Our YieldBoost Rank identified these particular CCIV options as interesting ones to study:. May 2021 $17.50 Strike PUT • 91.17% Annualized YieldBoost • 6.91% Out-of-the-money March 2021 $30.00 Strike CALL • 72.86% Annualized YieldBoost • 59.57% Out-of-the-money