The indicator generates position sizing based on ATR value, the idea is to minimize position size during a period of high volatility. If you have a high-risk tolerance you can change the trading style to "High Volatility Entry".
リリースノート
Update: the indicator compares the volatility level of 20 periods highest-lowest ATR and 20 periods BB Width. Low risk suggests the smaller position size, medium suggests ATR and high risk suggests the bigger position size.