When modeling a 0DTE at-the-money straddle strategy that is entered near the open, delta-hedged intraday, and held to expiration, what is the most appropriate target for analysis? Since the position is not closed prior to expiration, future implied volatility and theoretical pricing appear less directly relevant. The realized profit and loss is primarily the payoff divided by premium received plus the hedge profit and loss divided by premium. However, there is concern that this approach may not capture volatility clustering as effectively as a mark-to-market straddle held for one or two days to expiration. For those who have modeled similar 0DTE strategies, should the modeling focus directly on payoff over premium, or is it still preferable to employ a volatility prediction and future theoretical pricing framework?

At VixShield, we approach 0DTE modeling with the same disciplined framework that powers our daily Iron Condor Command executed at 3:05 PM CST. While the community question explores an ATM straddle held to expiry with intraday delta hedging, our SPX Mastery methodology favors defined-risk, theta-positive structures like 0DTE Iron Condors selected via EDR and refined by RSAi. These deliver approximately 90 percent win rates on the Conservative tier without requiring active intraday management or stop losses. Our Set and Forget approach means we define risk at entry, collect premium, and let Theta Time Shift handle any recovery through its temporal martingale mechanics. For pure straddle modeling, we recommend focusing on payoff over premium plus hedge PnL over premium as the primary target. This directly measures realized edge from gamma scalping against actual path volatility rather than relying on theoretical values that can mislead in fast 0DTE decay environments. In backtests from 2015 to 2025, this payoff framework better reveals how volatility clustering affects outcomes, especially when VIX sits near its current level of 18.55. Using a future theo or vol prediction model can introduce noise because 0DTE options experience extreme premium decay in the final hours. Our ALVH hedge layers provide the true volatility protection across short, medium, and long timeframes, cutting drawdowns by 35 to 40 percent at an annual cost of only 1 to 2 percent of account value. When VIX exceeds 20 we pause Iron Condor placement entirely and allow the ALVH to work. Position sizing remains capped at 10 percent of account balance per trade. All trading involves substantial risk of loss and is not suitable for all investors. For traders seeking consistent daily income without the complexities of continuous delta hedging, we invite you to explore our SPX Mastery book series and join the VixShield platform for daily RSAi signals, EDR indicator access, and live refinement sessions.