MACD Signals with Alert System: Free TradingView Indicator (Pine Script)

Add It to Your TradingView Chart

1Copy the scriptPress Copy script above, or the copy button on the code below.
2Open the Pine EditorOpen a TradingView chart and choose Pine Editor at the bottom of the screen.
3Paste over the templateCreate a new indicator, select all of the template text and paste. Press Save and give it a name.
4Add it to the chartPress Add to chart, then adjust the settings with the gear icon next to its name.

Source Code

187 lines of Pine Script v5 from Tradingview/macd-signals-alert-system-v2.pine, published under MPL-2.0 (file header). Keep the author's credit and licence lines when you reuse it.

macd-signals-alert-system-v2.pine

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


//@version=5
indicator("MACD Signals with Alert System", overlay = true)

// @keywords: macd, hull-ma, ema-crossover, stochastic, time-segmented-volume, combined-alerts, alert-system, overlay-signals, trend-direction, histogram-fade, ema-50, ema-100, ema-200, stoch-crossover, volume-segment, multi-signal, bar-close-alerts, hull-direction, momentum-shift, price-cross

var need_to_alert = true
var alert_text = ' '

hull_standalone_alerts = input.bool(true, title = "Hull Standalone Alerts", group = "Choose Alerts")
macd_changing_b_2_d_alerts = input.bool(true, title = "MACD Changing Bright-to-Dark Alerts", group = "Choose Alerts")
ema_crossing_alerts = input.bool(true, title = "EMA Crossing Alerts", group = "Choose Alerts")
stoch_crossing_alerts = input.bool(true, title = "Stoch Crossing Alerts", group = "Choose Alerts")
timsegvol_alerts = input.bool(true, title = "Time Seg Vol Crossing Alerts", group = "Choose Alerts")

//HULL
hull_length = input.int(20, title = "Hull Length", group = "Hull Settings")
hull_price = input.source(close, title = "Hull Price", group = "Hull Settings")
hull_ma = ta.hma(hull_price, hull_length)
hull_direction = hull_ma > hull_ma[1] ? 1 : -1
plot(hull_ma, color = hull_direction == 1 ? color.green : color.red, title = "Hull MA", linewidth = 5)

hull_standalone_alert = hull_direction != hull_direction[1] and hull_standalone_alerts
var hull_alert_text = ' '

if hull_standalone_alert
    if hull_direction == 1
        hull_alert_text := "Hull Green"
    if hull_direction == -1
        hull_alert_text := "Hull Red"
else 
    hull_alert_text := ""
        
//MACD
fast_length = input.int(title="MACD Fast Length", defval=12, group = "MACD Settings")
slow_length = input.int(title="MACD Slow Length", defval=26, group = "MACD Settings")
signal_length = input.int(title="MACD Sigal Length",  minval = 1, maxval = 50, defval = 9, group = "MACD Settings")
macd_src = input(title="MACD Price", defval=close,group = "MACD Settings")
[macdLine, signalLine, histLine] = ta.macd(macd_src, fast_length, slow_length, signal_length)
macd_direction = histLine >= 0 and histLine > histLine[1] ? 2 : histLine >= 0 ? 1 : histLine < 0 and histLine < histLine[1] ? -2 : -1 //2 == green, 1 == dark green, -2 == red, -1 == dark red

macd_changing_b_2_d_alert = macd_changing_b_2_d_alerts and ((macd_direction == 1 and macd_direction[1] == 2) or (macd_direction == -1 and macd_direction[1] == -2))
var macd_alert_text = ' '

if macd_changing_b_2_d_alert
    if macd_direction == 1
        macd_alert_text := "MACD Green to Dark Green"
    if macd_direction == -1
        macd_alert_text := "MACD Red to Dark Red"
else 
    macd_alert_text := ""
        

//EMA
ema1 = input.int(title="EMA 50 Length", defval=50, group = "EMA Settings")
ema2 = input.int(title="EMA 100 Length", defval=100, group = "EMA Settings")
ema3 = input.int(title="EMA 200 Length", defval = 200, group = "EMA Settings")
ema_src = input(title="EMA Price", defval=close,group = "EMA Settings")
ema_1 = ta.ema(ema_src, ema1)
ema_2 = ta.ema(ema_src, ema2)
ema_3 = ta.ema(ema_src, ema3)
ema_1_crossing = ta.crossover(close, ema_1) ? 1 : ta.crossunder(close, ema_1) ? - 1 : 0
ema_2_crossing = ta.crossover(close, ema_2) ? 1 : ta.crossunder(close, ema_2) ? - 1 : 0
ema_3_crossing = ta.crossover(close, ema_3) ? 1 : ta.crossunder(close, ema_3) ? - 1 : 0

plot(ema_1, title = 'EMA 50', color = color.aqua)
plot(ema_2, title = 'EMA 100', color = color.orange)
plot(ema_3, title = 'EMA 200', color = color.yellow)

ema_crossing_alert = ema_crossing_alerts and ((ema_1_crossing != 0) or (ema_2_crossing != 0) or (ema_3_crossing != 0))
var ema_alert_text = ' '

if ema_crossing_alert
    if ema_1_crossing != 1 and ema_2_crossing != 1 and ema_3_crossing == 1
        ema_alert_text := 'Close crosses above EMA200'

    if ema_1_crossing != 1 and ema_2_crossing == 1 and ema_3_crossing != 1
        ema_alert_text := 'Close crosses above EMA100'

    if ema_1_crossing == 1 and ema_2_crossing != 1 and ema_3_crossing != 1
        ema_alert_text := ' Close crosses above EMA50'

    if ema_1_crossing != 1 and ema_2_crossing == 1 and ema_3_crossing == 1
        ema_alert_text := 'Close crosses above EMA100, and EMA200'

    if ema_1_crossing == 1 and ema_2_crossing != 1 and ema_3_crossing == 1
        ema_alert_text := 'Close crosses above EMA50, and EMA200'

    if ema_1_crossing == 1 and ema_2_crossing == 1 and ema_3_crossing != 1
        ema_alert_text := 'Close crosses above EMA50, and EMA100'

    if ema_1_crossing == 1 and ema_2_crossing == 1 and ema_3_crossing == 1
        ema_alert_text := 'Close crosses above EMA50, EMA100, and EMA200'
        
    //////////////////////////////////////////////////////////////////////
    
    if ema_1_crossing != -1 and ema_2_crossing != -1 and ema_3_crossing == -1
        ema_alert_text := 'Close crosses below EMA200'

    if ema_1_crossing != -1 and ema_2_crossing == -1 and ema_3_crossing != -1
        ema_alert_text := 'Close crosses below EMA100'

    if ema_1_crossing == -1 and ema_2_crossing != -1 and ema_3_crossing != -1
        ema_alert_text := 'Close crosses below EMA50'

    if ema_1_crossing != -1 and ema_2_crossing == -1 and ema_3_crossing == -1
        ema_alert_text := 'Close crosses below EMA100, and EMA200'

    if ema_1_crossing == -1 and ema_2_crossing != -1 and ema_3_crossing == -1
        ema_alert_text := 'Close crosses below EMA50, and EMA200'

    if ema_1_crossing == -1 and ema_2_crossing == -1 and ema_3_crossing != -1
        ema_alert_text := 'Close crosses below EMA50, and EMA100'

    if ema_1_crossing == -1 and ema_2_crossing == -1 and ema_3_crossing == -1
        ema_alert_text := 'Close crosses below EMA50, EMA100, and EMA200'

else 
    ema_alert_text := ""

//STOCH
stoch_kperiod = input.int(10, title = 'K Period', group = 'Stoch Settings')
stoch_dperiod = input.int(10, title = 'D Period', group = 'Stoch Settings')
stoch_overbought = input.int(80, title = 'Overbought', group = 'Stoch Settings')
stoch_oversold = input.int(20, title = 'Oversold', group = 'Stoch Settings')

stoch_k = ta.sma(ta.stoch(close, high, low, 3), stoch_kperiod)
stoch_d = ta.sma(stoch_k, stoch_dperiod)

stochk_ob_crossing = ta.crossover(stoch_k, stoch_overbought) ? 1 : ta.crossunder(stoch_k, stoch_overbought) ? - 1 : 0
// stochk_mid_crossing = ta.crossover(stoch_k, stoch_mid) ? 1 : ta.crossunder(stoch_k, stoch_mid) ? - 1 : 0
stochk_os_crossing = ta.crossover(stoch_k, stoch_oversold) ? 1 : ta.crossunder(stoch_k, stoch_oversold) ? - 1 : 0

stoch_k_crossingalert = stoch_crossing_alerts and ((stochk_ob_crossing != 0) or (stochk_os_crossing != 0))
var stoch_alert_text = ' '

if stoch_k_crossingalert
    if stochk_ob_crossing != 1 and stochk_os_crossing == 1
        stoch_alert_text := 'Stoch crosses above 20'

    if stochk_ob_crossing == 1 and stochk_os_crossing != 1
        stoch_alert_text := ' Stoch crosses above 80'

    if stochk_ob_crossing == 1 and stochk_os_crossing == 1
        stoch_alert_text := 'Stoch crosses above 20, and 80'

    //////////////////////////////////////////////////////////////////////
    
    if stochk_ob_crossing != -1 and stochk_os_crossing == -1
        stoch_alert_text := 'Stoch crosses below 20'

    if stochk_ob_crossing == -1 and stochk_os_crossing != -1
        stoch_alert_text := ' Stoch crosses below 80'

    if stochk_ob_crossing == -1 and stochk_os_crossing == -1
        stoch_alert_text := 'Stoch crosses below 20, and 80'

else 
    stoch_alert_text := ""
    
// TIME SEGMENTED VOLUME
l = input.int(13, title='TSV Length', group = 'Time Seg Vol Settings')
l_ma = input.int(7, title='MA Length', group = 'Time Seg Vol Settings')
t = math.sum(close > close[1] ? volume * (close - close[1]) : close < close[1] ? volume * (close - close[1]) : 0, l)
m = ta.sma(t, l_ma)
t_crossing = ta.crossover(t, 0) ? 1 : ta.crossunder(t, 0) ? - 1 : 0

timesegvol_alert = timsegvol_alerts and (t_crossing != 0)
var timesegvol_alert_text = ' '

if timesegvol_alert
    if t_crossing == 1
        timesegvol_alert_text := 'Time Seg Vol Crosses Above 0'
    if t_crossing == -1
        timesegvol_alert_text := 'Time Seg Vol Crosses Below 0'
else 
    timesegvol_alert_text := ''

//COMBINE ALERTS
need_to_alert := hull_standalone_alert or macd_changing_b_2_d_alert or ema_crossing_alert or stoch_k_crossingalert or timesegvol_alert ? true : false
alert_text := hull_alert_text + "\n" + macd_alert_text + "\n" + ema_alert_text + "\n" + stoch_alert_text + "\n" + timesegvol_alert_text

if need_to_alert == true
    alert(alert_text, alert.freq_once_per_bar_close)

Overview

MACD Signals with Alert System tracks trend direction changes, MACD histogram color shifts from bright to dark, and price crosses over standard EMAs. Users can toggle individual alerts for Hull slope changes, MACD transitions, EMA crossings, Stochastic crossovers, and Time Segmented Volume threshold crosses directly from the settings panel.

Hull Moving Average trend direction plot
MACD histogram momentum fade detection
Multi-EMA cross alerts for 50, 100, and 200 periods
Integrated Stochastic and Time Segmented Volume alerts

Details

Published by

g-moe on GitHub

Code credit

goodgains, as written in the script's header

Type

Indicator, Pine Script v5

Draws

On the price chart

Markets

Any symbol

Timeframes

Any timeframe

Risk Notes

No repainting, lookahead or stacked entries were found in its code or README. That says nothing about how well it works: test it first.

File

Tradingview/macd-signals-alert-system-v2.pine

Repository

github.com/g-moe/Trading-Indicators. See its other scripts in the library

Settings

The inputs you can change from the gear icon on the chart. Defaults are the author's.

Setting	Type	Default	Variable
Hull Standalone Alerts	`bool`	`true`	`hull_standalone_alerts`
MACD Changing Bright-to-Dark Alerts	`bool`	`true`	`macd_changing_b_2_d_alerts`
EMA Crossing Alerts	`bool`	`true`	`ema_crossing_alerts`
Stoch Crossing Alerts	`bool`	`true`	`stoch_crossing_alerts`
Time Seg Vol Crossing Alerts	`bool`	`true`	`timsegvol_alerts`
Hull Length	`int`	`20`	`hull_length`
Hull Price	`source`	`close`	`hull_price`
MACD Fast Length	`int`	`12`	`fast_length`
MACD Slow Length	`int`	`26`	`slow_length`
MACD Sigal Length	`int`	`9`	`signal_length`
MACD Price	`source`	`close`	`macd_src`
EMA 50 Length	`int`	`50`	`ema1`

Show all 21 settings

Setting	Type	Default	Variable
EMA 100 Length	`int`	`100`	`ema2`
EMA 200 Length	`int`	`200`	`ema3`
EMA Price	`source`	`close`	`ema_src`
K Period	`int`	`10`	`stoch_kperiod`
D Period	`int`	`10`	`stoch_dperiod`
Overbought	`int`	`80`	`stoch_overbought`
Oversold	`int`	`20`	`stoch_oversold`
TSV Length	`int`	`13`	`l`
MA Length	`int`	`7`	`l_ma`

Third-party code. ForexR did not write, test or endorse this script, and the summary above was generated automatically from its code and README. Indicators describe the past, and a strategy's backtest can look better than live trading, especially when a script repaints. Check it in the Strategy Tester and on a demo account before you rely on it.

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