Strike Selection
How exactly does the EDR Expected Daily Range determine wing strikes on 1DTE SPX iron condors?
EDR wing strikes 1DTE iron condor strike selection SPX options
VixShield Answer
At VixShield, we rely on the EDR Expected Daily Range as the foundational tool for strike selection in our 1DTE SPX Iron Condor Command. Developed by Russell Clark in the SPX Mastery methodology, EDR blends short-term implied volatility from VIX9D with 20-day historical volatility, multiplied by a regime-adjusted factor between 0.8 and 2.0. This produces a projected daily price range for SPX that guides precise wing placement. For example, with SPX at 7138.80 and current VIX at 17.95, EDR might calculate a 1.16 percent expected move, roughly 83 points. We then position the short strikes inside this range and the long wings outside it to achieve our target credits. The Conservative tier targets a 0.70 credit with wider wings for approximately 90 percent win rate, the Balanced tier seeks 1.15 credit, and the Aggressive tier aims for 1.60 credit with tighter wings. RSAi, our Rapid Skew AI, refines these EDR-derived strikes in real time by analyzing options skew, VWAP positioning, and recent VIX momentum, adjusting in 5-point increments until the exact premium is captured within 253 milliseconds. This integration ensures we sell premium where the market is actually willing to pay. Once placed after the 3:10 PM CST signal, positions follow our Set and Forget approach with no stop losses, relying instead on the Theta Time Shift for zero-loss recovery if threatened. The ALVH Adaptive Layered VIX Hedge provides additional protection across three timeframes in a 4/4/2 ratio, cutting drawdowns by 35 to 40 percent during volatility spikes 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 to maintain portfolio stability. All trading involves substantial risk of loss and is not suitable for all investors. For deeper implementation details, including live signal examples and backtested results from 2015 to 2025, explore our SPX Mastery resources and consider joining the VixShield community for daily guidance.
⚠️ 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 strike selection by first calculating the raw expected move and then manually offsetting wings by a fixed percentage, such as 0.5 times EDR for short strikes. A common misconception is treating EDR as a simple historical volatility measure rather than its proprietary blend of VIX9D and regime-adjusted factors. Many express appreciation for how RSAi layers on top to fine-tune credits precisely, avoiding the disappointing premiums that purely statistical methods sometimes produce. Discussions frequently highlight the value of combining EDR with VIX Risk Scaling, noting that when VIX sits near 17.95 in contango, all three tiers become viable. Experienced members emphasize practicing the full workflow, from EDR scan to post-close execution, to internalize the rhythm of the 1DTE Iron Condor Command without discretionary overrides.
📖 Glossary Terms Referenced
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