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View Price 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 Data

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Date Open High Low Close Volume
Aug 26, 2026 0.232 0.24 0.232 0.24 6500.00
Aug 25, 2026 0.25 0.25 0.25 0.25 0.000
Aug 24, 2026 0.25 0.25 0.25 0.25 0.000
Aug 21, 2026 0.25 0.25 0.25 0.25 0.000
Aug 20, 2026 0.3105 0.3105 0.25 0.25 48600.00
Aug 19, 2026 0.333 0.333 0.333 0.333 0.000
Aug 18, 2026 0.3635 0.3714 0.333 0.333 20500.00
Aug 17, 2026 0.3135 0.35 0.30 0.35 63900.00
Aug 14, 2026 0.30 0.30 0.30 0.30 7500.00
Aug 13, 2026 0.33 0.33 0.2302 0.275 48542.00
Aug 12, 2026 0.3635 0.3635 0.3635 0.3635 0.000
Aug 11, 2026 0.34 0.3635 0.33 0.3635 16460.00
Aug 10, 2026 0.3153 0.40 0.3153 0.3584 28400.00
Aug 07, 2026 0.40 0.42 0.35 0.35 42945.00
Aug 06, 2026 0.30 0.30 0.30 0.30 0.000
Aug 05, 2026 0.31 0.327 0.30 0.30 30716.00
Aug 04, 2026 0.35 0.35 0.27 0.35 20854.00
Aug 03, 2026 0.33 0.3335 0.30 0.3335 10000.00
Jul 31, 2026 0.45 0.45 0.45 0.45 0.000
Jul 30, 2026 0.45 0.45 0.45 0.45 0.000
Jul 29, 2026 0.4689 0.4689 0.45 0.45 10454.00
Jul 28, 2026 0.479 0.479 0.3401 0.479 13873.00
Jul 27, 2026 0.45 0.456 0.45 0.45 15850.00
Jul 24, 2026 0.30 0.62 0.29 0.45 62589.00
Jul 23, 2026 0.2719 0.28 0.2719 0.28 38966.00

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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