0DTE Options Trading: Managing Assignment and Pin Risk

Trading zero days to expiration (0DTE) options offers fast-paced opportunities, but it also exposes you to hidden expiration-day hazards. Understanding exactly what happens when credit spreads expire partially in the money is critical to protecting your trading account from unexpected liabilities. This text-based course guides you through the mechanics of 0DTE options expiration, assignment risk, and the strategic advantages of cash-settled index options. You will transition from worrying about market close uncertainty to confidently managing your positions up to the final bell. What you'll learn: Understand the fundamental mechanics of zero-day (0DTE) options and how expiration day pricing affects your positions; Identify the dangers of partial in-the-money (ITM) assignment on credit spreads; Analyze pin risk and how unexpected after-hours price movements can create massive liabilities; Compare physically-settled ETF options with cash-settled index options to choose the right instrument for your strategy; Apply risk mitigation techniques, including early closing rules and managing broker auto-liquidation thresholds. We begin with foundational definitions of options expiration mechanics before dissecting real-world partial assignment scenarios. You will then study the structural differences between ETF and index options, learning how to structure trades that eliminate pin risk entirely. This course is designed for beginner and intermediate options traders looking to safely navigate short-term trading strategies. No advanced trading experience is required, though a basic familiarity with calls and puts is helpful. Start reading today to master the mechanics of 0DTE risk management and trade with confidence.