What makes a good trading system? It's when you can explain your method to someone unfamiliar with trading, and after listening, they understand that you're profitable. That's a good system! What conditions does a good system meet?

First: Simple and easy to operate with no excessive indicators. Even if there are indicators, they should be easy to understand and simple to use.

Second: It must have a certain profit-making capability—it must be profitable.

Third: It must have a certain risk control capability.

These three points are all you need; they're just the basic model. The remaining piece is another model—the capital management model!