The Blackstone Group Inc. has weakened considerably within the SIA S&P 500 Index Report, currently ranking 499 out of 505 after falling 48 positions over the past month and 124 over the past quarter. The stock has declined 15.80% over the past month and 28.25% over the past quarter, significantly underperforming the S&P 500 Index, which fell 1.86% over the past month but gained 4.73% over the quarter. Since entering the Neutral zone with a Red SMAX Score on October 6, 2025 at $166.89, Blackstone has declined 34.1%, recently closing at $109.96. The stock now carries an SIA SMAX Score of 0 out of 10, with the Financial Services sector currently ranked in the unfavoured zone within the SIA Sector Report.