when-issued
adjective [ before noun ]
STOCK MARKET ukus(written abbreviation WI)relating to shares and bonds that have official permission to be bought and sold but are not yet officially available for sale, although unofficial trade has begun:
Stock of the new company will begin trading tomorrow on a when-issued basis.
These bonds fetched 6.56% in when-issued trading yesterday.
A when-issued market is used to help price some stocks before they are issued to investors.