How the SPX 0DTE Backtester Works
Systematic analysis of 0DTE multi-leg strategies across every entry time and market condition
Strategy Variations Tested
1,540 unique configurations across 7 strategy types with multiple strike widths and 22 entry times
7 Strategy Types
Testing Parameters
Every 15 minutes from 9:35 AM to 2:50 PM (22 entry windows)
Our Analysis Process
Backtesting Methodology
Realistic execution modeling with conservative assumptions
Black-Scholes Greeks
Industry-standard option pricing with calculated delta, gamma, theta, vega for strike selection
Bid/Ask Execution
Conservative fills: buy at ask, sell at bid. No unrealistic mid-price fills
Intraday Tracking
P&L snapshots every few minutes throughout each trade's lifecycle
GEX Visualization
Intraday gamma exposure playback with time-slider, plus Vanna and Charm Greeks charts
What You Can Discover
Optimal Entry Times
Find which 15-minute windows historically produce the best risk-adjusted returns for each strategy type
GEX Visualization
Watch intraday gamma exposure evolve with time-slider playback, plus Vanna and Charm second-order Greeks charts
Strategy Comparison
Compare iron condors vs butterflies vs spreads at each width and delta combination
Ready to Explore?
Dive into the full backtester with interactive heatmaps, filterable results, and intraday P&L charts.
Risk Disclosure: Historical backtesting results from sample data. Past performance does not guarantee future results. Options trading involves substantial risk. Educational purposes only - not financial advice.