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The Marked Chart Wire · Trading desk

MicroStrategy

MicroStrategy buys 267 bitcoin and repurchases $193 million of stock

MicroStrategy bought 267 bitcoin between October 12 and 18, 2026, and repurchased $193 million of its shares. The company's cash reserves fell to $5.28 billion during the same week.

MSTR+0.1%

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S&P 500

Large put order placed on S&P 500 weeklys

A single put order worth about 8.5 million dollars was placed on S&P 500 weeklys expiring December 11. The strike price is 7200.

TSMC Options

Unusual put activity noted in TSMC options

Traders executed approximately 10,000 put contracts on TSMC stock with a strike price of 410 and an expiration date of January 15, 2027. The average fill price for these options was about 21.31 dollars.

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Fast headlines, summarized. Not verified and not advice. Check the full story before you act.