Prothena (PRTA) Price to Book Value: 1.557

Prothena Corp. Plc (PRTA)

8.155 -0.08 (-0.91%) USD | NASDAQ | Nov 13, 16:00

8.155 0.00 (0.00%) After-Hours: 19:59

Price to Book Value Chart

Historical Price to Book Value Data

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Date	Value
November 12, 2026	1.572
November 11, 2026	1.667
November 10, 2026	1.635
November 09, 2026	1.676
November 06, 2026	1.522
November 05, 2026	1.507
November 04, 2026	1.602
November 03, 2026	1.568
November 02, 2026	1.583
October 30, 2026	1.618
October 29, 2026	1.696
October 28, 2026	1.738
October 27, 2026	1.682
October 26, 2026	1.604
October 23, 2026	1.566
October 22, 2026	1.576
October 21, 2026	1.534
October 20, 2026	1.623
October 19, 2026	1.620
October 16, 2026	1.595
October 15, 2026	1.623
October 14, 2026	1.598
October 13, 2026	1.596
October 12, 2026	1.610
October 09, 2026	1.688

Date	Value
October 08, 2026	1.644
October 07, 2026	1.620
October 06, 2026	1.532
October 05, 2026	1.579
October 02, 2026	1.596
October 01, 2026	1.631
September 30, 2026	1.600
September 29, 2026	1.584
September 28, 2026	1.573
September 25, 2026	1.495
September 24, 2026	1.501
September 23, 2026	1.566
September 22, 2026	1.622
September 21, 2026	1.535
September 18, 2026	1.548
September 17, 2026	1.526
September 16, 2026	1.486
September 15, 2026	1.502
September 14, 2026	1.598
September 11, 2026	1.611
September 10, 2026	1.627
September 09, 2026	1.677
September 08, 2026	1.721
September 04, 2026	1.771
September 03, 2026	1.732

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

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