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Indicator · Pine Script v6 · Own pane
Plus Directional Movement (+DM)
This indicator calculates Wilder's plus directional movement and plots the smoothed value in a separate pane.
GitHub stars99on the repository
Pine versionv6current
Lines of code44
Settings1inputs
LicenceApache-2.0
Last update4 weeks ago27 Sep 2026
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
44 lines of Pine Script v6 from lib/dynamics/plusdm/plusdm.pine, published under Apache-2.0. Keep the author's credit and licence lines when you reuse it.
// Licensed under the Apache License, Version 2.0
// © mihakralj
//@version=6
indicator("Plus Directional Movement (+DM)", "+DM", overlay=false)
//@function Calculates Wilder-smoothed +DM using compensated RMA
//@param period Number of bars used in the calculation
//@returns Smoothed +DM value in price units (≥0)
//@optimized Uses Wilder's smoothing (RMA) with warmup compensation for accurate values from bar 1
plusdm(simple int period) =>
if period <= 0
runtime.error("Period must be greater than 0")
float alpha = 1.0 / period
float beta = 1.0 - alpha
float plus_dm = 0.0
if not na(high[1])
float upMove = high - high[1]
float downMove = low[1] - low
if upMove > downMove and upMove > 0
plus_dm := upMove
var bool warmup = true
var float e = 1.0
var float plus_dm_ema = 0.0
var float plus_dm_result = plus_dm
plus_dm_ema := alpha * (plus_dm - plus_dm_ema) + plus_dm_ema
if warmup
e *= beta
float c = 1.0 / (1.0 - e)
plus_dm_result := c * plus_dm_ema
warmup := e > 1e-10
else
plus_dm_result := plus_dm_ema
plus_dm_result
// ---------- Main loop ----------
// Inputs
i_period = input.int(14, "Period", minval=1, tooltip="Number of bars used in the calculation")
// Calculation
plus_dm_value = plusdm(i_period)
// Plot
plot(plus_dm_value, "+DM", color=color.green, linewidth=2)
Overview
On each bar it compares the upward and downward price moves, keeps only a positive up move that exceeds the down move, then applies a compensated RMA so values are defined from the first bar. The period input sets the smoothing length, defaulting to 14. It does not generate trade entries, exits, or stop-loss levels.
- Wilder-smoothed plus directional movement
- Compensated RMA warmup from bar 1
- Configurable calculation period
- Green line in a separate pane
- Rejects a period of zero or less
Details
Published by
mihakralj on GitHub
Type
Indicator, Pine Script v6
Draws
Separate pane below the chart
Category
Trend
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.
Topics
algorithmic-tradingcsharpdotnetpinescriptpythonquantitative-financesimdta-libtechnical-analysistechnical-indicators
Settings
The inputs you can change from the gear icon on the chart. Defaults are the author's.
| Setting | Type | Default | Variable |
|---|---|---|---|
| Period | int | 14 | i_period |
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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