Applies to derivative products. (1)Buy or sell transaction that creates a position out of a flat one (writing an option short or buying an option long). Antithesis of closing transaction. (2) First transaction of the day in a stock.
Nearby TermsOpening purchase Opening sale Opening transaction Open-market operation Open-market purchase operation
Copyright © 2011 Campbell R. Harvey, Professor of Finance, Fuqua School of Business at Duke University