This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The core formula for long margin accounts: Long Market Value (LMV) - Debit Register (DR) = Equity (EQ). - Regulation T requires an initial margin deposit of 50% of the purchase value for new margin positions. - How market value appreciation creates excess equity, which generates a Special Memorandum Account (SMA), a line of credit for the investor. - The difference between a restricted account (equity below 50%) and a maintenance margin call (equity below FINRA's 25% minimum). - How to calculate the market value at which a maintenance call will be triggered by dividing the debit balance by 0.75. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep