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Options assignment planner
Estimate the simple share or gross strike-value obligation from short calls and short puts. The result is contract math only.
Interactive planning tool
Estimate the contract obligation
Use simple contract math to frame a conversation with your broker. This is not a margin, buying-power, or probability calculator.
The standard contract multiplier is commonly 100 shares, but terms can vary. Confirm contract specifications and account treatment with your broker.
Use the result carefully
Take the estimate to current broker and contract documentation. Review settlement, liquidity, taxes, and remaining option legs.
Primary reading: OIC exercise and assignment overview · SEC Investor Bulletin · FINRA assignment guide