratio is 0.51 as of Jul. 24, 2026, which is 56% below its 10-year median of 1.16. GuruFocus rates OISE:SYN with a GF Score™ of 62/100 and a GF Value™ of kr31.23 (Possible Value Trap). The stock has 8 warning signs investors should review. Among 288 Telecommunication Services companies, Syn hf ranks better than 85.76% on this metric.

As of today (2026-07-24), Syn hf's current share price is kr21.20. Syn hf's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was kr41.84. Syn hf's Cyclically Adjusted PB Ratio for today is 0.51.

The historical rank and industry rank for Syn hf's Cyclically Adjusted PB Ratio or its related term are showing as below:

OISE:SYN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.41   Med: 1.16   Max: 2.16
Current: 0.5

During the past years, Syn hf's highest Cyclically Adjusted PB Ratio was 2.16. The lowest was 0.41. And the median was 1.16.

OISE:SYN's Cyclically Adjusted PB Ratio is ranked better than
85.76% of 288 companies
in the Telecommunication Services industry
Industry Median: 1.78 vs OISE:SYN: 0.50

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Syn hf's adjusted book value per share data for the three months ended in Mar. 2026 was kr31.367. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is kr41.84 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Syn hf  (OISE:SYN) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Syn hf Cyclically Adjusted PB Ratio Related Terms


Syn hf Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Syn hf's Cyclically Adjusted PB Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Syn hf Cyclically Adjusted PB Ratio Chart

Syn hf Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.10 1.76 1.25 0.80 0.44

Syn hf Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.76 0.60 0.68 0.44 0.51

OISE:SYN vs TMUS, VZ, T: Cyclically Adjusted PB Ratio Comparison

For the Telecom Services subindustry, Syn hf's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Syn hf Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, Syn hf's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Syn hf's Cyclically Adjusted PB Ratio falls into.


OISE:SYN
62GF Score
Syn hf OISE:SYN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Syn hf Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Syn hf's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=21.20/41.84
=0.51

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Syn hf's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Syn hf's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=31.367/158.5100*158.5100
=31.367

Current CPI (Mar. 2026) = 158.5100.

Syn hf Quarterly Data

Book Value per Share CPI Adj_Book
201606 20.927 101.923 32.546
201609 26.051 102.457 40.303
201612 26.460 102.562 40.894
201703 27.278 102.768 42.074
201706 28.005 103.496 42.891
201709 26.100 103.871 39.829
201712 34.175 104.481 51.847
201803 34.415 105.600 51.658
201806 34.422 106.206 51.374
201809 35.275 106.727 52.390
201812 36.118 108.388 52.820
201903 37.535 108.702 54.734
201906 36.658 109.758 52.941
201909 36.807 109.922 53.077
201912 29.679 110.588 42.540
202003 28.491 111.019 40.679
202006 28.286 112.667 39.795
202009 28.309 113.772 39.441
202012 28.839 114.542 39.909
202103 27.688 115.833 37.889
202106 27.270 117.451 36.803
202109 30.791 118.723 41.110
202112 35.543 120.398 46.794
202203 32.943 123.555 42.263
202206 16.160 127.809 20.042
202209 35.610 129.810 43.483
202212 35.240 131.901 42.349
202303 31.355 135.674 36.632
202306 34.701 139.150 39.529
202309 36.647 140.147 41.449
202312 40.809 142.125 45.514
202403 40.738 144.910 44.561
202406 43.155 147.267 46.450
202409 39.940 147.722 42.857
202412 34.937 148.871 37.199
202503 33.568 150.393 35.380
202506 32.901 153.367 34.004
202509 31.977 153.800 32.956
202512 32.506 155.560 33.122
202603 31.367 158.510 31.367

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 0.51 mean?
Syn hf (OISE:SYN) has a Cyclically Adjusted PB Ratio of 0.51 as of Jul. 24, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Syn hf and its competitors. This is 56% below median its historical median of 1.16. Over the past decade, Syn hf's Cyclically Adjusted PB Ratio has ranged from 0.41 to 2.16. According to the industry distribution chart, Syn hf ranks #41 out of 288 companies in the Telecommunication Services industry, placing it in the top 14.2%.
Is Syn hf's Cyclically Adjusted PB Ratio too high?
Syn hf's current Cyclically Adjusted PB Ratio of 0.51 is 56% below median its 10-year median of 1.16. Over the past 10 years, this metric has ranged from a low of 0.41 to a high of 2.16. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.78. Syn hf's value of 0.51 is 71.3% below this industry median. Based on the distribution chart, Syn hf ranks #41 out of 288 companies in the Telecommunication Services industry, which is in the top quartile — a strong position relative to peers. Overall, Syn hf has a GF Score™ of 62/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Syn hf's Cyclically Adjusted PB Ratio compare to TMUS and VZ?
According to the Telecommunication Services industry distribution chart, Syn hf ranks #41 out of 288 companies for Cyclically Adjusted PB Ratio. This places Syn hf in the top 14% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.78. Syn hf's value of 0.51 is 71.3% below this benchmark. Historically, Syn hf's own Cyclically Adjusted PB Ratio has ranged from 0.41 to 2.16 over the past decade. While the company's 10-year median is 1.16 vs. the industry median of 1.78, Syn hf has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Telecommunication Services company?
The median Cyclically Adjusted PB Ratio among Telecommunication Services companies is 1.78, based on 288 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Syn hf's current Cyclically Adjusted PB Ratio of 0.51 is 71.3% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Syn hf and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Syn hf's current Cyclically Adjusted PB Ratio is 0.51, which is 56% below median its own 10-year median of 1.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Syn hf stock overvalued right now?
Based on GuruFocus' analysis, Syn hf (OISE:SYN) is currently considered Possible Value Trap. The stock's GF Value™ is kr31.23, compared to a current price of kr21.20 — trading 32.1% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.51, which is 56% below median its 10-year median of 1.16 and 71.3% below the Telecommunication Services industry median of 1.78. Syn hf's overall GF Score™ is 62/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Syn hf (OISE:SYN), the current Cyclically Adjusted PB Ratio is 0.51 as of Jul. 24, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Syn hf (OISE:SYN) Overvalued in 2026?

Based on GuruFocus' analysis, Syn hf stock appears to be undervalued. The current stock price of kr21.20 is trading 32.1% below its estimated GF Value™ of kr31.23. GuruFocus considers Syn hf to be Possible Value Trap.

Key valuation signals for OISE:SYN:

  • Cyclically Adjusted PB Ratio: 0.51 (56% below median its 10-year median of 1.16)
  • GF Value™: kr31.23 vs. price of kr21.20 (32.1% below fair value)
  • GF Score™: 62/100 with 8 warning signs
  • Industry Position: 71.3% below the Telecommunication Services median (#41 of 288)

No single metric tells the full story. See the OISE:SYN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Syn hf Business Description

Address Suourlandsbraut 8, Reykjavik, ISL, 108
Syn hf is an Iceland based Telecommunication and Media company. The company generates revenue from sales of Fixed line, Hosting and operating solutions, Retail sale and Other revenue which includes services revenue.
62GF Score

Get the complete analysis for OISE:SYN

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

kr21.20
Price
kr31.23
GF Value