With the CBOE Volatility Index, the stock market's fear gauge, dipping to its lowest levels in over 10 years, Jim Cramer had to figure out why worries are so low and whether it is a red flag.

First, the "Mad Money" host noted that the index, known as the VIX, is not a perfect measure of overall fear in the market. It is based on put and call options on the , but excludes the various other ways to bet against the market that have emerged since it was created.