Here is another version of the Center of Gravity Timing indicator, popularized by Mostafa Belkhayate.

It simply calculates the distance from the current price from the average of median price (calculated over “period”) divided by the average of the candlesticks range (divided by 5) and calculated over “period”. 

//PRC_CenterOfGravityTiming | indicator
//29.09.2022
//Nicolas @ www.prorealcode.com
//Sharing ProRealTime knowledge

// --- settings 
period = 5
level1 = 4
level2 = 8
// --- end of settings 

ul1 = level1
ul2 = level2
ll1 = -level1
ll2 = -level2
am = 0
ar = 0
am = summation[period](medianprice)
ar = summation[period]((high-low)/5)

am = am / period
ar = ar / period
if ar <> 0 then 
o = (open-am)/ar
hh = (high-am)/ar
l = (low-am)/ar
c = (close-am)/ar
endif 

return ul1 style(dottedline2) coloured("magenta") as "Upper level 1",ul2 style(dottedline2) coloured("magenta") as "Upper level 2",ll1 style(dottedline2) coloured("magenta") as "Lower level 1",ll2 style(dottedline2) coloured("magenta") as "Lower level 2", o  coloured("gray"), hh  coloured("red"), l  coloured("red"), c  coloured("white")