Oi (OIBZQ) Cyclically Adjusted PB Ratio: (As of Sep. 21, 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.

OIBZQ Oi SA OIBZQ
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What is Oi Cyclically Adjusted PB Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Oi  (OTCPK:OIBZQ) 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.


Oi Cyclically Adjusted PB Ratio Related Terms


Oi Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Oi'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.

Oi Cyclically Adjusted PB Ratio Chart

Oi Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.01 0.01 0.00 0.01 -

Oi Quarterly Data
Jun20 Sep20 Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Mar25 Jun25
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

OIBZQ vs TMUS, VZ, T: Cyclically Adjusted PB Ratio Comparison

For the Telecom Services subindustry, Oi'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.


Oi Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

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

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


OIBZQ
31GF Score
Oi SA OIBZQ
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Oi 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.

Oi's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2025 is calculated as:

For example, Oi's adjusted Book Value per Share data for the three months ended in Jun. 2025 was:

Adj_Book=Book Value per Share/CPI of Jun. 2025 (Change)*Current CPI (Jun. 2025)
=-43.997/169.6698*169.6698
=-43.997

Current CPI (Jun. 2025) = 169.6698.

Oi Quarterly Data

Book Value per Share CPI Adj_Book
201506 9,479.230 100.006 16,082.377
201509 7,955.042 101.392 13,311.988
201512 2,567.989 104.247 4,179.594
201603 2,514.438 106.979 3,987.928
201606 2,471.548 108.851 3,852.501
201609 2,253.296 109.986 3,476.042
201612 -148.385 110.802 -227.220
201703 2,591.925 111.869 3,931.125
201706 1,859.353 112.115 2,813.874
201709 1,914.445 112.777 2,880.223
201712 -2,924.144 114.068 -4,349.509
201803 3,672.719 114.868 5,424.913
201806 2,935.429 117.038 4,255.501
201809 1,115.006 117.881 1,604.857
201812 1,284.201 118.340 1,841.217
201903 603.010 120.124 851.728
201906 573.897 120.977 804.886
201909 409.488 121.292 572.813
201912 378.103 123.436 519.723
202003 191.107 124.092 261.300
202006 127.074 123.557 174.499
202009 91.021 125.095 123.454
202012 127.847 129.012 168.137
202103 64.769 131.660 83.467
202106 112.586 133.871 142.693
202109 16.926 137.913 20.824
202112 -40.481 141.992 -48.372
202203 19.146 146.537 22.168
202206 13.142 149.784 14.887
202209 -35.540 147.800 -40.799
202212 -353.339 150.207 -399.123
202303 -389.256 153.352 -430.675
202306 -424.144 154.519 -465.732
202309 -457.077 155.464 -498.845
202312 -479.633 157.148 -517.851
202403 -513.177 159.372 -546.334
202406 -230.879 161.052 -243.234
202409 -210.459 162.342 -219.958
202503 -39.655 168.102 -40.025
202506 -43.997 169.670 -43.997

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.


Oi Business Description

Address Rua do Lavradio, No. 71, 2nd Floor, Centro, Rio de Janeiro, RJ, BRA, 22280-004
Oi SA is a telecommunications company providing convergent broadband, pay TV, and local and long-distance voice transmission services. Currently, the group is focused on integrating telecommunications and Information and Communication Technology (ICT) services by offering a range of digital solutions related to cybersecurity, telecommunications, AI, cloud, and digital transformation for the corporate customer market. Additionally, the group is involved in providing BPO and field services, operating call centers, and offering a range of legacy services, which include services related to copper technology and regulated wholesale services. Geographically, the group operates in Bazil.
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Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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