Mark Sebastian

About the Author

Mark Sebastian is a seasoned options trader and financial educator with over two decades of experience in the high-stakes world of derivatives markets. Formerly a market maker on the floor of the CBOE, he has traded everything from individual equity options to complex index strategies, honing a practical approach that demystifies the complexities of hedging and speculation. As the founder of his own hedge fund, Sebastian brings real-world insights to his writing, empowering retail and professional traders alike to navigate volatility with confidence. His work emphasizes disciplined risk management and innovative frameworks for building sustainable trading businesses, drawing from his unique vantage point at the intersection of Wall Street and Main Street investing.