Return on Collateral (ROC) & APY Math
ROC % = (Premium Collected / Cash Collateral Required) × 100.
Annualized APY % = (ROC % / DTE) × 365.
Calculate exact Return on Collateral (ROC %), Annualized Yield (APY %), downside breakeven cushion, and win probability for option sellers.
ROC % = (Premium Collected / Cash Collateral Required) × 100.
Annualized APY % = (ROC % / DTE) × 365.