PENPenumbra, Inc.

$323.27

What is the market doing?

What the tape says about PEN

Penumbra, Inc. is +34% over the past year while the S&P 500 is +23%: 12 points ahead of the market.

+34%

1-year return · S&P 500 +23%

vs 200-day average
+1.6%

vs 200-day average · close to trend

RSI (14)
44

RSI (14) · neutral

Below its 52-week high
−10%

Below its 52-week high

2024-08-06$163.64 – $359.40 · dashed line: 200-day average2026-08-26
Details
Last close2026-08-26
$323.27
1 monthS&P 500 +3.7%
+1.7%
1 yearS&P 500 +23%
+34%
5 yearsS&P 500 +87%
+22%
vs 50-day average$320.80
+0.77%
52-week high
$359.40
52-week low
$225.54
Annualised volatility
35%
Calendar-year price return
YearReturn
2026 (year to date)+4.0%
2025+31%
2024−5.6%
2023+13%
2022−23%
2021+64%
2020+6.5%
2019+34%
2018+30%
2017+47%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan109 of 10+11%
Feb105 of 10+0.95%
Mar105 of 10+0.93%
Apr106 of 10+0.10%
May103 of 10−1.0%
Jun105 of 10+0.52%
Jul116 of 11+2.6%
Aug117 of 11+2.3%
Sep104 of 10−0.13%
Oct105 of 10+2.0%
Nov107 of 10+6.2%
Dec105 of 10−0.83%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.