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Interactive Brokers Group's stock surged 4.02% in pre-market trading on August 26, 2025, driven by the company's inclusion in the S&P 500 index.
Interactive Brokers Group Inc. (NASD: IBKR) is set to replace Walgreens Boots Alliance Inc. (NASD: WBA) in the S&P 500, marking a significant shift in the brokerage sector's representation within the index. This move is expected to enhance the company's visibility and attractiveness to institutional investors, potentially boosting its liquidity through passive fund mandates.
The inclusion in the S&P 500 requires a minimum market capitalization of $20.5 billion and adherence to certain profitability standards. This development comes as a result of Walgreens Boots Alliance being acquired by Sycamore Partners, leading to its removal from the index. The change is effective from August 28, 2025.
Interactive Brokers' stock has shown strong performance year-to-date, surging over 42%, significantly outpacing the broader market. This inclusion in the S&P 500 is anticipated to further drive the company's growth and market presence.

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