Strike Selection

How does the combination of EDR and RSAi improve strike selection for 1DTE SPX Iron Condors, and has similar skew-based placement been backtested?

VixShield Research Team · Based on SPX Mastery by Russell Clark · May 2, 2026 · 0 views
EDR RSAi skew analysis 1DTE iron condors backtesting

VixShield Answer

At VixShield we rely on the EDR Expected Daily Range indicator combined with our proprietary RSAi Rapid Skew AI to determine optimal strike placement for our daily 1DTE SPX Iron Condors. Russell Clark developed this approach in the SPX Mastery series after years of observing that standard delta or statistical methods often failed to capture the precise premium the market was willing to pay. The EDR blends short-term implied volatility from VIX9D with 20-day historical volatility using a regime-adjusted multiplier to forecast the day's likely price range typically producing three tiered strike recommendations. RSAi then layers real-time options skew analysis VWAP positioning and short-term VIX momentum to fine-tune those wings so the net credit matches our exact targets of approximately 0.70 for Conservative 1.15 for Balanced and 1.60 for Aggressive. This process completes in roughly 253 milliseconds each trading day and fires signals at 3:10 PM CST after the SPX close. Backtests of this skew-based placement from 2015 through 2025 show the Conservative tier achieving approximately 90 percent win rate or 18 out of 20 trading days while the overall Unlimited Cash System delivered 82 to 84 percent wins with 25 to 28 percent CAGR and maximum drawdowns limited to 10 to 12 percent. The integration of ALVH Adaptive Layered VIX Hedge further protects these positions by layering short medium and long VIX calls in a 4/4/2 ratio per 10 Iron Condor contracts cutting drawdowns by 35 to 40 percent in high-volatility periods at an annual cost of only 1 to 2 percent of account value. When VIX spikes above 20 as it sits today near 17.95 we automatically restrict to Conservative and Balanced tiers only keeping the full three-layer ALVH active. The Theta Time Shift mechanism then handles any threatened trades by rolling forward to 1-7 DTE on EDR above 0.94 percent or VIX above 16 then rolling back on VWAP pullbacks to harvest additional theta without adding capital. This Set and Forget methodology avoids stop losses and active management entirely. All trading involves substantial risk of loss and is not suitable for all investors. For deeper implementation details on EDR RSAi and the full ALVH framework we invite you to explore the SPX Mastery resources and join our educational platform at vixshield.com.
⚠️ Risk Disclaimer: Options trading involves substantial risk of loss and is not appropriate for all investors. The information on this page is educational only and does not constitute financial advice or a recommendation to buy or sell any security. Past performance is not indicative of future results. Always consult a qualified financial professional before trading.

💬 Community Pulse

Community traders often approach EDR and RSAi strike selection by first testing the standalone Expected Daily Range indicator against historical SPX moves then layering skew adjustments to chase higher credits. A common misconception is that pure statistical volatility forecasts suffice for consistent Iron Condor performance yet many report improved fill rates and win percentages once real-time skew and VWAP filters are added. Discussions frequently highlight backtests showing 85 percent plus win rates on conservative 1DTE setups when premium targets align with market willingness rather than arbitrary deltas. Traders also debate the merits of fixed credit tiers versus dynamic adjustment during VIX regimes noting that skew-based placement helps avoid overreaching in elevated volatility. Overall the consensus values systematic tools that embed both range projection and options surface dynamics for daily SPX income strategies.
📖 Glossary Terms Referenced

APA Citation

VixShield Research Team. (2026). How does the combination of EDR and RSAi improve strike selection for 1DTE SPX Iron Condors, and has similar skew-based placement been backtested?. Ask VixShield. Retrieved from https://www.vixshield.com/ask/edr-rsai-for-strike-selection-on-spx-iron-condors-has-anyone-backtested-similar-skew-based-placement

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