NEW YORK–(BUSINESS WIRE)–Tradeweb Markets Inc. (Nasdaq: TW), a leading, global operator of electronic marketplaces for rates, credit, equities and money markets, today reported total trading volume for December of $18.2 trillion (tn). Average daily volume (ADV) for the month was $834.5 billion (bn), an increase of 28.0 percent (%) year over year (YoY). Tradeweb fully electronic trading captured a record 10.6% of U.S. High Grade TRACE and 4.5% of U.S. High Yield TRACE in December. Rates Deriva