So, what is backtesting? Well, it is simply using the past performance of certain stocks in order to see if your system will work in their future stock movements. If you were back testing a system you would be following your system rules in past stock movements and see where it gets you.
The idea of this is that history repeats itself. If your system worked in the past movements then it will probably work in the future Whole Cigarettes Newport. That does seem to make some sense after all Cheap Cigarettes Wholesale.
It is considered to be very valuable, but it also does have its flaws. Even though it could tell you your system works it will not show you how it works in different market postures. It could be that it works very well during a bulls market but very poorly during a bears market. It could also be the opposite working well during bears markets but poorly during bulls markets Cheap Cigarettes Outlet.