Your portfolio management system is your Iron Man suit
"You know, the question I get asked most often is, "Tony, how do you go to the bathroom in your suit?" [Long pause] Just like that."
– Tony Stark, Iron Man
Tony Stark may be a genius, a billionaire, a playboy, and a philanthropist. What truly gives him his superpower is his custom-made Iron Man suit. He did not buy his suit off the rack at Macy's. He torpedoed a few Lamborghinis in his garage building something that uniquely enhanced his fighting style. In the same way, your PMS is your Iron Man suit. It is an extension of your trading strategy. Its sole purpose is to help you make trading decisions under uncertainty. Since no one trades like you, it requires a high degree of customization.
A classic mistake is to buy an expensive off-the-shelf software package, thinking that more information will lead to better trading decisions. Software solutions are primarily reporting...