Session boxes based on high/low for the session?

[jtsas]

Hi all, I'm struggling to figure out how to plot a box for a defined FOREX session using the high and low of the session as the upper and lower bound. I currently have the bgcolor changing for each session, but this isn't what I want. Any ideas?

[jtsas]

This is as far as I've gotten. I'm not sure how to get it to redraw so it backfills from the highest high and lowest low for the session.

[Matthew]

Hi jtsas!

Achieving that is kind of tricky and will require the use of "var" variables.

What you need to do is something like this:

Step 1: Detect when your session begins or ends

Code: Select all

// InSession() determines if a price bar falls inside the specified session
InSession(sess) => na(time(timeframe.period, sess)) == false

Step 2: Detect the high / low of the session

Code: Select all

var highOfSession = 0.0
var lowOfSession = 99999999

if InSession(<specified_trading_session>) and (high > highOfSession or na(highOfSession))
    highOfSession := high

if InSession(<specified_trading_session>) and (low < lowOfSession or na(lowOfSession))
    lowOfSession := low

Step 3: Reset high/low when the session ends

Code: Select all

if not InSession(<specified_trading_session>)
    highOfSession := na
    lowOfSession := na

Step 4: Draw/fill background

Code: Select all

highPlot = plot(highOfSession)
lowPlot = plot(lowOfSession)
fill(highPlot, lowPlot, color=color.yellow)

Unfortunately I don't have time to go into more detail, this is just some pseudo-code to get you thinking about potential solutions. This kind of thing is fairly complex and is something we'll cover in the Mentorship Program when it's released :) best of luck with your trading!