MARA Stock Surges 13.6% After $500M Buyback Authorization
As seen on the 24/7 Wall St. homepage on November 10, 2026.
A $500 million buyback authorization filed with the SEC the prior evening is now backing a 13.56% intraday jump.
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Buyback announced
MARA $500M buyback authorized
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May 31, 2026 · SEC 10-K
Moves: Nov 10, 10:40 AM ET · Alpha Vantage quote
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MARA is up roughly 13.6% on the day, with the advance running nearly uninterrupted from the open through mid-session.
The catalyst disclosed the prior evening was a $500 million share repurchase authorization filed with the SEC. Buyback programs of that size signal that a company's board believes its shares are undervalued, and the market's reaction here suggests investors agree the authorization carries meaningful weight.
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Competitor Applied Digital also moved higher on the same session, gaining 4.73%, a considerably smaller advance. When names across the same competitive space move together at different magnitudes, it points to a stock-specific catalyst in the buyback.
The buyback filing was recorded on SEC EDGAR as of November 9, 2026, putting it in investors' hands before the November 10 opening bell. The market wasted little time pricing in the authorization.