CGI (TSX:GIB.A) Shiller PE Ratio : 23.99 (As of Jul. 12, 2025)

CGI Shiller PE Ratio Chart

CGI Annual Data
	Trend	Sep15	Sep16	Sep17	Sep18	Sep19	Sep20	Sep21	Sep22	Sep23	Sep24
Shiller PE Ratio		Get a 7-Day Free Trial					29.76	30.47	24.02	26.74	28.42

CGI Quarterly Data
	Jun20	Sep20	Dec20	Mar21	Jun21	Sep21	Dec21	Mar22	Jun22	Sep22	Dec22	Mar23	Jun23	Sep23	Dec23	Mar24	Jun24	Sep24	Dec24	Mar25
Shiller PE Ratio	Get a 7-Day Free Trial															28.59	25.38	28.42	28.21	25.01

Competitive Comparison of CGI's Shiller PE Ratio

For the Information Technology Services subindustry, CGI'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.

CGI's Shiller PE Ratio Distribution in the Software Industry

For the Software industry and Technology sector, CGI's Shiller PE Ratio distribution charts can be found below:

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

CGI 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.

CGI's Shiller PE Ratio for today is calculated as

* 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.

CGI's E10 for the quarter that ended in Mar. 2025 is calculated as:

For example, CGI's adjusted earnings per share data for the three months ended in Mar. 2025 was:

Current CPI (Mar. 2025) = 129.1809.

CGI Quarterly Data

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

CGI  (TSX:GIB.A) 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.

CGI Shiller PE Ratio Related Terms

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