PE Ratio Chart

View PE Ratio for PRTT.
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Historical PE Ratio Data

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Date Value
August 25, 2026 2.174
August 24, 2026 2.174
August 21, 2026 2.174
August 20, 2026 2.174
August 19, 2026 2.896
August 18, 2026 2.896
August 17, 2026 3.044
August 14, 2026 2.609
August 13, 2026 2.391
August 12, 2026 3.161
August 11, 2026 3.161
August 10, 2026 3.116
August 07, 2026 3.044
August 06, 2026 2.609
August 05, 2026 2.609
August 04, 2026 3.044
August 03, 2026 2.90
July 31, 2026 3.913
July 30, 2026 3.913
July 29, 2026 3.913
July 28, 2026 4.165
July 27, 2026 3.913
July 24, 2026 3.913
July 23, 2026 2.435
July 22, 2026 2.087
Date Value
July 21, 2026 2.087
July 20, 2026 2.087
July 17, 2026 2.087
July 16, 2026 2.087
July 15, 2026 2.348
July 14, 2026 2.348
July 13, 2026 2.435
July 10, 2026 2.435
July 09, 2026 2.452
July 08, 2026 2.216
July 07, 2026 1.217
July 06, 2026 1.304
July 02, 2026 0.6522
July 01, 2026 0.6522
June 30, 2026 0.6522
June 29, 2026 0.2583
June 26, 2026 0.2066
June 25, 2026 0.2066
June 24, 2026 0.2066
June 23, 2026 0.2066
June 22, 2026 0.2324
June 18, 2026 0.2324
June 17, 2026 0.3788
June 16, 2026 0.3788
June 15, 2026 0.3788

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

View PE Ratio Range, Past 5 Years
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PE Ratio Related Metrics