//%trailing stop function
trailingPercent = tst
stepPercent = st
if onmarket then
trailingstart = tradeprice(1)*(trailingpercent/100) //trailing will start @trailingstart points profit
trailingstep = tradeprice(1)*(stepPercent/100) //% step to move the stoploss
endif
//reset the stoploss value
IF NOT ONMARKET THEN
newSL=0
ENDIF
//manage long positions
IF LONGONMARKET THEN
//first move (breakeven)
IF newSL=0 AND close-tradeprice(1)>=trailingstart THEN
newSL = tradeprice(1)+trailingstep
ENDIF
//next moves
IF newSL>0 AND close-newSL>trailingstep THEN
newSL = newSL+trailingstep
ENDIF
ENDIF
//manage short positions
IF SHORTONMARKET THEN
//first move (breakeven)
IF newSL=0 AND tradeprice(1)-close>=trailingstart THEN
newSL = tradeprice(1)-trailingstep
ENDIF
//next moves
IF newSL>0 AND newSL-close>trailingstep THEN
newSL = newSL-trailingstep
ENDIF
ENDIF
//stop order to exit the positions
IF newSL>0 THEN
SELL AT newSL STOP
EXITSHORT AT newSL STOP
ENDIF
