Penumbra Inc (PEN)
236.96
-5.01
(-2.07%)
USD |
NYSE |
Jan 06, 16:00
260.00
+23.04
(+9.72%)
After-Hours: 18:43
Penumbra Alpha (5Y)
Alpha (5Y) Chart
Sep '18
Jan '19
May '19
285.00
270.00
255.00
240.00
Historical Data
Alpha Definition
Alpha measures the excess return that a security provides. Alpha can be measured by taking Risk Adjusted Security Return - Beta*(Risk Adjusted Market Return). This formula will return the outperformance that the security provides. Alpha is an important metric for active investing, where investors look for outperforming a particular benchmark.
Alpha (5Y) Range, Past 5 Years
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