// !!! default timeframe 1 minute
timeframe(20minute, updateonclose) // update only every 20 minutes
close20m = close // 20minute close
barIndex20m = barindex // 20minute barindex
timeframe(1minute ) // 1minute timeframe
close1m = close // 1minute close
if barIndex20m <> barIndex20m[1]then // end of 20minute bar!
drawvline(barindex[20])style(dottedline,1) // denote with vertical line
// calculate the 20minute bar average based on last 20 1minute bars
avg1m = average[20](close1m)
// display this average over the relative 15minute bar width
drawsegment(barindex,avg1m,barindex[20],avg1m)style(dottedline,2)coloured("blue")
// table variables
print(close20m[1]) // this [1] aligns up 20m close with the avg1m value
print(avg1m) // in table
print(barindex20m)
endif
return close20m coloured("red")as"20m Close",close1m coloured("lime")as"1m close"
