OPEN-SOURCE SCRIPT
Fibonacci Levels and EMAs
TradingView Pine Script error explanation – “The 'undeclared identifier' error happens when TradingView cannot find the variable or function that we try to use.”
TRADINGCODE.NET
Pine Script scope and assignment solution – Define variables in global scope and use := inside if blocks
STACKOVERFLOW.COM
. This prevents “undeclared identifier” errors for variables set in conditional logic.
Pine Script plotting rules – “You can't use plot statements in ... any other local block in a script.” (must be global)
TOUCH-DT.COM
.
Example of invalid plot parameter causing error – using an unsupported 'dashed' style in plot() led to an undeclared identifier issue
REDDIT.COM
. Always use valid plot styles or drawing functions for custom line styles.
Fibonacci level calculation example – computing fib retracement levels from a high and low price
TRADINGVIEW.COM
(standard 23.6%, 38.2%, 50%, 61.8% formula).
TRADINGCODE.NET
Pine Script scope and assignment solution – Define variables in global scope and use := inside if blocks
STACKOVERFLOW.COM
. This prevents “undeclared identifier” errors for variables set in conditional logic.
Pine Script plotting rules – “You can't use plot statements in ... any other local block in a script.” (must be global)
TOUCH-DT.COM
.
Example of invalid plot parameter causing error – using an unsupported 'dashed' style in plot() led to an undeclared identifier issue
REDDIT.COM
. Always use valid plot styles or drawing functions for custom line styles.
Fibonacci level calculation example – computing fib retracement levels from a high and low price
TRADINGVIEW.COM
(standard 23.6%, 38.2%, 50%, 61.8% formula).
Open-source script
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in publications is governed by House rules. You can favorite it to use it on a chart.
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