Block Trade An order/trade submitted for sale or purchase of a large quantity of securities. Also known as "Block Order". Investopedia Says: In general, 10,000 shares of stock (not including penny stocks) or $200,000 worth of bonds would be considered a block trade. Related Terms: Auction Market AUTEX Block House Block Order Blockage Discount Elephants Eligible Contract Participant Expunge Iceberg Order Market Overhang |