Percentile of Put vs Call Skew Spread for S&P 500 Companies

The following table shows the percentile rank over the past year for the 90%-110% skew spread, a measure of how expensive puts, or bearish bets, are relative to calls. The data was calculated using 30-day implied volatility of S&P 500 companies. The stocks in the screen had a daily average of more than 500 contracts trading in the past 20 days and

SOURCE: Bloomberg