securities for example if you place an order for stock as was the end the national stock network but the best price for that stock was on the boston stock exchange the national stock network would route your order to the boston stock exchange so having this information of today and in real time is very important while it becomes a challenge when the market is extremely volatile there's times when quotes can't keep up with change it changes and price it in the minutes following the two thousand and ten flash crash and the video feed would at times lag real changes by as much as twenty four seconds which is a lot of time considering stocks can be traded in thousands and even millions of a second then the video is calculated by the consolidated tape association this is the central agency that collects all the trades as quotes from the exchanges and reports which are the numbers you see when you're looking at the ticker on times square now the security and history automation corporation. is the operator of the consolidated tape and in two thousand and six nice he took over a sigh ack and in a merger with your own meaning that night see your own x. i