“Roaring Kitty” Unleashes Fierce Momentum in GameStop Shares As Call Gamma Goes Berserk On Out-Of-The-Money Call Buying

Rohail Saleem
GameStop

This is not investment advice. The author has no position in any of the stocks mentioned. Wccftech.com has a disclosure and ethics policy.

GameStop's implied volatility explosion based on a single tweet from a r/wallstreetbets veteran adheres to the purest form of a mania-like phenomenon that is unfolding before our eyes today.

For the benefit of those who might not be aware, Keith Gill, who goes by the moniker Roaring Kitty on Reddit's r/wallstreetbets thread, played a pivotal role in unleashing the meme stock mania of 2021 by predicting a massive short squeeze in GameStop's shares at the time. The OG meme stock veteran also pocketed a sizable windfall from that saga, to the tune of around $30 million.

Related Story GameStop CEO has a Plan to Earn his $35B Bonus: Acquire a Massive Publicly Traded Company in a “Genius, Or Totally Foolish” Move

Roaring Kitty's Intricate GameStop Moves

From the 30th of April onwards, someone has been accumulating out-of-the-money calls on GameStop, targeting strikes all the way to the $20 price level.

GameStop Put-Call Skew Sourced From Market Chameleon

This accumulation becomes very evident when one looks at GameStop's 25-delta put-call skew. As can be seen in the chart above, the implied volatility of 25-delta (out-of-the-money) calls has been surging of late, suggesting sustained buying pressure.

Fast forward to Sunday, when Roaring Kitty returned to X after a hiatus of almost three years, posting a picture that indicated he was getting ready for action.

This has translated into a full-blown melt up in GameStop shares today, with call gamma exploding ahead of the regular trading session.

At the time of writing, GameStop shares are up around 80 percent, with at least two volatility-based trading halts already under the belt.

As of the 30th of April, GameStop had a short interest of around 27 percent of its float. We convey our sympathies to the stock's short-seller's today.

News Corp. is currently the smallest company in the S&P 500 index, bearing a market capitalization of just around $14.65 billion. On the other hand, GameStop is currently sitting at a market cap of $9.64 billion. This means that a mere ~52 percent pump from the current levels will allow the meme stock to start eclipsing the market-based capitalization of S&P 500 members.

Update 1

GameStop's entire option chain for the most recent expiry has entered in-the-money territory!

And, just like that, Robinhood is apparently again placing restrictions on the trading of GameStop shares.

Update 2: GameStop Short-Sellers Are Now Sitting On Steep Paper Losses

According to S3 Partners, GameStop short-sellers were sitting on paper losses for the month of May of around $1 billion in early morning trading when the stock was up around 50 percent. As of 14:56 ET, the stock is up around 75 percent, which means even steeper losses for the short-sellers.

Rohail Saleem Photo

About the author: Writing is my one incontrovertible passion. Over the past six years, he has authored over 2,200 distinct articles on financial and tech-related topics, spanning nearly 1 million words. And he has been a member of Wcctech mobile team since 2025. As an alumnus of the University of Toronto, Rotman Commerce Program, I bring nuance, in-depth knowledge, and a unique perspective to every topic that I cover. When I'm not writing, I'm traveling the world, exploring hidden confectionaries and restaurants as an aspiring food connoisseur.

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