I was playing around with different AggregationPeriod in thinkscript, and I saw an option that says, "OPT_EXP." According to this reference page, this is what it does:
Anyone have experience with this aggregation period?
Defines aggregation period equal to option expiration (2,678,400,000 milliseconds)...This example script draws the Close price plot with aggregation period equal to option expiration. Note that aggregation period used in this example cannot be less than chart aggregation period.
Anyone have experience with this aggregation period?