How did Enron use mark-to-market accounting to report higher profits?

Enron utilized mark-to-market accounting to report inflated profits by recording projected future gains from long-term trading contracts as current income. By recognizing these unrealized earnings immediately on their financial statements, the company created the illusion of higher profitability during periods when actual performance was declining.1

This practice was part of a broader pattern of deceptive financial reporting used to mask the company's shrinking profits as competition increased. In addition to mark-to-market accounting, Enron transferred troubled assets to special purpose entities to keep losses off its primary books, further obscuring the firm's true financial health from investors and regulators. These actions ultimately contributed to one of the largest bankruptcy filings in United States history and led to significant reforms in accounting standards, most notably through the Sarbanes-Oxley Act.1