Systematic Macro: This approach is more rigid and rule based. Systemic strategies are often programable, meaning the rules are precise enough to be fed into a computer and have it decide what to buy and sell.????? ??????? ?? ?????? ???? ?????? ?? ????? ?? ????? ?????? ??? ????? ??? ????? ??????? ??? ?? ???? ??? ??????? ???? ????? ????????? ????????