Slow and Fast Turtle

This script is based on the famous turtle strategy with add on cha stop.

- Fast Buy triggered when price cross upper DC 20.
- Slow Buy triggered when price cross upper DC55.
- There is 2 lines (black line) which is Stop Line and Average Up line.
- Stop when price close below Stop Line and Average Up when price close above Average Up line.
- There is 2 Sell signal which is Fast Sell and Slow Sell. Fast Sell triggered when price close below than lower DC 10 and Slow Sell triggered when price close below than lower DC 20.
- Cha stop is also sell signal which is triggered when close price is lower than lowest 2 days before.