PEN: Penumbra Inc.

As of Monday, August 31st, 2026

$ 323.10

+1.42 +0.44%

Open: 320.99
High: 323.84
Low: 320.97
Volume: 386,556
Previous Close on Friday, August 28th, 2026

$ 321.68

+0.68 +0.21%

Open: 320.83
High: 322.25
Low: 320.83
Volume: 234,126

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-08-31 320.99 323.84 320.97 323.10 386,554 +1.42 +0.44
2026-08-28 320.83 322.25 320.83 321.68 234,126 +0.68 +0.21
2026-08-27 323.00 323.13 321.00 321.00 476,699 -2.05 -0.63
2026-08-26 322.00 323.59 321.89 323.05 513,085 -1.32 -0.41
2026-08-25 323.70 324.86 323.32 324.37 250,619 +0.62 +0.19
2026-08-24 324.91 324.91 323.42 323.75 144,255 -1.43 -0.44
2026-08-21 323.87 325.66 323.87 325.18 167,116 +1.42 +0.44
2026-08-20 327.12 327.12 323.76 323.76 210,034 -3.08 -0.94
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 324.86
On 2026-08-25		 320.83
On 2026-08-28		 -0.65 -0.20 324.86
On 2026-08-25		 320.83
On 2026-08-28		 -1.24 322.64
10D 328.60
On 2026-08-18		 320.83
On 2026-08-28		 -4.07 -1.24 328.60
On 2026-08-18		 320.83
On 2026-08-28		 -2.36 323.75
20D 328.60
On 2026-08-18		 320.83
On 2026-08-28		 0.08 0.02 328.60
On 2026-08-18		 320.83
On 2026-08-28		 -2.36 324.71
WTD 323.84
On 2026-08-31		 320.97
On 2026-08-31		 1.42 0.44 -- -- -- 323.10
MTD 328.60
On 2026-08-18		 320.83
On 2026-08-28		 1.91 0.59 328.60
On 2026-08-18		 320.83
On 2026-08-28		 -2.36 324.63
As of Monday, August 31st, 2026
 
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PEN

Penumbra Inc.

323.10 +1.42 +0.44 386,556