Trend Detector: 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

131 lines of Pine Script v5 from trend_detector.pinescript, published under MPL-2.0 (file header). Keep the author's credit and licence lines when you reuse it.

trend_detector.pinescript

// This Pine Script™ code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © MarcosACH
// Created by Marcos Achaval
// Last updated: July 17, 2024

//@version=5
indicator(title = "Trend Detector", shorttitle = "Trend Detector", overlay = true)


//#region ------ USER INPUTS
// Trend Detector
bool trendDetectorSwitch = input.bool(defval = true, title = "Plot", group = "Trend Detector")
string trendDetectorPosition = input.string(defval = position.top_right, title = "Position", 
     options = [position.top_left, position.top_center, position.top_right, position.middle_left, position.middle_center, 
                 position.middle_right, position.bottom_left, position.bottom_center, position.bottom_right], group = "Trend Detector")
color trendDetectorFrameColor = input.color(defval = color.new(color.white, 80), title = "Frame Color", group = "Trend Detector")
int trendDetectorFrameWidth = input.int(defval = 2, title = "Frame Width", minval = 0, maxval = 5, group = "Trend Detector")
color trendDetectorBorderColor = input.color(defval = color.new(color.white, 80), title = "Border Color", group = "Trend Detector")
int trendDetectorBorderWidth = input.int(defval = 2, title = "Border Width", minval = 0, maxval = 5, group = "Trend Detector")
color trendDetectorTextColor = input.color(defval = color.new(color.white, 60), title = "Text Color", group = "Trend Detector")

// Fast MA
bool ma1Switch = input.bool(defval = false, title = "Plot", group = "Fast MA")
bool ma1ShowTrendData = input.bool(defval = true, title = "Show Trend Data", tooltip = "This will show the trend data on the 'Trend Detector' table", group = "Fast MA")
string ma1Type = input.string(defval = "EMA", title = "Type", options = ["SMA", "EMA", "RMA", "WMA", "VWMA"], group = "Fast MA")
int ma1Length = input.int(defval = 20, title = "Length", group = "Fast MA")
ma1Source = input.source(defval = close, title = "Source", group = "Fast MA")
ma1Timeframe = input.timeframe(defval = "15", title = "Timeframe", group = "Fast MA")
color ma1Color = input.color(defval = color.new(color.red, 0), title = "Color", group = "Fast MA")
bool ma1WaitTF = input.bool(defval = true, title = "Wait TF Close", tooltip = "This will wait until the selected timeframe closes to plot the MA, which will remove the gaps", group = "Fast MA")

// Mid MA
bool ma2Switch = input.bool(defval = false, title = "Plot", group = "Mid MA")
bool ma2ShowTrendData = input.bool(defval = true, title = "Show Trend Data", tooltip = "This will show the trend data on the 'Trend Detector' table", group = "Mid MA")
string ma2Type = input.string(defval = "EMA", title = "Type", options = ["SMA", "EMA", "RMA", "WMA", "VWMA"], group = "Mid MA")
int ma2Length = input.int(defval = 20, title = "Length", group = "Mid MA")
ma2Source = input.source(defval = close, title = "Source", group = "Mid MA")
ma2Timeframe = input.timeframe(defval = "60", title = "Timeframe", group = "Mid MA")
color ma2Color = input.color(defval = color.new(color.orange, 0), title = "Color", group = "Mid MA")
bool ma2WaitTF = input.bool(defval = true, title = "Wait TF Close", tooltip = "This will wait until the selected timeframe closes to plot the MA, which will remove the gaps", group = "Mid MA")

// Slow MA
bool ma3Switch = input.bool(defval = false, title = "Plot", group = "Slow MA")
bool ma3ShowTrendData = input.bool(defval = true, title = "Show Trend Data", tooltip = "This will show the trend data on the 'Trend Detector' table", group = "Slow MA")
string ma3Type = input.string(defval = "EMA", title = "Type", options = ["SMA", "EMA", "RMA", "WMA", "VWMA"], group = "Slow MA")
int ma3Length = input.int(defval = 20, title = "Length", group = "Slow MA")
ma3Source = input.source(defval = close, title = "Source", group = "Slow MA")
ma3Timeframe = input.timeframe(defval = "240", title = "Timeframe", group = "Slow MA")
color ma3Color = input.color(defval = color.new(color.yellow, 0), title = "Color", group = "Slow MA")
bool ma3WaitTF = input.bool(defval = true, title = "Wait TF Close", tooltip = "This will wait until the selected timeframe closes to plot the MA, which will remove the gaps", group = "Slow MA")
//#endregion


//#region ------ FUNCTIONS
// @function Converts a string timeframe into a user-friendly format.
// @param timeframe (string) The timeframe to convert.
// @returns (string) The formatted timeframe.
method formatTF(string timeframe) =>
    if str.tonumber(timeframe) < 60
        timeframe + "M"  // Minutes
    else if str.tonumber(timeframe) >= 60
        str.tostring(str.tonumber(timeframe) / 60) + "H"  // Hours
    else
        timeframe
//#endregion


//#region ----- CALCULATIONS
float ma1Exp = ma1Type == "SMA" ? ta.sma(ma1Source, ma1Length) : ma1Type == "EMA" ? ta.ema(ma1Source, ma1Length) : ma1Type == "RMA" ? ta.rma(ma1Source, ma1Length) : ma1Type == "WMA" ? ta.wma(ma1Source, ma1Length) : ta.vwma(ma1Source, ma1Length)
float ma2Exp = ma2Type == "SMA" ? ta.sma(ma2Source, ma2Length) : ma2Type == "EMA" ? ta.ema(ma2Source, ma2Length) : ma2Type == "RMA" ? ta.rma(ma2Source, ma2Length) : ma2Type == "WMA" ? ta.wma(ma2Source, ma2Length) : ta.vwma(ma2Source, ma2Length)
float ma3Exp = ma3Type == "SMA" ? ta.sma(ma3Source, ma3Length) : ma3Type == "EMA" ? ta.ema(ma3Source, ma3Length) : ma3Type == "RMA" ? ta.rma(ma3Source, ma3Length) : ma3Type == "WMA" ? ta.wma(ma3Source, ma3Length) : ta.vwma(ma3Source, ma3Length)

float ma1Value = request.security(syminfo.tickerid, ma1Timeframe, ma1Exp, ma1WaitTF ? barmerge.gaps_on : barmerge.gaps_off)
float ma2Value = request.security(syminfo.tickerid, ma2Timeframe, ma2Exp, ma2WaitTF ? barmerge.gaps_on : barmerge.gaps_off)
float ma3Value = request.security(syminfo.tickerid, ma3Timeframe, ma3Exp, ma3WaitTF ? barmerge.gaps_on : barmerge.gaps_off)
//#endregion


//#region ------ VARIABLES
float ma1NonNaNValue = fixnan(ma1Value)
float ma2NonNaNValue = fixnan(ma2Value)
float ma3NonNaNValue = fixnan(ma3Value)

array<bool> maShowTrendDataSwitches = array.new_bool()
maShowTrendDataSwitches.push(ma1ShowTrendData), maShowTrendDataSwitches.push(ma2ShowTrendData), maShowTrendDataSwitches.push(ma3ShowTrendData)

int trueCounter = 0
for value in maShowTrendDataSwitches
    if value
        trueCounter += 1

var table trendDetector = table.new(trendDetectorPosition, 2, trueCounter + 1)
//#endregion


//#region ------ PLOTTING
plot(ma1Switch ? ma1Value : na, color = ma1Color, display = ma1Switch ? display.all : display.none)
plot(ma2Switch ? ma2Value : na, color = ma2Color, display = ma2Switch ? display.all : display.none)
plot(ma3Switch ? ma3Value : na, color = ma3Color, display = ma3Switch ? display.all : display.none)

if trueCounter > 0 and trendDetectorSwitch
    trendDetector.set_frame_color(trendDetectorFrameColor)
    trendDetector.set_frame_width(trendDetectorFrameWidth)
    trendDetector.set_border_color(trendDetectorBorderColor)
    trendDetector.set_border_width(trendDetectorBorderWidth)
    trendDetector.cell_set_text(0, 0, "Term")
    trendDetector.cell_set_text_color(0, 0, trendDetectorTextColor)
    trendDetector.cell_set_text(1, 0, "Trend")
    trendDetector.cell_set_text_color(1, 0, trendDetectorTextColor)

    int i = 1
    if ma1ShowTrendData
        trendDetector.cell_set_text(0, i, "Short\n" + ma1Timeframe.formatTF())
        trendDetector.cell_set_text_color(0, i, trendDetectorTextColor)
        trendDetector.cell_set_text(1, i, close >= ma1NonNaNValue ? "Up ▲" : "Down ▼")
        trendDetector.cell_set_text_color(1, i, close >= ma1NonNaNValue ? color.new(color.green, 60) : color.new(color.red, 60))
        i += 1

    if ma2ShowTrendData
        trendDetector.cell_set_text(0, i, "Mid\n" + ma2Timeframe.formatTF())
        trendDetector.cell_set_text_color(0, i, trendDetectorTextColor)
        trendDetector.cell_set_text(1, i, close >= ma2NonNaNValue ? "Up ▲" : "Down ▼")
        trendDetector.cell_set_text_color(1, i, close >= ma2NonNaNValue ? color.new(color.green, 60) : color.new(color.red, 60))
        i += 1

    if ma3ShowTrendData
        trendDetector.cell_set_text(0, i, "Long\n" + ma3Timeframe.formatTF())
        trendDetector.cell_set_text_color(0, i, trendDetectorTextColor)
        trendDetector.cell_set_text(1, i, close >= ma3NonNaNValue ? "Up ▲" : "Down ▼")
        trendDetector.cell_set_text_color(1, i, close >= ma3NonNaNValue ? color.new(color.green, 60) : color.new(color.red, 60))
//#endregion

Overview

A table lists whether each selected average is trending up or down. An option waits for the chosen timeframe to close before plotting, which removes gaps. Table position, frame, border and text colors are adjustable. It draws on the price chart.

Three multi-timeframe moving averages
Five moving average types
Trend direction table
Wait for timeframe close option

Details

Published by

MarcosACH on GitHub

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

trend_detector.pinescript

Repository

github.com/MarcosACH/trend-detector

Topics

pinescriptpinescript-algorithmspinescript-indicatorstechnical-analysistechnical-analysis-indicatorstrading-algorithmstrading-indicatorstradingvewtradingview

Settings

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

Setting	Type	Default	Variable
Plot	`bool`	`true`	`trendDetectorSwitch`
Position	`string`	`position.top_right`	`trendDetectorPosition`
Frame Color	`color`	`color.new(color.white, 80)`	`trendDetectorFrameColor`
Frame Width	`int`	`2`	`trendDetectorFrameWidth`
Border Color	`color`	`color.new(color.white, 80)`	`trendDetectorBorderColor`
Border Width	`int`	`2`	`trendDetectorBorderWidth`
Text Color	`color`	`color.new(color.white, 60)`	`trendDetectorTextColor`
Plot	`bool`	`false`	`ma1Switch`
Show Trend Data	`bool`	`true`	`ma1ShowTrendData`
Type	`string`	`EMA`	`ma1Type`
Length	`int`	`20`	`ma1Length`
Source	`source`	`close`	`ma1Source`

Show all 31 settings

Setting	Type	Default	Variable
Timeframe	`timeframe`	`15`	`ma1Timeframe`
Color	`color`	`color.new(color.red, 0)`	`ma1Color`
Wait TF Close	`bool`	`true`	`ma1WaitTF`
Plot	`bool`	`false`	`ma2Switch`
Show Trend Data	`bool`	`true`	`ma2ShowTrendData`
Type	`string`	`EMA`	`ma2Type`
Length	`int`	`20`	`ma2Length`
Source	`source`	`close`	`ma2Source`
Timeframe	`timeframe`	`60`	`ma2Timeframe`
Color	`color`	`color.new(color.orange, 0)`	`ma2Color`
Wait TF Close	`bool`	`true`	`ma2WaitTF`
Plot	`bool`	`false`	`ma3Switch`
Show Trend Data	`bool`	`true`	`ma3ShowTrendData`
Type	`string`	`EMA`	`ma3Type`
Length	`int`	`20`	`ma3Length`
Source	`source`	`close`	`ma3Source`
Timeframe	`timeframe`	`240`	`ma3Timeframe`
Color	`color`	`color.new(color.yellow, 0)`	`ma3Color`
Wait TF Close	`bool`	`true`	`ma3WaitTF`

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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