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Chopper Trading LLC v. Allston Trading, LLC
Case Number:
1:19-cv-01674
Court:
Nature of Suit:
Judge:
Firms
Companies
Sectors & Industries:
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December 04, 2025
Ex-Trader's Suit Accusing Rival Of Spoofing Tossed For Good
An Illinois federal judge Thursday dismissed with prejudice a lawsuit accusing a trading firm of spoofing U.S. Treasury markets by placing orders for Treasury instruments it never intended to fill, finding the claims barred because they've already been deemed untimely in a Chicago Mercantile Exchange arbitration.
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June 17, 2019
Trader Says Ex-Competitor's Spoofing Suit Brought Too Late
Chicago-based Allston Trading LLC urged an Illinois federal judge on Friday to toss a former competitor's suit accusing it of spoofing U.S. Treasury markets by placing orders for Treasury instruments it never intended to fill, arguing now-defunct Chopper Trading LLC waited too long to bring the claims.
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May 13, 2019
Trader Asks To Arbitrate Treasury Market Spoofing Claims
Chicago-based Allston Trading LLC asked an Illinois federal judge Friday to force a former competitor to arbitrate claims that the market maker spoofed U.S. Treasury markets by placing large orders for treasury instruments it never intended to fill.
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March 11, 2019
Defunct Trader Claims Competitor Spoofed Treasury Markets
A market maker that's no longer in operation sued a former competitor in Illinois federal court over the weekend for allegedly manipulating the U.S. Treasury markets through the practice of spoofing, saying the deceptive trading strategy cost it millions of dollars in losses.