① In the EA trading system, there is indeed a profit, but it is unrealistic to stabilize the profit.

(2) First of all, the construction of any trading program is inseparable from a set of logical algorithms. The market is ever-changing, no matter the structure, shape, back test data ... are not exactly the same.

③ Trading logic system that cannot trigger trading procedures. We can only say that some application functions of the trading program have certain advantages, such as grasping the entry point program and grasping the profit point program.

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