The Hidden Cost of Holding a Losing Position Opportunity-Cost Comparison Tool Reviewed 2026-07-31 Formula: Opportunity cost = capital trapped x alternative annual return x holding period / 12. Checklist: - Separate sunk loss from current decision quality. - Estimate the recovery target and likely holding period. - Compare with a hypothetical alternative return entered by you. - Account for additional downside and concentration risk. Educational use only. Options involve risk and results depend on your assumptions.