if you are a speculator, you need some rules to catch waves, mostly ta based.
they are different approaches, but both are probability based.
no matter what methods you apply, there is no surefire because the economics and human behavior are basically unpredictable.
so, the key is not prediction. it's money management and risk control.
you must secure your capital and maximize your profit.
only armed with these two weapons,one will become a constant winner.
it's different from gambling because the probabilities are based on study of human behavior patterns ,the quality of public companies , etc. but if you rely only on these things, trust me, you will blow your account sooner or later....