Tradeweb operates electronic trading platforms for fixed income, derivatives, and related financial instruments, connecting institutional buyers and sellers across rates, credit, equities, and money markets. Core products include U.S. Treasuries, global interest rate swaps, European government bonds, and U.S. corporate bonds. Tradeweb serves four client segments: institutional (asset managers, hedge funds, insurance companies, central banks), wholesale (dealers and inter-dealer brokers), retail (financial advisors and brokerage firms), and corporates (corporate treasury departments, added via the 2024 acquisition of ICD). The majority of revenue is variable transaction fees, charged per million dollars traded, with fee rates varying by asset class, complexity, and duration. A growing share of revenue comes from fixed subscription fees, particularly in credit, where Tradeweb has migrated dealers from variable to subscription arrangements. Tradeweb also earns from market data, post-trade services, and a data contract with LSEG worth roughly $105M annually. The platform benefits from a network effect — more clients attract more dealer liquidity, which attracts more clients. Tradeweb's core growth thesis is electronification: voice trading still dominates most of its markets, and Tradeweb develops execution protocols like AiEX automation, portfolio trading, and RFQ to pull complex workflows from phone to screen. International expansion (roughly 42% of revenue) and emerging markets are additional growth vectors, alongside newer initiatives in digital assets and tokenized fixed income instruments.