Notes · Aug 12, 2026

SPY 0DTE Options React To Earnings And Inflation

Educational only. Not investment advice. Not a trade recommendation.

When Earnings-Driven Rallies Meet Inflation Data: A 0DTE Trader's Perspective

As strong AI earnings reports lift the S&P 500 and Nasdaq, and inflation data calms rate-hike jitters, traders must consider how these developments impact the 0DTE options structure. The key to navigating this environment lies in understanding how dealer gamma, expected move, and volatility regime interact with session behavior. If the SPY is pinned just under a call wall, for instance, the trader's focus should be on the gamma flip level and its potential to act as a pivot point.

A recent CPI print and a Fed decision have likely influenced the current volatility regime, which in turn affects the expected move. The Confluence Flow Index (CFI) can provide valuable insights into real-time dealer hedging flow, helping traders gauge the market's sentiment. For a deeper understanding of how the CFI works and its implications for 0DTE trading, visit the options market structure explainer.

Dealer Gamma and Expected Move: A Delicate Balance

When earnings reports drive a rally, dealers must adjust their gamma exposure to maintain a balanced book. This can lead to a shift in the expected move, as dealers hedge their positions by buying or selling options. If the SPY is trading near a gamma flip level, the expected move may be influenced by the dealers' desire to minimize their gamma exposure. In such cases, the trader's focus should be on the interplay between dealer gamma, expected move, and the underlying's price action.

Volatility Regime and Session Behavior: Key Considerations

The volatility regime, which is influenced by the inflation data and earnings reports, plays a significant role in shaping the 0DTE options structure. A decrease in volatility can lead to a decrease in the expected move, making it more challenging for traders to navigate the market. Session behavior, including the opening range and the underlying's price action, can also impact the expected move and dealer gamma exposure.

Volatility Regime Expected Move Session Behavior
Low volatility Decreased expected move Increased focus on gamma flip level and dealer hedging activity
High volatility Increased expected move Increased focus on underlying's price action and opening range

Practical Takeaways for 0DTE Traders

When trading 0DTE options in an environment influenced by earnings reports and inflation data, it is essential to consider the interplay between dealer gamma, expected move, and volatility regime. By focusing on the gamma flip level, expected move, and session behavior, traders can better navigate the market and make informed decisions. As the market continues to evolve, traders must remain adaptable and focused on the key factors that drive the 0DTE options structure.

By staying up-to-date with the latest market developments and continuing to educate themselves on the intricacies of 0DTE options trading, traders can refine their skills and improve their chances of success in this complex and ever-changing market, and consider exploring the Decision Desk for more insights and analysis.

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Educational content only. Options involve substantial risk.