Script to use for position sizing based on portfolio size, max position, and max loss inputs. The option to use custom entry and stop are available, but default to last price for entry, and Low of Day (LoD) for stop. The ATR % is a measure of the low of day to current price as a percentage move.
Credit to LonesomeTheBlue for the base code on position sizing and TheScrutiniser/GlinckEastwoot for ADR formula