3 SMC Pine Script indicators every TradingView trader needs (free code inside)

// This Pine Script® code is subject to the terms of the Mozilla Public License 2.0
// © Toolkit Labs 2026 — clone of Orion SMC FVG Lite (dev.to/4219970)
//@version=5
indicator("SMC FVG Lite [Free] — Toolkit Labs", overlay=true, max_boxes_count=200)

lookback    = input.int(100, "Lookback candles", minval=10, maxval=500, group="Settings")
showBull    = input.bool(true, "Show bullish FVGs", group="Settings")
showBear    = input.bool(true, "Show bearish FVGs", group="Settings")
bullCol     = input.color(color.new(color.green, 80), "Bullish FVG colour", group="Settings")
bearCol     = input.color(color.new(color.red, 80), "Bearish FVG colour", group="Settings")
mitigated   = input.bool(true, "Remove when mitigated", group="Settings")

isRecent  = last_bar_index - bar_index <= lookback
isBullFVG = low[0] > high[2] and isRecent
isBearFVG = high[0] < low[2] and isRecent

var box[] bullBoxes = array.new_box()
var box[] bearBoxes = array.new_box()

if isBullFVG and showBull
    b = box.new(bar_index - 2, low[0], bar_index, high[2], border_color=na, bgcolor=bullCol)
    array.push(bullBoxes, b)

if isBearFVG and showBear
    b = box.new(bar_index - 2, low[2], bar_index, high[0], border_color=na, bgcolor=bearCol)
    array.push(bearBoxes, b)

for b in bullBoxes
    box.set_right(b, bar_index)
for b in bearBoxes
    box.set_right(b, bar_index)

if mitigated and array.size(bullBoxes) > 0
    for i = array.size(bullBoxes) - 1 to 0
        b = array.get(bullBoxes, i)
        if close >= box.get_bottom(b) and close <= box.get_top(b)
            box.delete(b)
            array.remove(bullBoxes, i)

if mitigated and array.size(bearBoxes) > 0
    for i = array.size(bearBoxes) - 1 to 0
        b = array.get(bearBoxes, i)
        if close >= box.get_bottom(b) and close <= box.get_top(b)
            box.delete(b)
            array.remove(bearBoxes, i)

while array.size(bullBoxes) > lookback
    box.delete(array.shift(bullBoxes))
while array.size(bearBoxes) > lookback
    box.delete(array.shift(bearBoxes))

alertcondition(isBullFVG, "Bullish FVG", "Bullish FVG detected")
alertcondition(isBearFVG, "Bearish FVG", "Bearish FVG detected")

// This Pine Script® code is subject to the terms of the Mozilla Public License 2.0
// © Toolkit Labs 2026 — clone of Orion Liquidity Zones Lite (dev.to/2ncg)
//@version=5
indicator("SMC Liquidity Zones Lite — Toolkit Labs", overlay=true,
          max_lines_count=200, max_labels_count=100)

swingLen = input.int(10, "Swing Length", minval=3, maxval=50)
extBars  = input.int(50, "Extend Lines (bars)", minval=5, maxval=200)
cBSL     = input.color(#26a69a, "BSL Color (Buy-Side)")
cSSL     = input.color(#ef5350, "SSL Color (Sell-Side)")

swHigh = ta.pivothigh(high, swingLen, swingLen)
swLow  = ta.pivotlow(low,  swingLen, swingLen)

if not na(swHigh)
    pivBar = bar_index - swingLen
    line.new(pivBar, swHigh, pivBar + extBars, swHigh,
             color=cBSL, width=1, style=line.style_dashed)
    label.new(pivBar, swHigh, "BSL", color=color.new(cBSL, 90),
              textcolor=cBSL, style=label.style_label_down, size=size.tiny)

if not na(swLow)
    pivBar = bar_index - swingLen
    line.new(pivBar, swLow, pivBar + extBars, swLow,
             color=cSSL, width=1, style=line.style_dashed)
    label.new(pivBar, swLow, "SSL", color=color.new(cSSL, 90),
              textcolor=cSSL, style=label.style_label_up, size=size.tiny)

bullSweep = low < ta.lowest(low[1], 20) and close > ta.lowest(low[1], 20)
bearSweep = high > ta.highest(high[1], 20) and close < ta.highest(high[1], 20)

if bullSweep
    label.new(bar_index, low, "SSL\nSwept", color=color.new(#26a69a, 80),
              textcolor=#26a69a, style=label.style_label_up, size=size.small)
if bearSweep
    label.new(bar_index, high, "BSL\nSwept", color=color.new(#ef5350, 80),
              textcolor=#ef5350, style=label.style_label_down, size=size.small)

alertcondition(bullSweep, "Bullish Sweep", "SSL Swept — {{ticker}} {{interval}} @ {{close}}")
alertcondition(bearSweep, "Bearish Sweep", "BSL Swept — {{ticker}} {{interval}} @ {{close}}")

// This Pine Script® code is subject to the terms of the Mozilla Public License 2.0
// © Toolkit Labs 2026 — clone of Orion Order Blocks Lite (dev.to/2ncg)
//@version=5
indicator("SMC Order Blocks Lite — Toolkit Labs", overlay=true, max_boxes_count=100, max_labels_count=50)

minImpulse = input.float(0.5, "Min Impulse Move (%)", minval=0.1, maxval=5.0, step=0.1)
extBars    = input.int(50, "Extend Boxes (bars)", minval=5, maxval=300)
obLen      = input.int(3,  "Impulse Lookback (bars)", minval=2, maxval=10)
cBull      = input.color(color.new(#26a69a, 80), "Bullish OB")
cBear      = input.color(color.new(#ef5350, 80), "Bearish OB")

isImpulseBull = (close - close[obLen]) / close[obLen] * 100 >= minImpulse and close > open
isImpulseBear = (close[obLen] - close) / close[obLen] * 100 >= minImpulse and close < open

isBullOB = isImpulseBull and open[obLen] > close[obLen]
isBearOB = isImpulseBear and open[obLen] < close[obLen]

if isBullOB
    obHigh = high[obLen]
    obLow  = low[obLen]
    obBar  = bar_index - obLen
    box.new(obBar, obHigh, obBar + extBars, obLow,
            bgcolor=cBull, border_color=color.new(#26a69a, 10), border_width=1)
    label.new(obBar, obHigh, "BullOB",
              color=color.new(#26a69a, 85), textcolor=#26a69a,
              style=label.style_label_down, size=size.tiny)

if isBearOB
    obHigh = high[obLen]
    obLow  = low[obLen]
    obBar  = bar_index - obLen
    box.new(obBar, obHigh, obBar + extBars, obLow,
            bgcolor=cBear, border_color=color.new(#ef5350, 10), border_width=1)
    label.new(obBar, obLow, "BearOB",
              color=color.new(#ef5350, 85), textcolor=#ef5350,
              style=label.style_label_up, size=size.tiny)

alertcondition(isBullOB, "Bullish OB Formed", "Bullish OB — {{ticker}} {{interval}} @ {{close}}")
alertcondition(isBearOB, "Bearish OB Formed", "Bearish OB — {{ticker}} {{interval}} @ {{close}}")