[Data: U.S. Investment Market Leverage Surges, Margin Debt-to-M2 Ratio Exceeds Levels During the 2000 Dot-Com Bubble] BlockBeats reports that on December 21, KobeissiLetter released data showing that U.S. trading margin debt surged by $30 billion in November, reaching a record $1.21 trillion, marking the seventh consecutive month of increase. Over the past seven months, U.S. margin debt has soared by $364 billion, a 43% increase. After adjusting for inflation, margin debt rose 2% month-over-month and 32% year-over-year, reaching an all-time high. Meanwhile, the ratio of margin debt to M2 money supply jumped to approximately 5.5%, the highest level since 2007. The margin debt-to-M2 ratio now exceeds levels seen during the 2000 dot-com bubble, indicating that leverage in the U.S. investment market has reached an alarming level. Margin debt refers to the total amount of debt investors borrow from brokers to purchase stocks or other securities during trading. This allows investors to amplify their investment scale with less personal capital, thereby increasing potential returns but also magnifying risks.