An electronic trading system includes a plurality of trader terminals for receiving credit parameter data, arbitrage parameter data, and trading data from a trading entity, and a computer connected to the plurality of trader terminals via a communications network that receives and stores the credit parameter data and the trading data. The system also includes a detector circuit or program for automatically detecting an available arbitrage opportunity including a plurality of trades based on the credit parameter data, the arbitrage parameter data, and the trading data. A similar electronic trading system includes an automatic name switch feature wherein the plurality of trader terminals receive name switch parameter data, credit parameter data, and trading data from the trading entity. A circuit or program automatically detects and executes available name switch transactions based on the credit parameter data, the name switch parameter data, and the trading data.