TradingView / PineScript FAQ

TradingView

• How to create a custom screener in TradingView?
• Using 3rd Party Data in TradingView
• How to grab data from TradingView charts and save them as a CSV file?

TradingView Interface

• How to Change Color Theme in TradingView?

PineScript

• Rounding Numbers in PineScript
• How to insert backtesting range to PineScript strategies?

PineScript Plotting

• How to Display Labels / Lines only for the last bar in PineScript?

PineScript Errors:

• The script must have one study() or strategy() function call – how to fix it?
• ‘expression’ argument of security function should have no side effects. – how to fix it?
• “Cannot use a mutable variable as an argument of the security function.” – how to fix it?
• “Syntax error at input ‘end of line without line continuation’.” – how to fix it?