According to the source, MicroStrategy purchased 525 BTC for about $60 million on Monday (source: the source). That purchase equals roughly 1.17 days of new BTC issuance since the April 2024 halving to 3.125 BTC per block, or about 450 BTC per day (source: Bitcoin.org). For traders, the reported treasury buy size relative to daily issuance can inform short-term liquidity and order-book monitoring around BTC spot and perpetuals during U.S. hours (sources: the source; Bitcoin.org).

According to @rovercrc, Michael Saylor has purchased 525 BTC valued at $60.4 million on Sep 15, 2025. Source: @rovercrc on X, Sep 15, 2025. Based on the figures reported, the implied average acquisition price is approximately $115,050 per BTC, which can serve as a derived reference level for traders. Source: @rovercrc on X, Sep 15, 2025. The post does not include transaction hashes, wallet details, or clarification on whether the purchase is personal or linked to MicroStrategy, so this remains a single-source claim at the time of reporting. Source: @rovercrc on X, Sep 15, 2025. No market impact metrics (spot flows, funding, or open interest) were provided in the source post. Source: @rovercrc on X, Sep 15, 2025.