Execution Speed1
Trade execution speed is an important component of overall execution quality because the faster your order is executed, the greater the chance it will receive the price you were expecting or better. Execution speed is measured from the time Scottrade discount brokerage firm receives your order until the time your order is executed at the trading center. Execution speed does not include the time it takes for the order to be reported back to Scottrade and be displayed to you in the "Today's Completed Orders" section of our Web site or another Scottrade online trading platform2.
Below is a diagram of how an order is completed at Scottrade online brokerage.

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1Information is based on analysis from Thomson Transaction Analytics. Thomson Transaction Analytics is not affiliated with Scottrade. Execution Speed is for NASDAQ 100 and S&P 500 market orders of 100 to 500 shares in size. The information does not include pre-market or after-hours orders or orders received during locked, crossed or fast market conditions. Scottrade updates the information on a monthly basis.
2Scottrade may not always receive timely execution reports from a trading center. These situations are referred to as a receiving a "late report." Although you may not have received a execution report, you will receive the price at which your order was actually executed at the trading center even if the market moves substantially before you receive the late report.
