You can define your max risk amount and your max allowed sizing. The indicator would suggest the best sizing in order to risk only up to the amount you are comfortable with on a potential trade.
Moreover, the column bar would turn yellow/red if the divergence is above a certain threshold (default are yellow > 1.50% and red > 2.75%, green otherwise).
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.