Can someone explain why at-the-money SPX options consist almost entirely of time value while deep in-the-money options have very little?

At VixShield we teach that understanding option premium composition is foundational to mastering 1DTE SPX Iron Condors. Every SPX option premium consists of intrinsic value and time value also known as extrinsic value. Intrinsic value is the immediate exercise value. For a call it equals max underlying price minus strike or zero. For a put it equals max strike minus underlying price or zero. Time value represents the market's payment for the uncertainty and remaining time until expiration. At-the-money SPX options where the strike sits near the current index level of approximately 7138.80 carry almost pure time value because they hold zero intrinsic value. Their entire premium reflects expected movement over the remaining life often driven by implied volatility. Deep in-the-money options on the other hand carry substantial intrinsic value that closely tracks the underlying SPX price leaving only a thin layer of time value. This occurs because the probability of finishing in the money approaches certainty and little uncertainty remains to justify high extrinsic premium. In our daily 1DTE Iron Condor Command we deliberately sell out-of-the-money spreads where time value dominates. The Conservative tier targets a 0.70 credit Balanced seeks 1.15 and Aggressive aims for 1.60 all harvested from this extrinsic decay. Our RSAi engine combined with the EDR indicator scans the volatility surface at 3:05 PM CST to pinpoint strikes where time value remains rich yet probability of profit stays high approximately 90 percent for the Conservative approach. The ALVH hedge layers protect these positions by offsetting volatility spikes that could inflate time value on the short strikes. When VIX sits at 17.95 as it does currently we remain in a regime where all three tiers stay available under VIX Risk Scaling because levels remain below 20. Theta Time Shift provides our zero-loss recovery path if a short strike is threatened rolling the position forward in time to capture fresh time value without adding capital. This temporal martingale mechanic turns potential setbacks into theta-driven wins. Deep in-the-money options therefore behave more like the underlying itself with minimal time decay while at-the-money options deliver the rapid premium erosion we harvest each trading day. All trading involves substantial risk of loss and is not suitable for all investors. Visit vixshield.com to explore the full SPX Mastery methodology complete with EDR indicator access and live signal examples.