Partial Fill Calculator: Average Price, Fees, and Remaining Shares
A partial fill leaves two separate questions: what has already traded, and what can still trade. Add the confirmed execution quantities, calculate their quantity-weighted price, and count each incurred fee once. Then subtract filled shares from the original order quantity. That subtraction gives the unfilled amount, not proof that the remainder is still working or has been canceled. Before changing or replacing an order, match the execution log to the current ticket and verify its remaining status with your broker. The calculator below reconciles one order in one currency; it does not predict another fill or choose your next trade. Filled quantity and working quantity answer different questions. Reconcile the executions before touching the remainder Enter executed shares and execution prices, not displayed quotes, your limit price, or an expected future fill. A single market order can execute in pieces at different prices, as Investor.gov explains in its updated order-types bullet...
