Great point. A system needs to be forward tested not simply back tested on a known set of data. Incorrect back testing is absolutely standard with stock/bond/

Great point. A system needs to be forward tested not simply back tested on a known set of data. Incorrect back testing is absolutely standard with stock/bond/forex/etc trading. There are a million hustlers who sell their back-tested systems. In essence, without forward testing all you have is an untested hypothesis.