Price Chart

View Price for PSI.
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 2005. Start Trial.
Date Open High Low Close Volume
Sep 11, 2026 138.25 140.83 137.98 139.70 293018.0
Sep 10, 2026 136.05 137.82 134.94 136.02 155074.0
Sep 09, 2026 138.87 141.55 138.49 140.07 195488.0
Sep 08, 2026 138.75 140.90 137.52 139.97 590766.0
Sep 04, 2026 131.65 136.16 131.65 136.00 635748.0
Sep 03, 2026 128.27 129.70 124.94 129.70 216913.0
Sep 02, 2026 128.12 129.86 126.32 129.21 541234.0
Sep 01, 2026 129.04 129.26 126.53 127.93 339568.0
Aug 31, 2026 132.36 133.44 131.02 131.82 397723.0
Aug 28, 2026 137.48 137.48 131.74 131.81 215298.0
Aug 27, 2026 140.28 140.51 136.76 138.56 240242.0
Aug 26, 2026 136.17 137.20 134.78 136.51 215975.0
Aug 25, 2026 137.19 137.97 134.50 135.96 135323.0
Aug 24, 2026 136.42 136.42 131.67 134.06 438673.0
Aug 21, 2026 141.08 141.08 136.50 138.91 174080.0
Aug 20, 2026 139.06 140.70 137.46 138.98 292313.0
Aug 19, 2026 147.65 148.16 138.37 139.50 389524.0
Aug 18, 2026 150.00 151.48 144.20 146.31 381446.0
Aug 17, 2026 155.10 158.64 154.86 157.40 469449.0
Aug 14, 2026 150.66 154.05 150.18 153.01 323320.0
Aug 13, 2026 150.37 154.80 150.08 151.61 309464.0
Aug 12, 2026 151.64 152.71 150.42 150.97 783961.0
Aug 11, 2026 145.36 146.63 143.75 145.16 624628.0
Aug 10, 2026 149.40 150.00 142.56 142.56 212974.0
Aug 07, 2026 147.74 150.17 145.44 148.42 212079.0

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).

Read full definition.

Price Range, Past 5 Years

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