Seller toolkit · 03

Know how heavy assignment will feel.

Cash, shares, and account exposure before one more contract.

Assignment size calculator

See how many shares assignment creates and how much of your cash and account it would use.

Assignment inputs

Assignment footprint

Assigned shares
100
Cash required
$18,000
Account exposure
18%
Cash coverage
138.89%

This is a capacity check, not a recommendation to open or hold a position.

Browser-local by design

No brokerage connection, account upload, or live option chain. The tool frames your inputs; it does not recommend a trade.