This indicator does the calculation for you and draw two tiny lines without messing up the chart so that you can easily see your stoploss levels and get an idea about the volatility and risk amount as well.
One line is below the last candle as a long trade stop loss level and the other one is above the last candle as a short trade stop loss level.
Calculation is simple:
For short trades, 2 times ATR added to last price;
For long trades, 2 times ATR subtracted from last price.
You can change ATR length, ATR multiplier and the line length.
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 a publication is governed by House Rules. You can favorite it to use it on a chart.