1. The occurrence of two or more indicators corresponding with one another and thereby corroborating the predicted trend. 2. The written acknowledgment provided by a broker indicating that a trade has been completed. This includes details such as the date, price, commission, fees and settlement terms of the trade. 1. A confirmation strengthens the implication of technical indicators. When a confirmation occurs, traders become more confident that the predicted trend will occur. If there is no confirmation, there is divergence. 2. Confirmation slips are usually mailed out within one week of the trade date.