Professional discretionary traders should have immaterial drawdowns , if they are any good at trading they will make profits in all market conditions.A discretionary trader will bet on trends failing and profiting from failed trends and breakouts, as well as betting on trends materialising.
Only amateurs and learners using trading systems and set ups suffer drawdown periods.If set ups and systems fail or fail to materialise , traders will have drawdowns.
Great traders will figure out a trading style to make profits every day.