How to calculate the expected rate of return of future positions?

Profit divided by principal and interest multiplied by 100%.

The calculation formula of position yield is the quotient of all profits divided by costs, and then multiplied by 100%.

When the holding yield decreases, the principal and interest will decrease together, and when the holding yield decreases, the principal and interest will decrease first. The calculation formula of holding rate of return is the quotient of residual profit divided by residual principal multiplied by 100%.

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