Alpha Crunching Insights | Navigating the S&P500 with Precision

SPX End-of-Day Put Debit Spread Strategy: Rules, Backtest, and Automation

Discover how the EOD PDS (End of Day Put Debit Spread) strategy uses 0DTE SPX options to capture late-day market volatility with a favorable 3:1 risk-reward profile. In this article, we'll cover the complete trade rules, 4-year backtest results, automation options, and how this strategy complements our TSE credit spread strategy by adding a different source of positive expectancy to your portfolio.

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End-of-Day Iron Condor: A Simple Mechanical Strategy for SPX 0DTE

The End-of-Day Iron Condor is a mechanical SPX 0DTE options strategy that looks to profit from the typically quieter market activity during the final hours of the trading day. The strategy follows a simple set of rules, removes much of the emotion from trading, and has shown consistent results across multiple years of backtesting while maintaining a positive expectancy.

End-of-Day Iron Condor: A Simple Mechanical Strategy for SPX 0DTE

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End-of-Day Iron Condor: A Simple Mechanical Strategy for SPX 0DTE

Jul 22, 2026

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30-Minute Opening Range Breakout (ORB 30): A Mechanical 0DTE Call Debit Spread Strategy

30-Minute ORB is a mechanical SPX options strategy that uses a breakout of the opening range to capture upside momentum. Designed for consistency and automation, it complements our existing credit spread and debit spread strategies while helping diversify overall portfolio risk.

Jun 19, 2026

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SPX End-of-Day Put Debit Spread Strategy: Rules, Backtest, and Automation

Jul 23, 2026

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A Simple SPX 0DTE Credit Spread Strategy Using Time, Trend, and Strike Selection

Learn how this simple SPX 0DTE credit spread strategy uses time of day, trend, and strike selection to identify high-probability trades with minimal screen time. In this breakdown, we walk through the Trend Spread Engine framework, real-time alerts, strike selection near the expected move, and recent backtest performance results.

May 6, 2026

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The SPX 0DTE Strategy That Solves “What Do I Trade Today?”

In this conversation, Alpha Crunching founder Eric O’Rourke sat down with Matt from Option Omega to break down the Trend Spread Engine and how it’s being used to test and refine SPX strategies in real time.

May 5, 2026