Refers to over-the-counter trading. Securities transaction where the quoted prices include commissions (i.e., O.T.C. ); looked at another way, the buyer and seller do not pay fees or commissions in addition to the print or quotation prices.
NET SALES TRANSACTION
Meaning of NET SALES TRANSACTION in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012