The Most Elaborate Perpetual Pump'n'Dump In Need of Shorting

u/Sensitive-Radish-292 · Reddit — r/wallstreetbets · January 02, 2026 at 15:21 · ⬆ 152 pts · 💬 168 comments  | View on Reddit ↗
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Author presents a detailed bearish short thesis on SELLAS Life Sciences (SLS), arguing overvaluation, misleading catalysts, unsustainable cash burn and CEO dilution will drive shares lower.

Unpriced research observations (excluded from Calls and Returns):

SLS — SHORT The author argues SLS is a pump-and-dump with a ~$600M market cap that is overvalued relative to a narrow WT-1/AML patient population and modest peak-sales potential. The CEO repeatedly issues ambiguous news and then raises dilutive financing, and the REGAL study delay is statistically ambiguous rather than confirmation of efficacy. Cash burn is unsustainable and further dilution is likely, so the valuation should fall once revenue projections are scrutinized. The author expresses the bearish view by buying puts but notes he is not a biochemist and may be wrong. ambiguous_option_contract

I'm gonna go with the likelihood of bad news as probable... This doesn't mean that the drug won't work, I just am certain that they will have to raise cash no matter what and the valuation once actual funds take a look at the revenue projections won't be as high as the current valuation.

The fact that the Trump Admin is pushing for cheaper drugs, is also pretty negative for any biotech trying to get their life-saving medication out there... This isn't the "age of biotech" (un)fortunately.

Hence I'm buying puts.

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