$NEIRO daily level chart, 0.618 here is also the first green marker, if it doesn't return to this level, then buy at the 0.786 position (second green marker). If you are afraid to buy at 0.786 and want to wait for a drop below 0.786, that means waiting to buy at zero. If it really goes to zero, would you dare to buy? Buy boldly at 0.786.