Notes · Aug 12, 2026

Inflation Was 3.4% in July, Down Slightly From the Previous Month

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

Inflation Eases, But What Does It Mean for 0DTE Options Structure?

With inflation coming in at 3.4%, a slight decrease from the previous month, traders are left wondering how this will impact the 0DTE options market. A key area of focus is the expected move, which is influenced by the market's perception of volatility. If SPY is trading near a call wall above spot, a decrease in inflation could lead to a decrease in expected move, as the market becomes less volatile.

This decrease in expected move can have a ripple effect on dealer gamma, potentially leading to a decrease in gamma exposure. As dealers adjust their hedges, they may become less sensitive to price movements, which can impact the overall market structure. For more information on how dealer gamma works, see the dealer gamma explainer page.

Vol Regime and Session Behavior

A decrease in inflation can also impact the vol regime, potentially leading to a decrease in volatility. If SPY is trading in a low-vol regime, the market may become less reactive to news events, which can impact session behavior. Traders may see a decrease in intraday swings, as the market becomes more range-bound. This can be beneficial for traders looking to trade 0DTE options, as it can provide a more stable environment.

However, it's essential to keep in mind that a decrease in inflation is not always a guarantee of decreased volatility. Other market factors, such as a Fed decision or a major economic event, can still impact the market and lead to increased volatility.

Dealer Positioning and Gamma Rails

Dealer positioning is also a critical factor to consider when analyzing the impact of inflation on 0DTE options structure. If dealers are positioned with a high level of gamma exposure, they may be more likely to hedge their positions, which can impact the market. This can lead to the formation of gamma rails, which can provide support or resistance for the market.

The following table illustrates how dealer positioning can impact gamma rails:

Dealer Positioning Gamma Exposure Gamma Rails
High gamma exposure High More likely to form
Low gamma exposure Low Less likely to form

Confluence-Graded Setups

When analyzing 0DTE options structure, it's essential to consider confluence-graded setups. These setups take into account multiple factors, such as dealer positioning, gamma exposure, and vol regime, to provide a more comprehensive view of the market. If SPY is trading near a call wall above spot, and dealers are positioned with high gamma exposure, a confluence-graded setup may indicate a high probability of the market moving towards the call wall.

Some key factors to consider when evaluating confluence-graded setups include:

Takeaways and Next Steps

In conclusion, a decrease in inflation can have a significant impact on 0DTE options structure. Traders should be aware of the potential decrease in expected move and vol regime, as well as the impact on dealer positioning and gamma rails. By considering these factors and evaluating confluence-graded setups, traders can gain a better understanding of the market and make more informed decisions. To stay up-to-date on the latest market developments and analysis, visit the 0DTE Confluence Decision Desk for real-time insights and updates.

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Educational content only. Options involve substantial risk.