Meaning of "AT"/"FOR" in English

"AT"/"FOR"

Used in context of general equities. Paramount terms used to differentiate an offering . Stock is offered at; stock is bid for. In an offering , the trading syntax followed is "Quantity-at-Price" in a bid, the syntax followed is "Price-for-Quantity."

Campbell R. Harvey. Hypertextual finance English glossary.      Английский словарь гипертекстовых финансов.