Price to Book Value Chart

View Price to Book Value for PRTT.
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Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
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Historical Price to Book Value Data

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Date Value
March 30, 2026 0.0092
March 27, 2026 0.0085
March 26, 2026 0.0085
March 25, 2026 0.0085
March 24, 2026 0.0117
March 23, 2026 0.0117
March 20, 2026 0.0103
March 19, 2026 0.0103
March 18, 2026 0.0167
March 17, 2026 0.0167
March 16, 2026 0.0167
March 13, 2026 0.0167
March 12, 2026 0.0167
March 11, 2026 0.0167
March 10, 2026 0.0167
March 09, 2026 0.0167
March 06, 2026 0.0167
March 05, 2026 0.0125
March 04, 2026 0.0125
March 03, 2026 0.0125
March 02, 2026 0.0125
February 27, 2026 0.0125
February 26, 2026 0.0125
February 25, 2026 0.0125
February 24, 2026 0.0125
Date Value
February 23, 2026 0.0125
February 20, 2026 0.0125
February 19, 2026 0.0157
February 18, 2026 0.025
February 17, 2026 0.025
February 13, 2026 0.025
February 12, 2026 0.0185
February 11, 2026 0.0117
February 10, 2026 0.0117
February 09, 2026 0.0117
February 06, 2026 0.01
February 05, 2026 0.0129
February 04, 2026 0.0133
February 03, 2026 0.0133
February 02, 2026 0.0133
January 30, 2026 0.0133
January 29, 2026 0.0133
January 28, 2026 0.0133
January 27, 2026 0.0133
January 26, 2026 0.0133
January 23, 2026 0.0133
January 22, 2026 0.0133
January 21, 2026 0.0133
January 20, 2026 0.0133
January 16, 2026 0.0083

Price to Book Ratio Definition

Price to book value is a valuation ratio that is measured by stock price / book value per share. The book value is essentially the tangible accounting value of a firm compared to the market value that is shown.

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Price to Book Value Range, Past 5 Years

View Price to Book Value Range, Past 5 Years
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Price to Book Value Benchmarks

Price to Book Value Related Metrics