Markets are quiet right now. Too quiet.
The Chicago Board Options Exchange's Volatility Index, a measure of implied volatility, is near its lowest levels of the year. It's been over a month since the S&P 500-stock index moved more than 1 percent in either direction. All the worries that people were really anxious about earlier this year—from rising corporate defaults to a Chinese hard landing and central banks running out of ammunition—have mostly been put on the back burner.