A quick look at ESPH lends volume shennanigans are ongoing. Without looking at a Q or K I'd estimate convertible or pipe volume is being sold in-between the bid/ask per comparisons of adi and obv. Either one is negative for investors.
I am in a similar stock too - IMDS. The things these companies do to survive will drive ya nuts.
If you have a level 2 feed I'll tell you what to look for to confirm the scenario I post here.
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