Research ReportCRS Legal SidebarVersion 4
LSB10092
UPDATED: The Latest on the SEC’s Consideration of the Proposed Acquisition of Chicago Stock Exchange
Published Mar 7, 2018Updated Jun 20, 2025
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The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.