( October 20, 2026, 1:59 PM EDT) -- WASHINGTON, D.C. — Two Chicago-based trading entities and two of their executives filed a petition for a writ of certiorari to the U.S. Supreme Court arguing that the Seventh Circuit U.S. Court of Appeals deepened two circuit splits pertaining to arbitrability and urging it to review a ruling barring them as nonsignatories from enforcing an arbitration agreement related to a cryptocurrency dispute in Singapore....