Rolling Covered Call Calculator


Close your current short call (Buy to Close) and open a new one (Sell to Open). This tool computes the net roll credit/debit, total roll income, and annualized APR. Provide your Cost Basis or Current Price to see the improved effective cost basis after the roll.

  • Net Roll Credit = STO(new) − BTC(old)
  • ROI uses Cost Basis (or Current Price if provided), otherwise the New Strike as a proxy
  • APR annualizes ROI over days until the new expiration

Tip: Positive net credit is shown in green; debits in red.

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Roll Calculator (Close Old → Open New)




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