Sigma Lithium (TSXV:SGML) Cyclically Adjusted PB Ratio: 18.01 (As of Aug. 21, 2026) — 18% Below Median

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TSXV:SGML Sigma Lithium Corp TSXV:SGML
31 GF Score
Price C$16.03
! 5 Warning Signs
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What is Sigma Lithium Cyclically Adjusted PB Ratio?

Sigma Lithium TSXV:SGML +8.09% 31 Cyclically Adjusted PB Ratio is 18.01 as of Aug. 21, 2026, which is 18% below its 10-year median of 22.07. GuruFocus rates TSXV:SGML with a GF Score™ of 31/100. The stock has 5 warning signs investors should review. Among 1,516 Metals & Mining companies, Sigma Lithium ranks worse than 95.18% on this metric.

As of today (2026-08-21), Sigma Lithium's current share price is C$16.03. Sigma Lithium's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was C$0.89. Sigma Lithium's Cyclically Adjusted PB Ratio for today is 18.01.

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

TSXV:SGML' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 8.09   Med: 22.07   Max: 77.86
Current: 16.63

During the past years, Sigma Lithium's highest Cyclically Adjusted PB Ratio was 77.86. The lowest was 8.09. And the median was 22.07.

TSXV:SGML's Cyclically Adjusted PB Ratio is ranked worse than
95.18% of 1516 companies
in the Metals & Mining industry
Industry Median: 1.51 vs TSXV:SGML: 16.63

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.

Sigma Lithium's adjusted book value per share data for the three months ended in Jun. 2026 was C$1.030. 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 C$0.89 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Sigma Lithium  (TSXV:SGML) 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.


Sigma Lithium Cyclically Adjusted PB Ratio Related Terms


Sigma Lithium Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Sigma Lithium'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.

Sigma Lithium Cyclically Adjusted PB Ratio Chart

Sigma Lithium Annual Data
Trend Oct16 Oct17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 47.40 89.08 69.62 21.34 21.82

Sigma Lithium 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 7.63 10.77 21.82 19.88 20.20

Sigma Lithium Cyclically Adjusted PB Ratio Competitor Comparison

For the Other Industrial Metals & Mining subindustry, Sigma Lithium'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.


Sigma Lithium Cyclically Adjusted PB Ratio vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Sigma Lithium's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TSXV:SGML
31GF Score
Sigma Lithium Corp TSXV:SGML
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sigma Lithium 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.

Sigma Lithium's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=16.03/0.89
=18.01

* 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.

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

For example, Sigma Lithium'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)
=1.03/133.5265*133.5265
=1.030

Current CPI (Jun. 2026) = 133.5265.

Sigma Lithium Quarterly Data

Book Value per Share CPI Adj_Book
201607 -0.002 101.844 -0.003
201610 0.013 102.002 0.017
201701 -0.010 102.318 -0.013
201704 0.121 103.029 0.157
201707 0.097 103.029 0.126
201710 0.051 103.424 0.066
201803 -0.051 105.004 -0.065
201806 0.191 105.557 0.242
201809 0.175 105.636 0.221
201812 0.168 105.399 0.213
201903 0.153 106.979 0.191
201906 0.140 107.690 0.174
201909 0.126 107.611 0.156
201912 0.128 107.769 0.159
202003 0.104 107.927 0.129
202006 0.096 108.401 0.118
202009 0.295 108.164 0.364
202012 0.281 108.559 0.346
202103 0.692 110.298 0.838
202106 0.688 111.720 0.822
202109 0.678 112.905 0.802
202112 1.868 113.774 2.192
202203 1.910 117.646 2.168
202206 1.766 120.806 1.952
202209 1.796 120.648 1.988
202212 1.750 120.964 1.932
202303 1.672 122.702 1.819
202306 1.626 124.203 1.748
202309 1.990 125.230 2.122
202312 1.970 125.072 2.103
202403 1.860 126.258 1.967
202406 1.606 127.522 1.682
202409 1.337 127.285 1.403
202412 1.182 127.364 1.239
202503 1.369 129.181 1.415
202506 1.129 129.892 1.161
202509 1.041 130.287 1.067
202512 0.701 130.366 0.718
202603 0.892 132.262 0.901
202606 1.030 133.527 1.030

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 18.01 mean?
Sigma Lithium (TSXV:SGML) has a Cyclically Adjusted PB Ratio of 18.01 as of Aug. 21, 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 Sigma Lithium and its competitors. This is 18% below median its historical median of 22.07. Over the past decade, Sigma Lithium's Cyclically Adjusted PB Ratio has ranged from 8.09 to 77.86. According to the industry distribution chart, Sigma Lithium ranks #1443 out of 1516 companies in the Metals & Mining industry, placing it in the top 95.2%.
Is Sigma Lithium's Cyclically Adjusted PB Ratio too high?
Sigma Lithium's current Cyclically Adjusted PB Ratio of 18.01 is 18% below median its 10-year median of 22.07. Over the past 10 years, this metric has ranged from a low of 8.09 to a high of 77.86. The Metals & Mining industry median Cyclically Adjusted PB Ratio is 1.51. Sigma Lithium's value of 18.01 is 1092.7% above this industry median. Based on the distribution chart, Sigma Lithium ranks #1443 out of 1516 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers. Overall, Sigma Lithium has a GF Score™ of 31/100, reflecting its overall financial health beyond just this single metric.
How does Sigma Lithium's Cyclically Adjusted PB Ratio compare to competitors?
According to the Metals & Mining industry distribution chart, Sigma Lithium ranks #1443 out of 1516 companies for Cyclically Adjusted PB Ratio. This places Sigma Lithium in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.51. Sigma Lithium's value of 18.01 is 1092.7% above this benchmark. Historically, Sigma Lithium's own Cyclically Adjusted PB Ratio has ranged from 8.09 to 77.86 over the past decade. While the company's 10-year median is 22.07 vs. the industry median of 1.51, Sigma Lithium has consistently been above 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 Metals & Mining company?
The median Cyclically Adjusted PB Ratio among Metals & Mining companies is 1.51, based on 1,516 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. Sigma Lithium's current Cyclically Adjusted PB Ratio of 18.01 is 1092.7% above 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 Sigma Lithium and its competitors. For the Metals & Mining industry, the median Cyclically Adjusted PB Ratio is 1.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sigma Lithium's current Cyclically Adjusted PB Ratio is 18.01, which is 18% below median its own 10-year median of 22.07. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sigma Lithium stock overvalued right now?
Sigma Lithium (TSXV:SGML) has a current Cyclically Adjusted PB Ratio of 18.01. The current Cyclically Adjusted PB Ratio is 18.01, which is 18% below median its 10-year median of 22.07 and 1092.7% above the Metals & Mining industry median of 1.51. Sigma Lithium's overall GF Score™ is 31/100 with 5 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 Sigma Lithium (TSXV:SGML), the current Cyclically Adjusted PB Ratio is 18.01 as of Aug. 21, 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.

Sigma Lithium Business Description

Address 181, Bay Street, Suite 4400, Toronto, ON, CAN, M5J 2T3
Sigma Lithium Corp together with its direct and indirect subsidiaries, is a commercial producer of lithium concentrate. It holds full interest in four mineral properties: Grota do Cirilo, Sao Jose, Santa Clara, and Genipapo, located in the municipalities of Aracuai and Itinga, in the Vale do Jequitinhonha region in the State of Minas Gerais, Brazil. Geographically, the company operates in Switzerland; United Arab Emirates; Singapore; and Republic of Korea, of which it derives maximum revenue from Switzerland.
31GF Score

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

C$16.03
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