The 130 60min MA overlay is co-labeled as the 20 daily MA. This is calculated as follows:
130(MA) * 60 min = 7,800 minutes total
60 min/hour * 6.5 hours = 390 minutes per trading day
(7,800 min) / (390 min/day) = 20 days
Perhaps this could be a useful indicator in short term time frame charts. In the calculation above, I assume that every single trading is 6.5 hours even though there are several half days on the calendar. Therefore, the numbers may not always be congruent. If one were to place a weekly moving average on a daily chart, for example, the assumption in the calculation becomes more problematic because there are even more trading weeks that have less than five days.
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