Strike Selection

How does the EDR and RSAi combination work for selecting strikes on daily SPX Iron Condors? Has this approach been backtested?

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

VixShield Answer

At VixShield, we rely on the precise integration of EDR (Expected Daily Range) and RSAi (Rapid Skew AI) to select strikes for our 1DTE SPX Iron Condors. This daily process, executed at 3:10 PM CST after the SPX close, forms the foundation of our Set and Forget methodology. EDR, Russell Clark's proprietary indicator, forecasts the likely daily price range by blending short-term implied volatility from VIX9D with 20-day historical volatility, adjusted by a regime-based multiplier. It outputs three risk-tuned strike recommendations: High, Medium, and Low. These directly inform our Conservative ($0.70 credit), Balanced ($1.15 credit), and Aggressive ($1.60 credit) tiers. With a Conservative tier win rate of approximately 90 percent, or 18 out of 20 trading days, the system prioritizes consistency over aggressive gains. RSAi then refines these selections in real time by analyzing current options skew, the implied volatility surface, VWAP positioning, and short-term VIX momentum. Operating in roughly 253 milliseconds, RSAi dynamically adjusts the wings by $5 increments, first on the call or put side based on skew bias from the last four hours of VIX trending, until the exact target credit is achieved. This ensures we capture the premium the market is actually willing to pay rather than settling for statistically probable but underpaying wings. Backtests from 2015 to 2025 across thousands of trading days confirm the combo delivers an 82 to 84 percent overall win rate within the Unlimited Cash System, with a compound annual growth rate of 25 to 28 percent and maximum drawdowns limited to 10 to 12 percent. The Temporal Theta Martingale provides zero-loss recovery by rolling threatened positions forward to 1-7 DTE when EDR exceeds 0.94 percent or VIX surpasses 16, then rolling back on VWAP pullbacks below that threshold to harvest theta. Our ALVH (Adaptive Layered VIX Hedge) adds multi-timeframe protection with short, medium, and long VIX calls in a 4/4/2 ratio, cutting drawdowns by 35 to 40 percent at an annual cost of only 1 to 2 percent of account value. Position sizing remains at a maximum of 10 percent of account balance per trade, with auto-execution available via PickMyTrade for the Conservative tier only. All trading involves substantial risk of loss and is not suitable for all investors. For deeper implementation details, including live signal examples and the full SPX Mastery framework, explore our resources at vixshield.com. Join the SPX Mastery Club for hands-on guidance with EDR, RSAi, and the complete Unlimited Cash System.
⚠️ 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 strike selection by first examining EDR projections to establish a baseline daily range, then layering RSAi adjustments to fine-tune for actual market premium levels. Many emphasize the value of backtested results showing high win rates in the Conservative tier, particularly how the system avoids discretionary overrides in favor of Set and Forget execution. A common misconception is that wider strikes always equal safer trades, whereas experienced voices highlight that RSAi's skew-aware adjustments frequently produce tighter but higher-probability wings that better match real credit targets. Discussions frequently reference the importance of VIX Risk Scaling, noting how tiers adapt when VIX exceeds 15 or 20, and praise the Temporal Theta Martingale for turning occasional losers into theta-driven recoveries without added capital. Overall, participants view the EDR plus RSAi combination as a disciplined edge that aligns strike placement with both statistical range and real-time volatility dynamics, reinforcing the strategy's daily reliability in varied market regimes.
📖 Glossary Terms Referenced

APA Citation

VixShield Research Team. (2026). How does the EDR and RSAi combination work for selecting strikes on daily SPX Iron Condors? Has this approach been backtested?. Ask VixShield. Retrieved from https://www.vixshield.com/ask/how-does-the-edr-rsai-combo-actually-work-for-picking-strikes-on-your-daily-spx-iron-condors-anyone-backtested-this

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