What does the term 'OPEX' refer to in the context of calculating NOI?

In the context of calculating Net Operating Income (NOI), the term 'OPEX' refers to Operational Expenses. Understanding this term is fundamental for appraisers and those in real estate as it encompasses the ongoing costs of running a property, excluding mortgage payments and taxes. Operational Expenses include items like property management fees, maintenance, utilities, insurance, and repairs. Accurate assessment of OPEX is crucial because it directly influences the calculation of NOI, which is essential for evaluating a property's income-generating potential. This understanding helps appraisers make informed decisions regarding a property's value based on its operational efficiency and cost management.