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// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © dzedvon91
//@version=4
study("ORB", overlay = true)
inputMax = input(5, title= "ORB total time (minutes)")
hide = timeframe.isintraday and timeframe.multiplier <= inputMax
show_daily_range = true
sessSpec = input("0915-0920:1234567", type=input.session, title="Session Time")
t = time(timeframe.period, sessSpec)
is_newbar(res) => change(time(res)) != 0
in_session = not na(t)
is_first = in_session and not in_session[1]
was_last = not in_session and in_session[1]
orb_high = float(na)
orb_low = float(na)
if is_first
orb_high := high
orb_low := low
else
orb_high := orb_high[1]
orb_low := orb_low[1]
if high > orb_high and in_session
orb_high := high
orb_high
if low < orb_low and in_session
orb_low := low
orb_low
if not show_daily_range
orb_high := na
orb_low := na
plot(hide ? orb_high : na , style=plot.style_line, color=orb_high[1] != orb_high ? na : color.green, title="ORB High", linewidth=2)
plot(hide ? orb_low : na , style=plot.style_line, color=orb_low[1] != orb_low ? na : color.red, title="ORB Low", linewidth=2)