Response fields
objectEstimated cash change and fees for an option order before it is placed.
estimated_cash_changestringEstimated cash change for the order, before fees.
cash_change_directionstring or nullDirection of the cash change. CREDIT means cash is received, DEBIT means cash is paid out, EVEN means no cash changes hands. UNKNOWN if the direction cannot be determined from the request.
estimated_fee_totalstringEstimated total transaction fees and commissions for the order.