According to @GreeksLive, MicroStrategy was not included in the latest S&P 500 rebalancing announcement, which could affect institutional Bitcoin exposure tied to BTC-related proxies such as MSTR, source: @GreeksLive. The S&P changes take effect on September 19, 2025, and may create event-driven trading opportunities around Bitcoin-related assets and MSTR into the rebalance window, source: @GreeksLive. Community traders report wide spreads in call options that make premium selling strategies hard to execute effectively, highlighting execution challenges, source: @GreeksLive. Overall sentiment is mixed with limited trading activity, and put positions are under pressure following recent market moves, source: @GreeksLive.