PE Ratio Chart

View PE Ratio for ATAI.
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Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
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Historical PE Ratio Data

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Date Value
August 27, 2026

Price to Earnings Ratio (PE Ratio) Definition

The Price to Earnings Ratio (PE Ratio) is calculated by taking the stock price / EPS Diluted (TTM). This metric is considered a valuation metric that confirms whether the earnings of a company justifies the stock price. There isn't necesarily an optimum PE ratio, since different industries will have different ranges of PE Ratios. Because of this, PE Ratio is great to evaluate from a relative standpoint with other similar companies.

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PE Ratio Range, Past 5 Years

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Median

PE Ratio Benchmarks

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Eli Lilly & Co. 39.94
GH Research Plc --
Johnson & Johnson 30.84
Merck & Co., Inc. 119.53
Zoetis, Inc. 12.34

PE Ratio Related Metrics

PS Ratio 513.87
PEG Ratio -0.0198
Price to Book Value 15.40
Price 7.355
Earnings Yield -29.75%
Market Cap 2.716B
PEGY Ratio -0.0198