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Historic Stock Lookup

Week of May 21, 2018
Date Open High Low Close Volume
May 21, 2018 41.49 41.89 41.18 41.41 403,077

Year End Stock Prices

Year end NATI stock price

The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and National Instruments does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.