The float is the number of shares actually available for trading. Float is calculated by subtracting closely held shares -- owned by insiders, employees, the company's Employee Stock Ownership Plan or other major long-term shareholders -- from the total shares outstanding.
The Economic Order Quantity (EOQ) is the number of units that a company should add to inventory with each order to minimize the total costs of inventory—such as holding costs, order costs, and shortage costs. ... The EOQ model finds the quantity that minimizes the sum of these costs.
