which provides exchange Level 3 historical data, intends to expand its coverage to include Level 1 and Level 2 data. The firm has broadened the scope and breadth of its equities coverage across ...

ozgurdonmaz / Getty Images First introduced in 1983 as the Nasdaq Quotation Dissemination Service (NQDS), Level 2 is a subscription ... government data, original reporting, and interviews with ...