Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Last-in, first-out (LIFO) and first-in, first-out (FIFO) are two common inventory valuation methods used by companies in accounting. Inventory valuation is the process of assigning value to materials, ...

But there is another option called the Specific Identification (SI) accounting method. Assume you bought several lots of security A over the year while the stock increased in price. You might prefer ...

The FIFO and LIFO valuation methods are examples of accounting principles that measure the value of inventory. FIFO and LIFO value inventory very differently, so the same inventory can have different ...