and on the note of "real time" data, have a look at any feed an you will see that the S&P index only updates itself every 15 seconds.....and that is by design,

and on the note of "real time" data, have a look at any feed an you will see that the S&P index only updates itself every 15 seconds.....and that is by design, data coming right from S&P....otherwise you have to calculate the index yourself if you want it any faster haha. And since I love this topic, this might be a handy tool for you: http://indexarb.com/ http://indexarb.com/