Volatility calculator

ATR Stop Calculator

Convert ATR and multiplier into a long or short stop level. Use it to compare fixed risk against current volatility before placing a trade.

Why ATR-based stops help

ATR-based stops help traders size risk against recent volatility instead of against wishful thinking. When volatility expands, a stop that looked reasonable yesterday may be far too tight today. This calculator helps turn ATR and a multiplier into a practical stop reference so the trade can be evaluated in the context of current movement rather than a fixed number that ignores what the market is doing.

How to read the output

The stop level is only one part of the story. The more important question is whether the resulting distance still fits the setup, the account, and the contract size. If the ATR-based distance feels too wide, that may mean the market is too active for the size you want, not that the calculator is wrong. This is where volatility tools earn their keep: they make it harder to pretend a market is calmer than it is.

  • Use a multiplier that matches your holding period and chart type instead of copying someone else’s default.
  • Translate the stop into ticks and dollars before deciding the size is acceptable.
  • Revisit the stop when volatility shifts sharply instead of assuming the original ATR still reflects the market.

What this calculator does not solve

It does not tell you where a trade should be entered, whether the setup is valid, or whether the stop belongs on the chart structurally. It simply converts volatility assumptions into a more honest planning number. The chart still needs to provide the reason for the trade.

Keep planning from here

ATR becomes more useful when you size the trade, check the reward, and make sure the cost still leaves enough room for the setup to make sense.

Risk tool

Position Size Calculator

Turn account risk, stop distance, and tick value into a position size that makes sense.

Open tool

Risk tool

Risk/Reward Calculator

Compare entry, stop, and target prices without doing the reward math in your head.

Open tool

Costs tool

Commission and Slippage Calculator

Estimate the real all-in cost of a trade once commission, fees, contracts, and slippage all show up.

Open tool

Guide

ATR Trailing Stop vs Trend Ribbon

A practical look at when an ATR-based stop overlay is more useful than a moving-average trend ribbon, and when traders benefit from both.

Read guide

Guide

How To Backtest Indicators Without Lying To Yourself

A practical guide to testing indicators honestly so the chart does not look smarter in hindsight than it behaves in real decision-making.

Read guide

Paid priority

Need a calculator adaptation or automation?

Use the structured request flow when the free calculator gets close but the workflow needs a custom sheet, automation, or paid-priority build.

Open request form