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A comment on Robinhood is limiting purchases of stocks: AMC, Blackberry, Nokia, and GameStop. Parent comment

Re:Robinhood is limiting purchases of stocks: AMC, Blackberr... by ROARosen on Thursday January 28, 2021 @01:42PM (#25946750)
The other commenter is right that shorts have unlimited risk, and put option are defined, but they can technically be short by selling calls which would make them expire-able.

But honestly I doubt it was even possible to be short so much with options alone on such a low cap company (as it was before this blew up)

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Re:Robinhood is limiting purchases of stocks: AMC, Blackberr... by whimsicalism on Thursday January 28, 2021 @02:03PM (#25947172)
Is it wrong to call selling calls short selling? Regardless, I think it was puts that they were buying (so sorta the contrapositive).
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