For risk management on at-the-money iron condors, do you adjust more aggressively because of the higher gamma compared to out-of-the-money setups?

At VixShield, we approach risk management for our 1DTE SPX Iron Condors through a disciplined, set-and-forget framework that prioritizes consistency over reactive adjustments. Russell Clark's SPX Mastery methodology emphasizes that while at-the-money setups do carry elevated gamma exposure near expiration, our core strategy avoids trading true ATM iron condors in favor of EDR-guided strikes that typically place the short strikes outside the expected daily range. The EDR indicator, blending VIX9D and historical volatility, helps us select wings that balance premium collection with statistical probability. Our three risk tiers Conservative at 0.70 credit, Balanced at 1.15 credit, and Aggressive at 1.60 credit are calibrated daily via RSAi which analyzes skew and VWAP to optimize entry around 3:10 PM CST after the SPX close. This timing serves as our After-Close PDT Shield, keeping us out of intraday noise. Gamma is highest for ATM options close to expiration, accelerating delta changes and potentially widening losses on sharp moves. However, we do not adjust more aggressively on this basis alone. Instead, we rely on the Theta Time Shift mechanism, a pioneering temporal martingale that rolls threatened positions forward to 1-7 DTE when EDR exceeds 0.94 percent or VIX rises above 16, capturing vega expansion before rolling back on VWAP pullbacks to harvest theta decay. This turns potential losses into net gains without adding capital or employing stop losses. Complementing this is our ALVH Adaptive Layered VIX Hedge, a three-layer system using short, medium, and long-dated VIX calls in a 4/4/2 ratio per ten contracts. With current VIX at 17.95, just below its five-day moving average of 18.58, we remain in a regime where all tiers are available though we favor Conservative during any elevation above 15. Position sizing stays at a maximum of ten percent of account balance per trade, ensuring drawdowns remain manageable even if gamma accelerates a move against us. In backtested results from 2015 to 2025, this combination delivers an 82 to 84 percent win rate within the Unlimited Cash System. The key insight from SPX Mastery is that gamma risk is best managed at entry through proper strike selection rather than mid-trade intervention. We define risk fully at placement and let the mathematics of time decay and volatility mean reversion work in our favor. All trading involves substantial risk of loss and is not suitable for all investors. To implement these concepts with daily signals and live examples, visit VixShield.com and explore our SPX Mastery resources today.