Used for listed equity securities. Market limited price order to buy /sell a specified percentage (usually 50%) of shares traded (sometimes after a fixed number of shares of the stock have already traded). See: participating buyer/seller , "participate but do not initiate."
PERCENTAGE ORDER
Meaning of PERCENTAGE ORDER in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012