Strike Selection

How does the EDR at 1.16 percent actually help select better Iron Condor strikes on SPX when the VIX remains around 18?

VixShield Research Team · Based on SPX Mastery by Russell Clark · May 3, 2026 · 0 views
EDR Iron Condor strikes VIX 18 RSAi strike selection

VixShield Answer

At VixShield we rely on the Expected Daily Range or EDR as the cornerstone of our daily strike selection process for 1DTE SPX Iron Condors. When the VIX sits near 18 as it has recently at 17.95 the market feels deceptively calm yet the EDR reading of 1.16 percent provides the precise mathematical edge needed to place wings that match what the market is actually willing to pay. Russell Clark developed the EDR indicator on TradingView version 8 build 20 specifically to blend short-term implied volatility from VIX9D with 20-day historical volatility then apply a regime-adjusted multiplier. This yields a projected one-day move that is far more actionable than a generic VIX-derived expected move. For example at SPX 7138.80 an EDR of 1.16 percent translates to an approximate 83-point daily range. Our RSAi engine then starts with this figure scans the current skew and VWAP positioning and iterates strike placement in five-dollar increments until the exact credit target is reached Conservative at 0.70 Balanced at 1.15 or Aggressive at 1.60. This process completes in roughly 253 milliseconds and consistently delivers wings that sit outside the typical daily oscillation while capturing the premium traders expect. When VIX Risk Scaling keeps all three tiers available below 20 the EDR prevents us from placing strikes too tight which would invite pin risk or too wide which would leave credit on the table. The result is our documented Conservative tier win rate near 90 percent across approximately 18 out of 20 trading days. This precision also dovetails with our ALVH Adaptive Layered VIX Hedge which remains fully layered in a 4/4/2 ratio regardless of VIX level providing 35 to 40 percent drawdown reduction during any spike. Because we follow a Set and Forget methodology with no stop losses the EDR-chosen strikes combined with Theta Time Shift recovery allow positions to breathe through minor breaches and still expire profitably the vast majority of the time. All trading involves substantial risk of loss and is not suitable for all investors. To see the EDR indicator in action and receive daily 3:05 PM CST signals consider joining the SPX Mastery Club or exploring Russell Clark's book series 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 questions by first comparing it directly to a plain VIX expected move calculation and quickly realize the EDR's blended volatility inputs produce a tighter more reliable daily range projection especially when VIX lingers in the high teens. A common misconception is that any volatility reading near 18 automatically demands wider strikes yet experienced members emphasize how the 1.16 percent EDR reading at current SPX levels translates into specific point ranges that guide RSAi strike iteration far better than rule-of-thumb methods. Many note that without the EDR their Iron Condor wings frequently sat inside the actual daily move leading to repeated adjustments whereas the VixShield approach lets them set positions once and trust the Theta Time Shift mechanism. Discussions frequently highlight the value of backtested win rates when EDR gates align with VIX Risk Scaling rules reinforcing confidence in the Conservative tier for accounts prioritizing consistency over maximum credit. Overall the consensus centers on EDR as the practical translator that turns a static VIX print into executable strike levels that respect current market mechanics.
📖 Glossary Terms Referenced

APA Citation

VixShield Research Team. (2026). How does the EDR at 1.16 percent actually help select better Iron Condor strikes on SPX when the VIX remains around 18?. Ask VixShield. Retrieved from https://www.vixshield.com/ask/how-does-the-edr-at-116-actually-help-pick-better-ic-strikes-on-spx-when-vix-is-stuck-around-18

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