most likely an MM clearing their books. the 184k T trade was nearly the total day volume.
fwiw, the million-share bids last friday, but lacking yesterday, make me wonder if a hedge didn't short this down, then cover and go long with those million-share bids. if so, they made a killing in the short, and could make an even better killing in the long, if OPHI can sign some national distribution soon.
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