SPX 0DTE Options

The S&P 500 Index (SPX) is the premier institutional vehicle for zero-days-to-expiration options. Explore our coverage of SPX same-day expirations, gamma walls, intraday pricing catalysts, and breaking index news.

Featured Coverage

market recaps|9/29/2026

Massive 0DTE Call Wall Breached at SPX 5,500 Sparking Intraday Squeeze

A sudden burst of buying pressure shattered the 5,500 options wall, forcing dealers into a mechanical short-covering loop that accelerated the S&P 500 into the close.

Latest SPX 0DTE News

macro|9/29/2026

VIX Spikes Above 20 Ahead of Tomorrow's Core CPI Release

Market makers are aggressively widening 0DTE spreads as the 1-Day Volatility Index (VIX1D) surges into the heavily anticipated inflation print.

market recaps|9/29/2026

SPY 0DTE Options Volume Hits Record 3.2 Million Contracts Before Noon

Retail and institutional traders alike flooded the SPY options chain today, setting a new intraday volume record as the market chopped violently in a tight range.

macro|9/28/2026

Federal Reserve Announces Rate Decision

The Federal Reserve has published official communications regarding its interest rate policy, a key event for 0DTE options volatility and IV pricing.

Understanding SPX 0DTE Market Dynamics

The cash-settled S&P 500 Index (SPX) is the heavy-weight champion of the 0DTE ecosystem. Because SPX contracts are European-style and cash-settled, they eliminate assignment risk—a crucial feature that drives massive institutional and retail volume into same-day expirations.

Tracking SPX 0DTE news isn't just about reading headlines; it requires understanding the structural mechanics of the market. Intraday pricing is dominated by Gamma (the rate of change of the option's delta) and Implied Volatility (IV). When major economic data hits the tape, SPX options are the first to violently reprice.

Major SPX Coverage Areas

Our dedicated SPX coverage focuses on the catalysts that drive same-day options pricing:

Expiration Cycles: Daily analysis of SPX open interest, gamma walls, and pinning behavior heading into the 4:00 PM EST close.
Volatility & Pricing: Monitoring intraday shifts in the VIX and how dealer hedging affects the bid/ask spread of SPX premiums.
Macroeconomic Catalysts: Immediate coverage of how FOMC press conferences, CPI prints, and Non-Farm Payrolls trigger SPX 0DTE volume spikes.

Unlike equity options, trading SPX 0DTE means trading the broader market's reaction to systemic risk. We synthesize the news, the data, and the market mechanics to provide context on why the index is moving today.

Frequently Asked Questions

What are SPX 0DTE options?▼

SPX 0DTE options are zero-days-to-expiration contracts tied to the S&P 500 Index. They expire on the same day they are traded and are cash-settled at the end of the session.

What does 0DTE mean for SPX options?▼

0DTE means there is zero time value left on the contract. The premium pricing is highly sensitive to intraday price swings (Gamma) and implied volatility, making them popular for day trading.

When do SPX options expire?▼

SPX options have daily expirations (Monday through Friday), meaning there is a 0DTE contract available to trade every standard trading day.

How does volatility affect SPX 0DTE options?▼

Sudden volatility spikes can drastically inflate 0DTE premiums. Since there's no time left until expiration, the options act as pure directional or volatility plays during the session.

What events can affect SPX 0DTE options?▼

Scheduled economic releases like CPI, Jobs Reports, and FOMC rate decisions are massive catalysts that often cause immediate and violent repricing of SPX 0DTE options.

Explore 0DTE Coverage

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Financial Risk Disclaimer

The content provided on 0DTEOptionsNews.com is strictly for informational and educational purposes. We provide structural market analysis and track macroeconomic news; we do not provide individualized investment advice. Trading zero-days-to-expiration options involves extreme risk, massive intraday volatility, and may lead to a total loss of capital. Market data may be delayed. Always verify information independently.