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Box Function in Pine Script

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Understanding and Using the Box Function in Pine Script

Pine Script is a domain-specific language developed by TradingView. It’s used by traders to design and implement custom indicators and strategies. One function that can be quite useful in this scripting language is the box function. It’s a unique function that can cast na to box. Let’s dive into the details of what this function is and how you can use it effectively in your Pine Scripts.

Defining the Box Function

Function Syntax

The box function in Pine Script has a relatively simple syntax:

box(x) → series box

Here, x is the argument, which is the input value you want to cast to box. The function will return the value of the argument after casting it to a box.

What does the Box Function Do?

The box function is primarily used to cast na values to a box. In Pine Script, na is a special constant used to denote the absence of a value or an undefined state. When you’re dealing with financial data, you often encounter missing or undefined values. The box function helps manage these scenarios by converting the na values into a box, preventing potential errors or inconsistencies in your script.

Key Takeaways

The box function is a handy tool in Pine Script for handling na values in your data. Remember that: It helps to manage undefined or missing values by casting na to a box. Its syntax is simple and easy to implement. It can be used to prevent potential errors and maintain consistency in your script.


The box function in Pine Script is a powerful feature that allows you to handle na values efficiently. By understanding its functionality and how to implement it in your scripts, you can create more.

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