Position Sizing Calculator (Real-Time) - Futures Edition

█ 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 Micro E-mini Nasdaq-100 futures (MNQ), this script provides traders with continuously updated dynamic position sizes. It enables traders to instantly determine the exact number of contracts to use when entering a trade while staying within their acceptable risk tolerance.

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.

[ ] Show Target Risk Row: Toggle to hide/show the Target Risk Row

SL Levels Display: Option to see Both, Long Only, Short Only, or None of the Stop Loss Level Values.

Contract Point Value ($): Point value per contract. Tooltip highlights common values.

Tick Size: Minimum Price Movement (Default set to 0.25)

Minimum Contracts: Override the Minimum Contracts per trade to a user selected value.
(May Exceed User's Target Risk)