I found the same thing, that searches seem to think all you are asking is about high prices, and not volatility specifically.
This is a canadian article but seems to have a lot of good information.
https://businesscouncilab.com/work/w...main-that-way/
This snip looks like a reasonable explanation to this question:
“When inventories are low, small changes to their levels can have outsized price ramifications. As such, oil traders closely analyze the driving factors that will impact supply-and-demand dynamics. These driving factors are the ‘players’ on Team Supply and Team Demand that oil traders watch closely to predict the how the tug-of-war match will go.”
DeahHead and Kustoms may be on the right track about Biden releases of surplus directly causing the volatility.
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