GURUFOCUS.COM » STOCK LIST » Basic Materials » Metals & Mining » Portofino Resources Inc (TSXV:POR) » Definitions » E10

Portofino Resources (TSXV:POR) E10 : C$-0.10 (As of Feb. 2024)


View and export this data going back to 2014. Start your Free Trial

What is Portofino Resources E10?

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Portofino Resources's adjusted earnings per share data for the three months ended in Feb. 2024 was C$-0.001. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is C$-0.10 for the trailing ten years ended in Feb. 2024.

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the E10 growth rate using E10 data.

As of today (2024-06-02), Portofino Resources's current stock price is C$0.035. Portofino Resources's E10 for the quarter that ended in Feb. 2024 was C$-0.10. Portofino Resources's Shiller PE Ratio of today is .


Portofino Resources E10 Historical Data

The historical data trend for Portofino Resources's E10 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.

* Premium members only.

Portofino Resources E10 Chart

Portofino Resources Annual Data
Trend May14 May15 May16 May17 May18 May19 May20 May21 May22 May23
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only - - - - -0.12

Portofino Resources Quarterly Data
May19 Aug19 Nov19 Feb20 May20 Aug20 Nov20 Feb21 May21 Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24
E10 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 - -0.12 -0.11 -0.11 -0.10

Competitive Comparison of Portofino Resources's E10

For the Other Industrial Metals & Mining subindustry, Portofino Resources's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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.


Portofino Resources's Shiller PE Ratio Distribution in the Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Portofino Resources's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Portofino Resources's Shiller PE Ratio falls into.



Portofino Resources E10 Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today's price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

We adjusted the earnings of 2001 earnings data with the total inflation from 2001 through 2010 to the equivalent earnings in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart earned $1 a share in 2001, then the 2001's equivalent earnings in 2010 is $1.4 a share. If Wal-Mart earns $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 earnings in 2010 is $1.35. So on and so forth, you get the equivalent earnings of past 10 years. Then you add them together and divided the sum by 10 to get E10.

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.

For example, Portofino Resources's adjusted earnings per share data for the three months ended in Feb. 2024 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Feb. 2024 (Change)*Current CPI (Feb. 2024)
=-0.001/125.4675*125.4675
=-0.001

Current CPI (Feb. 2024) = 125.4675.

Portofino Resources Quarterly Data

per share eps CPI Adj_EPS
201405 -0.040 99.394 -0.050
201408 -0.040 99.315 -0.051
201411 -0.040 99.078 -0.051
201502 -0.040 99.078 -0.051
201505 0.000 100.263 0.000
201508 -0.040 100.579 -0.050
201511 -0.040 100.421 -0.050
201602 -0.013 100.421 -0.016
201605 -0.011 101.765 -0.014
201608 -0.040 101.686 -0.049
201611 -0.040 101.607 -0.049
201702 -0.040 102.476 -0.049
201705 -0.040 103.108 -0.049
201708 -0.040 103.108 -0.049
201711 -0.040 103.740 -0.048
201802 -0.050 104.688 -0.060
201805 -0.020 105.399 -0.024
201808 -0.010 106.031 -0.012
201811 -0.010 105.478 -0.012
201902 -0.010 106.268 -0.012
201905 -0.010 107.927 -0.012
201908 -0.003 108.085 -0.003
201911 -0.004 107.769 -0.005
202002 -0.004 108.559 -0.005
202005 -0.030 107.532 -0.035
202008 -0.020 108.243 -0.023
202011 -0.010 108.796 -0.012
202102 -0.003 109.745 -0.003
202105 -0.010 111.404 -0.011
202108 -0.004 112.668 -0.004
202111 -0.010 113.932 -0.011
202202 -0.010 115.986 -0.011
202205 -0.010 120.016 -0.010
202208 -0.003 120.569 -0.003
202211 -0.010 121.675 -0.010
202302 -0.002 122.070 -0.002
202305 -0.008 124.045 -0.008
202308 -0.010 125.389 -0.010
202311 -0.010 125.468 -0.010
202402 -0.001 125.468 -0.001

Add all the adjusted EPS together and divide 10 will get our e10.


Portofino Resources  (TSXV:POR) E10 Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

For the Shiller P/E, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller P/E is also called PE10.

The Shiller P/E was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


Portofino Resources E10 Related Terms

Thank you for viewing the detailed overview of Portofino Resources's E10 provided by GuruFocus.com. Please click on the following links to see related term pages.


Portofino Resources (TSXV:POR) Business Description

Traded in Other Exchanges
Address
470 Granville Street, Suite 520, Vancouver, BC, CAN, V6C 1V5
Portofino Resources Inc is engaged in the acquisition, exploration, and development of mineral property assets in the Americas. Its South of Otter and Bruce Lake projects are in the historic gold mining district of Red Lake, Ontario. In addition, it holds 100% interest in three Northwestern Ontario gold projects; the Gold Creek property, Sapawe West property and Melema West property located near Atikokan. It also shows interest in the Yergo Lithium Brine Project.
Executives
David Geophry Tafel Director, Senior Officer