The "daily Call" From Option Alpha: Options Trading | Stock Options | Stock Trading | Trading Online

Hey everyone. This is Kirk here again from Option Alpha and welcome back to the daily call. Today, we’re going to answer the question, “Why is back-testing important?” I actually get a lot of pushback on this and I think that many people look at back-testing as irrelevant and I think that back-testing has a lot of relevance if you use it correctly. Sure, back-testing is not perfect in the sense that a perfect back-test is not going to be the perfect expectation of what we should expect moving forward in the future. Obviously, what happened historically is not going to happen the same way in the future. We should all know this. This is a rational logical thought process that we should follow. But a lot of people think that when we say that something is going to back-test and win 70% of the time that it will exactly win 70% of the time in the future. We know this is not the case, that the future is still out there, it is unknowable, it is unpredictable, but for me, back-testing gives us parameters, bumper lanes