Progressive Profit Taking with Trailing Stop

This is version 2 of

Special features:

• Added partial profit taking as price rises. Profit taking is triggered by price crossing an EMA.
  
• After profit taking, price has to rise by a user-specified percent before taking profits again.
  
• Also includes condition for fully closing position after meeting specified profit target.
  

To incorporate into your algo, turn the plotshape functions into alertcondition.

版本注释:

Fixed line 39