STACF (Portex Minerals) Shiller PE Ratio: (As of Aug. 13, 2026)

Portex Minerals  (OTCPK:STACF) Shiller PE Ratio Explanation

Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.

Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.

Be Aware

Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.

Portex Minerals Shiller PE Ratio Related Terms

The historical data trend for Portex Minerals's Shiller PE 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.

Portex Minerals Shiller PE Ratio Chart

Portex Minerals Annual Data
	Trend	Sep07	Sep08	Sep09	Sep10	Sep11	Sep12	Sep13	Sep14	Sep15
Shiller PE Ratio		Get a 7-Day Free Trial				0.00	0.00	0.00	0.00	0.00

Portex Minerals Quarterly Data
	Sep11	Dec11	Mar12	Jun12	Sep12	Dec12	Mar13	Jun13	Sep13	Dec13	Mar14	Jun14	Sep14	Dec14	Mar15	Jun15	Sep15	Dec15	Mar16	Jun16
Shiller PE Ratio	Get a 7-Day Free Trial															0.00	0.00	0.00	0.00	0.00

Portex Minerals Shiller PE Ratio Competitor Comparison

For the Other Industrial Metals & Mining subindustry, Portex Minerals'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.

Portex Minerals Shiller PE Ratio vs Metals & Mining Industry

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

* The bar in red indicates where Portex Minerals's Shiller PE Ratio falls into.

Portex Minerals Shiller PE Ratio Calculation

For Shiller PE Ratio, 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 PE Ratio is also called PE10.

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

Portex Minerals does not have a history long enough to calculate E10. Therefore GuruFocus does not calculate Shiller PE Ratio for this company.

Portex Minerals Business Description