Price Chart

View Price for PTN.
Upgrade now.
Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
View Price Chart
Start Trial

Historical Price Data

View and export this data back to 1997. Start Trial.
Date Open High Low Close Volume
Sep 11, 2026 11.82 12.57 11.40 11.80 20607.00
Sep 10, 2026 12.27 12.54 11.77 12.02 21930.00
Sep 09, 2026 12.28 12.87 11.79 12.33 45418.00
Sep 08, 2026 12.62 13.33 11.77 12.68 138087.0
Sep 04, 2026 12.83 13.48 12.49 12.70 257715.0
Sep 03, 2026 12.82 14.00 12.34 13.08 534543.0
Sep 02, 2026 12.00 13.50 11.29 12.84 311126.0
Sep 01, 2026 9.63 11.82 9.175 11.54 149149.0
Aug 31, 2026 10.52 10.73 9.42 9.99 153246.0
Aug 28, 2026 10.56 11.11 9.65 10.48 129113.0
Aug 27, 2026 10.09 10.49 9.55 10.49 62188.00
Aug 26, 2026 10.60 10.93 9.26 10.47 58515.00
Aug 25, 2026 10.35 10.92 9.88 10.37 106826.0
Aug 24, 2026 9.69 10.16 9.69 10.16 1786.00
Aug 21, 2026 10.63 10.75 9.69 9.69 4496.00
Aug 20, 2026 10.99 10.99 10.15 10.20 7491.00
Aug 19, 2026 10.40 10.97 10.13 10.18 8786.00
Aug 18, 2026 10.66 11.13 10.27 10.51 22452.00
Aug 17, 2026 9.61 10.38 9.50 9.95 11854.00
Aug 14, 2026 10.27 10.27 8.809 9.36 12334.00
Aug 13, 2026 9.50 10.93 9.50 10.00 44404.00
Aug 12, 2026 7.627 9.58 7.270 9.47 180235.0
Aug 11, 2026 7.74 7.74 7.370 7.41 6923.00
Aug 10, 2026 7.76 8.20 7.28 7.36 12805.00
Aug 07, 2026 8.30 8.30 7.451 7.77 18279.00

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).

Read full definition.

Price Range, Past 5 Years

View Price Range, Past 5 Years
Start Trial
--
Minimum
--
Maximum
--
Average
--
Median

Price Related Metrics