Speed Date significantly increased traffic to the Amerivest call center and acquisition website while raising awareness of both Amerivest and Ameritrade among long-term investors. In a tough competitive environment and unsteady market, the promotion was able to get good results for Ameritrade.- The commercial was able to get over 2000 responses through phone calls and web hits.- The Speed Date spot achieved a cost per response of $1,519 which was 62% lower than previous spots. - TD Ameritrade Holding Corp. raised its second-quarter profit forecast as result of stronger-than-expected trading volume.