Aston Bay Holdings (STU:6AY) Cyclically Adjusted PB Ratio: (As of Aug. 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.

What is Aston Bay Holdings Cyclically Adjusted PB Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Aston Bay Holdings  (STU:6AY) 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.


Aston Bay Holdings Cyclically Adjusted PB Ratio Related Terms


Aston Bay Holdings Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Aston Bay Holdings'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.

Aston Bay Holdings Cyclically Adjusted PB Ratio Chart

Aston Bay Holdings Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.57 0.40 1.95 0.80 0.92

Aston Bay Holdings 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 0.80 1.06 0.93 0.79 0.92

Aston Bay Holdings Cyclically Adjusted PB Ratio Competitor Comparison

For the Other Industrial Metals & Mining subindustry, Aston Bay Holdings'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.


Aston Bay Holdings Cyclically Adjusted PB Ratio vs Metals & Mining Industry

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

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



Aston Bay Holdings 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.

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

For example, Aston Bay Holdings'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)
=0/132.2623*132.2623
=0.000

Current CPI (Mar. 2026) = 132.2623.

Aston Bay Holdings Quarterly Data

Book Value per Share CPI Adj_Book
201606 0.069 102.002 0.089
201609 0.081 101.765 0.105
201612 0.081 101.449 0.106
201703 0.078 102.634 0.101
201706 0.072 103.029 0.092
201709 0.075 103.345 0.096
201712 0.070 103.345 0.090
201803 0.072 105.004 0.091
201806 0.076 105.557 0.095
201809 0.076 105.636 0.095
201812 0.066 105.399 0.083
201903 0.003 106.979 0.004
201906 0.066 107.690 0.081
201909 0.067 107.611 0.082
201912 0.064 107.769 0.079
202003 0.001 107.927 0.001
202006 0.056 108.401 0.068
202009 0.054 108.164 0.066
202012 0.053 108.559 0.065
202103 -0.002 110.298 -0.002
202106 -0.001 111.720 -0.001
202109 -0.002 112.905 -0.002
202112 -0.002 113.774 -0.002
202203 -0.005 117.646 -0.006
202206 -0.005 120.806 -0.005
202209 -0.007 120.648 -0.008
202212 -0.007 120.964 -0.008
202303 -0.008 122.702 -0.009
202306 -0.009 124.203 -0.010
202309 -0.004 125.230 -0.004
202312 0.001 125.072 0.001
202403 -0.001 126.258 -0.001
202406 0.006 127.522 0.006
202409 0.002 127.285 0.002
202412 0.005 127.364 0.005
202503 0.003 129.181 0.003
202506 0.005 129.892 0.005
202509 0.002 130.287 0.002
202512 0.001 130.366 0.001
202603 0.000 132.262 0.000

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.


Aston Bay Holdings Business Description

Other Exchanges ATBHF:USABAY:Canada
Address 8 King Street East, Suite 1800, Toronto, ON, CAN, M5C 1B5
Aston Bay Holdings Ltd is a mineral exploration company exploring for high-grade critical and precious metal deposits in Nunavut, Canada and Virginia, USA. The company is currently exploring the Storm Copper and Epworth Properties in Nunavut, and the high-grade Buckingham Gold Vein in central Virginia. It is also in advanced stages of negotiation on other lands with high-grade critical metals potential in North America.