Buy and sell zones

The plotted line is just the buy zone; haven’t done the sell zone yet.  It works a bit like Bollinger bands.

If you add a parameter ‘x’ to this line:

return p[8] coloured (0,0,0)

…you can shift it around and find where it gives the best signals.  I like to buy when it crosses back above the line from oversold.

This version adds high volume down bar as a buy condition.  Nicolas, would you mind backtesting on more data please?  I only have limited data through IG.

// https://www.prorealcode.com/topic/how-to-highest10volume-but-only-of-down-bars/
// Today's volume should be larger than the volume of the highest down day over the last 40 days
DEFPARAM CumulateOrders = False // Cumulating positions deactivated
maxDay = 40
 
maxDownDay = 0
 
maxDown = 0
 
FOR d = 1 TO maxDay DO
 
r = Close[d] - Open[d]
 
IF r < 0 and Volume[d] > maxDown THEN
 
maxDown = Volume[d]
 
maxDownDay = d
 
ENDIF
 
NEXT
 
IF maxDownDay = 0 THEN
 
maxDownDayVol = 0
 
ELSE
 
maxDownDayVol = Volume[maxDownDay]
 
ENDIF
 
cVol2 = (Volume > maxDownDayVol)// sample screener code

///////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
// Conditions to enter long positions
indicator1  = CALL "SAR supp line"[2, 0.2, 10, 3]
c1 = (close < indicator1) //or close<indicator1[1] or close<indicator1[2] or close<indicator1[3]

IF c1   and cVol2 THEN
BUY 5 CONTRACT AT MARKET
ENDIF

// Conditions to exit long positions
indicator2 = CALL "SAR res line"[2, 0.2, 2, 3]
c2 = (close >= indicator2)

IF c2 THEN
SELL AT MARKET
ENDIF

// Stops and targets
//sET STOP pTRAILING 20  //pLOSS 50 //
SET TARGET pPROFIT 10

Overwhelmed now.  Have to do it another time.