Why Your Short Delta Choice Isn't About Time Decay At All

A clean, data-heavy look at how SPX premium actually decays through the trading day, and it lands on a surprising result. Across short strikes from 16 to 30 delta, the credit decays at almost exactly the same rate once you normalize it. So picking your short delta doesn't change your decay speed at all, it only sets your probability and your payoff. The other find: matching your target strike gets harder after noon, so a 0DTE iron condor is more reliable in the morning. 📊 tastylive: https://www.tastylive.com/ 📰 Get Tom's pre-market analysis every morning: https://www.tastylive.com/newsletters 📘 FREE Options Strategy Guide: https://tinyurl.com/bp9ms763 📱 Follow tastylive on X: https://x.com/tastyliveshow Chapters 00:00 A preview of the intraday premium piece 00:40 Isolating the short legs first 01:20 Why strike-match rate matters 02:00 Match rate falls off after noon 02:45 How credits decay through the day 03:30 Normalizing to a percentage 04:00 Every delta decays at the same rate 04:40 So delta sets probability, not decay 05:20 Comparing to square root of time 06:00 Why at-the-money behaves differently 07:00 The takeaway for trade timing #tastylive #tastyresearch #spx #zerodte #ironcondor #thetadecay #optionsselling #tradetiming #optionstrading #stockmarket tastylive is a real financial network, producing hours of live programming every day. Follow along as our experts navigate the markets, provide actionable trading insights, and teach you how to trade. With over 120 original segments, and over 25 personalities, we'll help you take your trading to the next level, whether you are new to trading or a seasoned veteran. tastylive content is created, produced, and provided solely by tastylive, Inc. ("tastylive") and is for informational and educational purposes only. It is not, nor is it intended to be, trading or investment advice or a recommendation that any security, futures contract, digital asset, other product, transaction, or investment strategy is suitable for any person. Trading securities, futures products, and digital assets involve risk and may result in a loss greater than the original amount invested. Investment information provided may not be appropriate for all investors and is provided without respect to individual investor financial sophistication, financial situation, investing time horizon or risk tolerance. Options, futures, and futures options are not suitable for all investors. Prior to trading securities, options, futures, or futures options, please read all applicable risk disclosures, including, but not limited to, the Characteristics and Risks of Standardized Options Disclosure and the Futures and Exchange Traded Options Risk Disclosure Statement found at https://tastytrade.com/disclosures/. Past performance is not indicative of future results. Performance is not presented net of all commissions, fees, and expenses. Multi-leg option strategies incur higher transaction costs than single leg trades as they involve multiple commission charges. Examples provided are for illustrative, informational, and educational purposes only and are not intended to be reflective of results you can expect to achieve. Supporting documentation for any claims, including claims made on behalf of options programs), comparisons, statistics, or other technical data, if applicable, will be supplied upon request. tastylive, through its content, financial programming or otherwise, does not provide investment or financial advice or make investment recommendations. tastylive is not a licensed financial adviser, registered investment adviser, or a registered broker-dealer.