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I use Sierrachart to pull the data from Poloniex and extract the data to a spreadsheet. I could run this study for a specific market if you like, or if theres another stat you want i can try help?

At the moment i don't have something in mind. If something occurs I will come back :) thank you very much and i already bookmarked sierrachart to search it in the future.
So those data are only from Poloniex? maybe if you collected data from all markets we would have a better representation of the overall trends.

Anytime mate. Yes a solid data source with larger sample size is something im keen to find, extracting this data from Poloniex is progress on this quest, and hopefully there are solutions.