alwaysLearning

Note: I refer to the SPI a lot in here, but you could substitute the SPI for the E-MINI S&P 500. (Same questions apply) I'm still reading widely at the moment and came across something interesting. The website URL is here: http://www.camron.com.au/algorithm.htm How much of this algorithmic trading is actually going on out there do you think? Is this website quote accurate? What proportion of the SPI traders would be like us--sole traders(disclaimer:I only paper trade), if you will? Are we a tiny tiny proportion of the number of conracts that get traded? (Which is what I would imagine to be the case but it doesn't hurt to gain confirmation). My second question is, how accurate are thse depth of market indicators? I've read that brokers can manipulate the DOM such that the viewer gets a bluff or misrepresentation of if there is more buying then selling taking place or vice versa. How widespread is algorithmic trading in all markets across the ASX? (or NYSE etc)--Is this of concern to traders like us on Traders Lab? Here is a quote: