Parabolic m Trail LX places a long exit order according to a Parabolic calculation.
When a long position is entered, Parabolic m Trail LX calculates generates a stop order at the low of the current bar minus the average true range of the number of bars specified in ATRLength input and multiplied by the value specified in NumATRs input.
The parabolic calculations are run on each of the consecutive bars and a new stop order is generated.