Zen Gaps v5.0

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © Zen_Tim_Trades

//@version=5
indicator("Zen Gaps v5.0 · 20260923", shorttitle="Zen Gaps v5.0", overlay = true, max_labels_count=100, max_lines_count = 100)



bool plotTickGaps = input.string("On", "Show Tick Gaps ?", options = ["On", "Off"]) == "On"
bool plotUrgentBars = input.string("On", "Show Urgent Bars ?", options = ["On", "Off"]) == "On"
bool plotClarityBars = input.string("On", "Show Clarity?", options = ["On", "Off"]) == "On"

i_bullIBSfactor = input.int(69, "Bull IBS Threshold", minval = 51, maxval = 99)
I_bearIBSfactor = input.int(31, "Bear INS Threshold", minval = 1, maxval = 49)
UrgencyBullThreshold  = input(title = "Urgency Bull %", defval = 15)
UrgencyBearThreshold  = input(title = "Urgency Bear %", defval = 15)
BodyRangeThreshold  = input(title = "Body Range Limit", defval = 51)

//Set Input Colours
bullGapBGColor = input(color.rgb(76, 175, 79, 95), 'Bullish Gap Background')
bullGapBorderColor = input(color.rgb(76, 175, 79, 100), 'Bullish Gap Border')
strongBullGapBGColor = input(color.rgb(55, 188, 255, 80), 'Strongly Bullish Gap Background')
strongBullGapBorderColor = input(color.rgb(66, 116, 187, 100), 'Strongly Bullish Gap Border')
bearGapBGColor = input(color.rgb(255, 82, 82, 92), 'Bearish Gap Background')
bearGapBorderColor = input(color.rgb(255, 82, 82, 100), 'Bearish Gap Border')
strongBearGapBGColor = input(color.rgb(55, 188, 255, 80), 'Strongly Bearish Gap Background')
strongBearGapBorderColor = input(color.rgb(66, 116, 187, 100), 'Strongly Bearish Gap Border')

//bull and bear bar
bullBar = close > open
bearBar = open > close
priorBullBar = close[2] > open[2]
priorBearBar = open[2] > close[2]

//Determine Gap direction
bullGap = low > high[2] 
bearGap = high < low[2]

//Determine Gap Strength
currentbarStatus = (close >= open ? 1 : 0)
priorbarStatus = (close[2] >= open[2] ? 1 : 0)
isStrongGap = currentbarStatus == priorbarStatus ? 1 : 0




if bullGap 
    if isStrongGap > 0
        if bullBar
            if priorBullBar
                strongbullGapDraw = box.new(left = bar_index[2], top = low, right = bar_index, bottom = high[2], border_color = strongBullGapBorderColor, border_width = 2, border_style = line.style_solid, bgcolor = strongBullGapBGColor)
    else 
        bullGapDraw = box.new(left = bar_index[2], top = low, right = bar_index, bottom = high[2], border_color = bullGapBorderColor, border_width = 2, border_style = line.style_solid, bgcolor = bullGapBGColor)

if bearGap
    if  isStrongGap > 0
        if bearBar
            if priorBearBar
                strongbearGapDraw = box.new(left = bar_index[2], top = low[2], right = bar_index, bottom = high, border_color = strongBearGapBorderColor, border_width = 2, border_style = line.style_solid, bgcolor = strongBearGapBGColor)
    else
        bearGapdraw = box.new(left = bar_index[2], top = low[2], right = bar_index, bottom = high, border_color = bearGapBorderColor, border_width = 2, border_style = line.style_solid, bgcolor = bearGapBGColor)

//Tick Gaps
bulltickgap = open > close[1]
beartickgap = open < close[1]

showbulltickgap = bulltickgap and plotTickGaps == true
showbeartickgap = beartickgap and plotTickGaps == true

//

var line lineBull = na
var line lineBear = na
var int lineBullBar = na
var int lineBearBar = na

if showbulltickgap
    //line.delete(lineBull)
    lineBull := line.new(x1=bar_index - 1, y1=open, x2=bar_index + 2, y2=open, color=color.green)
    lineBullBar := bar_index

if showbeartickgap
   // line.delete(lineBear)
    lineBear := line.new(x1=bar_index - 1, y1=open, x2=bar_index + 2, y2=open, color=color.red)
    lineBearBar := bar_index



//

//IBS
ibsBullThreshold  = input(title = "IBS Bull", defval = 31)
ibsBearThreshold  = input(title = "IBS Bear", defval = 69)

isPerfectdoji = close == open

iBS = ((close - low) / (high - low)) * 100

//IBS qualifier

bullclose_ok_ibs = bullBar and iBS > i_bullIBSfactor
bearclose_ok_ibs = bearBar and iBS < I_bearIBSfactor

//Show urgent bars

bar_range = math.abs(high - low)
isbull = close > open
isbear = close < open
body_size = isbull? math.abs(close-open) : isbear ? math.abs(open-close) : na
bodyoverrange = body_size / bar_range

toptail = isbull? high - close : isbear? high - open : na
bottomtail = isbull? open - low : isbear? close - low : na
toptailoverbarrange = toptail / bar_range
bottomtailoverbarrange = bottomtail / bar_range
bigenoughbody = bodyoverrange > (BodyRangeThreshold / 100)


urgentbull = isbull and bottomtailoverbarrange < (UrgencyBullThreshold / 100) and bigenoughbody
urgentbear = isbear and toptailoverbarrange < (UrgencyBearThreshold / 100) and bigenoughbody

ploturgentbull = urgentbull and plotUrgentBars == true
ploturgentbear = urgentbear and plotUrgentBars == true


plotshape(ploturgentbull, "Urgent bulls", style=shape.arrowup, location=location.belowbar, color=color.rgb(33, 149, 243, 47))

plotshape(ploturgentbear, "Urgent bears", style=shape.arrowdown, location=location.abovebar, color=color.rgb(255, 82, 82, 47))

ploturgentclarity_bl = ploturgentbull and bulltickgap and plotClarityBars == true
ploturgentclarity_br = ploturgentbear and beartickgap and plotClarityBars == true

barcolor(ploturgentclarity_bl? color.blue : ploturgentclarity_br? color.red : na)

//Avg Bar Range Lookback

lookbackPeriod = input(8, "Lookback Period")

averageBarRange = math.sum(bar_range, lookbackPeriod) / lookbackPeriod
scalp_trend = averageBarRange * 0.8
scalp_countertrend = averageBarRange * 0.8 * 0.5

//Plots
//plot(iBS, "ibs" )
//plot(bar_range, "bar range")
//plot(body_size, "body size")
//plot(bodyoverrange, "body %")
//plot(averageBarRange, "Average Bar Range")
//plot(scalp_trend, "scalp trend")
//plot(scalp_countertrend, "scalp countertrend")