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View Price for PROK.
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Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
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Historical Price Data

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Date Open High Low Close Volume
Sep 09, 2026 1.98 1.985 1.83 1.85 1.409M
Sep 08, 2026 2.05 2.08 1.97 1.99 929611.0
Sep 04, 2026 1.90 2.09 1.89 2.01 1.225M
Sep 03, 2026 1.92 1.995 1.895 1.92 751467.0
Sep 02, 2026 1.86 1.95 1.845 1.91 641215.0
Sep 01, 2026 1.86 1.90 1.825 1.85 695726.0
Aug 31, 2026 1.83 1.915 1.781 1.89 1.262M
Aug 28, 2026 1.82 1.90 1.775 1.83 1.129M
Aug 27, 2026 1.73 1.835 1.73 1.82 1.157M
Aug 26, 2026 1.74 1.75 1.67 1.74 568462.0
Aug 25, 2026 1.62 1.76 1.615 1.73 751689.0
Aug 24, 2026 1.59 1.63 1.56 1.61 980539.0
Aug 21, 2026 1.43 1.62 1.43 1.61 1.726M
Aug 20, 2026 1.47 1.47 1.38 1.42 1.828M
Aug 19, 2026 1.42 1.50 1.38 1.48 1.768M
Aug 18, 2026 1.39 1.41 1.345 1.38 1.044M
Aug 17, 2026 1.32 1.42 1.31 1.40 745482.0
Aug 14, 2026 1.41 1.41 1.30 1.33 1.415M
Aug 13, 2026 1.49 1.51 1.40 1.405 662761.0
Aug 12, 2026 1.59 1.63 1.41 1.48 2.429M
Aug 11, 2026 1.61 1.68 1.53 1.61 2.800M
Aug 10, 2026 1.63 1.70 1.625 1.69 1.240M
Aug 07, 2026 1.66 1.70 1.62 1.64 739102.0
Aug 06, 2026 1.66 1.68 1.625 1.64 382802.0
Aug 05, 2026 1.65 1.685 1.62 1.67 611090.0

Price Definition

The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).

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Price Range, Past 5 Years

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Price Related Metrics

PS Ratio 337.77
Earnings Yield -30.19%
Market Cap 376.46M