Strategy · Pine Script v5 · Own pane

Strategy with selective alert() calls

by be-thomas

This strategy calculates a 20-period Relative Strength Index and plots the oscillator alongside a centerline at 50 in a separate pane.

View on GitHub

GitHub stars65on the repository
Pine versionv5runs as is
Lines of code27
Settings0inputs
LicenceGPL-3.0
Last update4 days ago24 Oct 2026

Add It to Your TradingView Chart

  1. 1Copy the scriptPress Copy script above, or the copy button on the code below.
  2. 2Open the Pine EditorOpen a TradingView chart and choose Pine Editor at the bottom of the screen.
  3. 3Paste over the templateCreate a new strategy, select all of the template text and paste. Press Save and give it a name.
  4. 4Add it to the chartPress Add to chart. The trades and results appear in the Strategy Tester tab; adjust the settings with the gear icon.

Source Code

27 lines of Pine Script v5 from examples/v5/tradingview-docs/v5-concepts-alerts-03.pine, published under GPL-3.0. Keep the author's credit and licence lines when you reuse it.

v5-concepts-alerts-03.pine
//@version=5
strategy("Strategy with selective `alert()` calls")
r = ta.rsi(close, 20)

// Detect crosses.
xUp = ta.crossover( r, 50)
xDn = ta.crossunder(r, 50)
// Place orders on crosses.
if xUp
    strategy.entry("Long", strategy.long)
else if xDn
    strategy.entry("Short", strategy.short)

// Trigger an alert when RSI diverges from our trade's direction.
divInLongTrade  = strategy.position_size > 0 and ta.falling(r, 3)
divInShortTrade = strategy.position_size < 0 and ta.rising( r, 3)
if divInLongTrade 
    alert("WARNING: Falling RSI", alert.freq_once_per_bar_close)
if divInShortTrade
    alert("WARNING: Rising RSI", alert.freq_once_per_bar_close)

plotchar(xUp, "Go Long",  "▲", location.bottom, color.lime, size = size.tiny)
plotchar(xDn, "Go Short", "▼", location.top,    color.red,  size = size.tiny)
plotchar(divInLongTrade,  "WARNING: Falling RSI", "•", location.top,    color.red,  size = size.tiny)
plotchar(divInShortTrade, "WARNING: Rising RSI",  "•", location.bottom, color.lime, size = size.tiny)
hline(50)
plot(r)

Overview

Strategy with selective alert() calls enters long positions when the indicator crosses above 50 and enters short positions on downward crosses. The strategy reverses trades on opposite signals and triggers warning alerts if momentum opposes an active position for three consecutive bars. It has no configurable input settings, no take profit targets, and no stop loss orders.

Details

Published by

be-thomas on GitHub

Type

Strategy, Pine Script v5

Draws

Separate pane below the chart

Category

Oscillators & momentum

Markets

Any symbol

Timeframes

Any timeframe

Risk Notes

  • The strategy enters trades without a stop loss

Topics

algorithmic-tradingbacktestingcompilerfintechjavascriptpinescripttechnical-analysistradingview

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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