Strategy Stock MSTR Surges 16.39% Amid Bitcoin Rally and Regulatory Developments

TL;DR:

• Strategy stock (MSTR) closed at $153.92 during the September 18, 2026 session, with a daily increase of 16.39%.
• The US House Financial Services Committee approved bill H.R. 8957 with a 28 to 21 vote on September 16, 2026.
• Strategy’s corporate treasury maintains a confirmed total holding of 840,050 BTC on its corporate balance sheet.

The price of MSTR, Strategy’s flagship stock, rebounded sharply this September 18, posting a traded value of $153.92 (+16.39%) after reacting to new regulatory catalysts in the United States.

The bullish move marked a recovery from its intraday low near $137 seen early in the day. According to data from Yahoo Finance, the company’s market capitalization surpassed $59.5 billion during the session.

This resurgence in institutional demand coincided with substantial developments in the US Congress. Last Wednesday, September 16, the House Financial Services Committee endorsed the progress of the American Reserve Modernization Act (H.R. 8957) through a favorable vote of 28 to 21.

The legislative text directs the US Department of the Treasury to formally establish a Strategic Bitcoin Reserve. The terms of the bill stipulate that funds qualifying to join the reserve must remain held under federal custody for a mandatory period of no less than 20 years. Lawmakers also introduced technical amendments regarding regular proof-of-reserve reporting and instruments acquired through network hard forks.