Prosafe SE (OSL:PRS) Cyclically Adjusted PB Ratio: 0.00 (As of Sep. 17, 2026)

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.

OSL:PRS Prosafe SE OSL:PRS
53 GF Score
Price kr5.10
GF Value kr1.48
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is Prosafe SE Cyclically Adjusted PB Ratio?

Prosafe SE OSL:PRS +0.59% 53 Cyclically Adjusted PB Ratio is 0.00 as of Sep. 17, 2026. GuruFocus rates OSL:PRS with a GF Score™ of 53/100 and a GF Value™ of kr1.48 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 754 Oil & Gas companies, Prosafe SE ranks worse than 132625.86% on this metric.

As of today (2026-09-17), Prosafe SE's current share price is kr5.10. Prosafe SE's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was kr5,428.39. Prosafe SE's Cyclically Adjusted PB Ratio for today is 0.00.

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

During the past years, Prosafe SE's highest Cyclically Adjusted PB Ratio was 0.03. The lowest was 0.01. And the median was 0.02.

OSL:PRS's Cyclically Adjusted PB Ratio is not ranked *
in the Oil & Gas industry.
Industry Median: 1.265
* Ranked among companies with meaningful Cyclically Adjusted PB Ratio only.

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.

Prosafe SE's adjusted book value per share data for the three months ended in Jun. 2026 was kr3.787. 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 kr5,428.39 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Prosafe SE  (OSL:PRS) 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.


Prosafe SE Cyclically Adjusted PB Ratio Related Terms


Prosafe SE Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Prosafe SE'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.

Prosafe SE Cyclically Adjusted PB Ratio Chart

Prosafe SE 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 0.00 0.00 0.00 0.00 0.00

Prosafe SE Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 0.00 0.00 0.00 0.00 0.00

OSL:PRS vs SLB, BKR, HAL: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas Equipment & Services subindustry, Prosafe SE'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.


Prosafe SE Cyclically Adjusted PB Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Prosafe SE's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


OSL:PRS
53GF Score
Prosafe SE OSL:PRS
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Prosafe SE 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.

Prosafe SE's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=5.10/5428.394
=0.00

* 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.

Prosafe SE's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Prosafe SE's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=3.787/141.6200*141.6200
=3.787

Current CPI (Jun. 2026) = 141.6200.

Prosafe SE Quarterly Data

Book Value per Share CPI Adj_Book
201609 116,600.560 104.200 158,473.813
201612 114,774.729 104.400 155,693.459
201703 118,976.873 105.000 160,471.474
201706 113,026.954 105.800 151,293.736
201709 45,089.457 105.900 60,298.101
201712 42,596.319 106.100 56,856.651
201803 41,999.744 107.300 55,433.399
201806 44,054.916 108.500 57,502.831
201809 37,396.244 109.500 48,365.809
201812 37,612.904 109.800 48,513.110
201903 34,807.917 110.400 44,651.243
201906 34,647.207 110.600 44,364.715
201909 1,400.371 111.100 1,785.063
201912 228.679 111.300 290.975
202003 -97,798.719 111.200 -124,552.649
202006 -94,081.681 112.100 -118,856.803
202009 -92,952.527 112.900 -116,598.201
202012 -87,417.524 112.900 -109,655.179
202103 -95,472.048 114.600 -117,982.124
202106 -97,196.163 115.300 -119,383.526
202109 -99,583.945 117.500 -120,026.198
202112 32.294 118.900 38.465
202203 22.319 119.800 26.384
202206 34.288 122.600 39.607
202209 47.602 125.600 53.674
202212 37.070 125.900 41.699
202303 17.433 127.600 19.348
202306 15.934 130.400 17.305
202309 10.742 129.800 11.720
202312 19.210 131.900 20.626
202403 15.360 132.600 16.405
202406 8.819 133.800 9.334
202409 2.358 133.700 2.498
202412 -8.390 134.800 -8.814
202503 -16.154 136.100 -16.809
202506 -28.996 137.800 -29.800
202509 3.858 138.500 3.945
202512 4.051 139.140 4.123
202603 3.893 141.060 3.908
202606 3.787 141.620 3.787

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 0.00 mean?
Prosafe SE (OSL:PRS) has a Cyclically Adjusted PB Ratio of 0.00 as of Sep. 17, 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 Prosafe SE and its competitors. Over the past decade, Prosafe SE's Cyclically Adjusted PB Ratio has ranged from 0.01 to 0.03. According to the industry distribution chart, Prosafe SE ranks #999999 out of 754 companies in the Oil & Gas industry.
Is Prosafe SE's Cyclically Adjusted PB Ratio too high?
Prosafe SE's current Cyclically Adjusted PB Ratio is 0.00. Over the past 10 years, this metric has ranged from a low of 0.01 to a high of 0.03. Based on the distribution chart, Prosafe SE ranks #999999 out of 754 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Prosafe SE has a GF Score™ of 53/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Prosafe SE's Cyclically Adjusted PB Ratio compare to SLB and BKR?
According to the Oil & Gas industry distribution chart, Prosafe SE ranks #999999 out of 754 companies for Cyclically Adjusted PB Ratio. This places Prosafe SE in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.27. Historically, Prosafe SE's own Cyclically Adjusted PB Ratio has ranged from 0.01 to 0.03 over the past decade. 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 an Oil & Gas company?
The median Cyclically Adjusted PB Ratio among Oil & Gas companies is 1.27, based on 754 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. 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 Prosafe SE and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Prosafe SE's current Cyclically Adjusted PB Ratio is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Prosafe SE stock overvalued right now?
Based on GuruFocus' analysis, Prosafe SE (OSL:PRS) is currently considered Significantly Overvalued. The stock's GF Value™ is kr1.48, compared to a current price of kr5.10 — trading 244.6% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.00. Prosafe SE's overall GF Score™ is 53/100 with 6 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 Prosafe SE (OSL:PRS), the current Cyclically Adjusted PB Ratio is 0.00 as of Sep. 17, 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 Prosafe SE (OSL:PRS) Overvalued in 2026?

Based on GuruFocus' analysis, Prosafe SE stock appears to be overvalued. The current stock price of kr5.10 is trading 244.6% above its estimated GF Value™ of kr1.48. GuruFocus considers Prosafe SE to be Significantly Overvalued.

Key valuation signals for OSL:PRS:

  • Cyclically Adjusted PB Ratio: 0.00
  • GF Value™: kr1.48 vs. price of kr5.10 (244.6% above fair value)
  • GF Score™: 53/100 with 6 warning signs

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


Prosafe SE Business Description

Industry EnergyOil & Gas
Other Exchanges PRSEF:USA1Q6:Germany
Address Ruselokkveien 30, Stavanger, NOR, 0251
Prosafe SE is an owner and operator of semi-submersible accommodation, safety, and support vessels, and one Tender Support Vessel. The company's vessels serve energy companies on various offshore projects in offshore oil and gas areas. The company's operations are related to the support of the lifecycle of offshore installations, such as maintenance and modification of installations on fields already in production, hook-up and commissioning of new fields, tie-backs to existing infrastructure, and decommissioning. The Group has one segment, which is chartering and operation of accommodation vessels for maintenance and safety. Geographically, the company operates in South America; Europe; North America; and APAC. It derives maximum revenue from South America.
53GF Score

Get the complete analysis for OSL:PRS

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

kr5.10
Price
kr1.48
GF Value