After-Hours and Global Context. In reality, the final determination of an option's value relies on the closing auction mechanism.
Daily Options Schedule and After-Hours Trading Details
The official close occurs at 4:00 PM ET, but the process of determining the closing value extends slightly beyond this point to ensure fairness and accuracy in the settlement process. Weekly Options and the Friday Factor Traders who focus on weekly options must pay particularly close attention to the schedule, as these products adhere to a stricter timeline.
While the standard monthly options expire on the third Friday, the weekly options designed to align with this event require an earlier cutoff. Failing to adjust one's strategy for this early cutoff can result in unintended consequences or missed opportunities.
Daily Options Schedule and After-Hours Settlement Process
While the clock may strike four, the actual ability to act in the market does not necessarily end at that moment. This process is vital because options, particularly those that are at-the-money, require a precise mathematical calculation to determine if they are in the money.
More About What time does the options market close
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