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Post HoldingsPOST +1.66%66 Shiller PE Ratio is 16.89 as of Aug. 26, 2026, which is 65% below its 10-year median of 48.40. GuruFocus rates POST with a GF Score™ of 66/100 and a GF Value™ of $138.96 (Possible Value Trap). The stock has 2 warning signs investors should review. Among 1,131 Consumer Packaged Goods companies, Post Holdings ranks better than 52.7% on this metric.
As of today (2026-08-26), Post Holdings's current share price is $82.405. Post Holdings's E10 for the quarter that ended in Jun. 2026 was $4.88. Post Holdings's Shiller PE Ratio for today is 16.89.
The historical rank and industry rank for Post Holdings's Shiller PE Ratio or its related term are showing as below:
POST'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 16.13 Med: 48.4 Max: 1101.13
Current: 16.89
During the past years, Post Holdings's highest Shiller PE Ratio was 1101.13. The lowest was 16.13. And the median was 48.40.
POST's Shiller PE Ratio is ranked better than 52.7% of 1131
companies
in the Consumer Packaged Goods industry
Industry Median: 17.53
vs POST: 16.89
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Post Holdings's adjusted earnings per share data for the three months ended in Jun. 2026 was $1.290. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $4.88 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Post Holdings (NYSE:POST) 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.
Post Holdings Shiller PE Ratio Related Terms
Post Holdings Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Post Holdings'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.
POST vs MZTI, FRPT, CENT: Shiller PE Ratio Comparison
For the Packaged Foods subindustry, Post Holdings'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.
Post Holdings Shiller PE Ratio vs Consumer Packaged Goods Industry
For the Consumer Packaged Goods industry and Consumer Defensive sector, Post Holdings's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Post Holdings's Shiller PE Ratio falls into.
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.
Post Holdings'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.
Post Holdings's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Post Holdings's adjusted earnings per share data for the three months ended in Jun. 2026 was:
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.
Post Holdings (POST) has a Shiller PE Ratio of 16.89 as of Aug. 26, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Post Holdings and its competitors. This is 65% below median its historical median of 48.40. Over the past decade, Post Holdings' Shiller PE Ratio has ranged from 16.13 to 1,101.13. According to the industry distribution chart, Post Holdings ranks #535 out of 1131 companies in the Consumer Packaged Goods industry, placing it in the top 47.3%.
Is Post Holdings' Shiller PE Ratio too high?
Post Holdings' current Shiller PE Ratio of 16.89 is 65% below median its 10-year median of 48.40. Over the past 10 years, this metric has ranged from a low of 16.13 to a high of 1,101.13. The Consumer Packaged Goods industry median Shiller PE Ratio is 17.53. Post Holdings' value of 16.89 is 3.7% below this industry median. Based on the distribution chart, Post Holdings ranks #535 out of 1131 companies in the Consumer Packaged Goods industry, which is above the industry midpoint. Overall, Post Holdings has a GF Score™ of 66/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Post Holdings' Shiller PE Ratio compare to MZTI and FRPT?
According to the Consumer Packaged Goods industry distribution chart, Post Holdings ranks #535 out of 1131 companies for Shiller PE Ratio. This puts Post Holdings in the upper half of its industry. The industry median Shiller PE Ratio is 17.53. Post Holdings' value of 16.89 is 3.7% below this benchmark. Historically, Post Holdings' own Shiller PE Ratio has ranged from 16.13 to 1,101.13 over the past decade. While the company's 10-year median is 48.40 vs. the industry median of 17.53, Post Holdings has consistently been below 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 Shiller PE Ratio for a Consumer Packaged Goods company?
The median Shiller PE Ratio among Consumer Packaged Goods companies is 17.53, based on 1,131 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Post Holdings's current Shiller PE Ratio of 16.89 is 3.7% below 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Post Holdings and its competitors. For the Consumer Packaged Goods industry, the median Shiller PE Ratio is 17.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Post Holdings's current Shiller PE Ratio is 16.89, which is 65% below median its own 10-year median of 48.40. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Post Holdings stock overvalued right now?
Based on GuruFocus' analysis, Post Holdings (POST) is currently considered Possible Value Trap. The stock's GF Value™ is $138.96, compared to a current price of $82.41 — trading 40.7% below its estimated fair value. The current Shiller PE Ratio is 16.89, which is 65% below median its 10-year median of 48.40 and 3.7% below the Consumer Packaged Goods industry median of 17.53. Post Holdings' overall GF Score™ is 66/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Post Holdings (POST), the current Shiller PE Ratio is 16.89 as of Aug. 26, 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.
Is Post Holdings (POST) Overvalued in 2026?
Based on GuruFocus' analysis, Post Holdings stock appears to be undervalued.
The current stock price of $82.41 is trading 40.7% below its estimated GF Value™ of $138.96.
GuruFocus considers Post Holdings to be Possible Value Trap.
Key valuation signals for POST:
Shiller PE Ratio: 16.89 (65% below median its 10-year median of 48.40)
GF Value™: $138.96 vs. price of $82.41 (40.7% below fair value)
Industry Position: 3.7% below the Consumer Packaged Goods median (#535 of 1131)
No single metric tells the full story. See the POST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Post Holdings Inc. is a consumer packaged goods holding company with products sold through grocery, club, and drug stores, mass merchandisers, foodservice, food ingredient, and eCommerce. It operates through four reportable segments: Post Consumer Brands, focused on North American ready-to-eat cereal and granola, pet food, and nut butters; Weetabix, focused on U.K. ready-to-eat cereal, muesli, and protein-based shakes; Foodservice, focused on egg and potato products; and Refrigerated Retail, focused on side dish, egg, cheese, and sausage products. Products are sold across channels, including retailers, wholesalers, convenience stores, pet supply retailers, drug store customers, military and national restaurant chains, with revenues largely generated in the U.S.
66GF Score
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