In accordance with the present invention, there is provided a method of communicating trade orders in a marketplace for financial instruments through an on-line trading account with a financial institution. The method includes receiving trade trigger criteria and market data for use by market analysis software. The method further includes accessing the market analysis software to generate a trade decision using the trade trigger criteria and the market data. The method further includes automatically communicating a trade order, based upon the trade decision, to the marketplace via the on-line trading account.