I would think so...I've never tried but I can't imagine the margin requirements even if you could find a broker willing to lend out on a spec bio penny stock. But the PUT action, none-the-less, is very active. April PUT/CALL ratio was 4:1 Call buying earlier- and 2:1 on Open Interest. Relentless end of day (yesterday) small lot sells going into close. Be interesting if they can drive it below 2.50 by EOD today to try and cash in on those PUTs. If they can, I will double my position for the April 15ish catalyst.
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