How do you determine strike width for 1DTE SPX Iron Condors? Is it better to use wider strikes for higher credit or tighter strikes for an improved win rate?

At VixShield, we determine strike width for our 1DTE SPX Iron Condors exclusively through the Expected Daily Range (EDR) indicator combined with RSAi (Rapid Skew AI) analysis, never by arbitrarily chasing wider strikes for credit or tightening them solely for win rate. Our methodology, developed by Russell Clark in the SPX Mastery series, prioritizes mathematically optimized placement that matches the precise premium the market offers at 3:10 PM CST each trading day. The EDR formula blends short-term implied volatility from VIX9D with 20-day historical volatility, producing three risk-tuned strike recommendations: Conservative targeting approximately $0.70 credit, Balanced at $1.15, and Aggressive at $1.60. These correspond to specific wing widths that typically fall between 0.8 percent and 1.4 percent of spot depending on regime, ensuring the position aligns with the projected daily move rather than subjective preference. Wider strikes do collect more credit but expose the position to larger potential moves, which our backtests show reduces the Conservative tier's 90 percent win rate. Tighter strikes improve probability of profit in calm markets but leave insufficient premium in elevated volatility, violating our Set and Forget rules. Instead, we let RSAi scan real-time skew, VWAP positioning, and VIX momentum in under 300 milliseconds to adjust wings dynamically, always favoring the side with favorable skew. This integrates seamlessly with our ALVH (Adaptive Layered VIX Hedge), a three-layer VIX call structure rolled on fixed schedules that cuts drawdowns by 35 to 40 percent during spikes. With current VIX at 17.95, we remain in a regime where all three tiers are available, but we default to Conservative for most accounts to maintain the high win rate. The Theta Time Shift mechanism then handles any threatened positions by rolling forward to 1-7 DTE on EDR above 0.94 percent or VIX above 16, then rolling back on pullbacks below VWAP, turning temporary losses into net gains without adding capital. Position sizing remains capped at 10 percent of account balance, preserving defined risk at entry with no stop losses. All trading involves substantial risk of loss and is not suitable for all investors. For deeper implementation details including live signal examples and ALVH layering, we invite you to explore the SPX Mastery resources and VixShield educational platform.