OPEN-SOURCE SCRIPT

Position Sizing Calculator (Real-Time)

█ SUMMARY

The following indicator is a Position Sizing Calculator based on Average True Range (ATR), originally developed by market technician J. Welles Wilder Jr., intended for real-time trading.

This script utilizes the user's account size, acceptable risk percentage, and a stop-loss distance based on ATR to dynamically calculate the appropriate position size for each trade in real time.

█ BACKGROUND

Developed for use on the 5-minute timeframe, this script provides traders with continuously updated, dynamic position sizes. It enables traders to instantly determine the exact number of shares and dollar amount to use for entering a trade within their acceptable risk tolerance whenever a trade opportunity arises.

This real-time position sizing tool helps traders make well-informed decisions when planning trade entries and calculating maximum stop-loss levels, ultimately enhancing risk management.

█ USER INPUTS

Trading Account Size: Total dollar value of the user's trading account.

Acceptable Risk (%): Maximum percentage of the trading account that the user is willing to risk per trade.

ATR Multiplier for Stop-Loss: Multiplier used to determine the distance of the stop-loss from the current price, based on the ATR value.

ATR Length: The length of the lookback period used to calculate the ATR value.
ATRAverage True Range (ATR)Portfolio managementpositionsizepositionsizecalculatorpositionsizingpositionsizingtoolwelleswilderwilder

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 publication is governed by House rules. You can favorite it to use it on a chart.

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