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954 F.3d 529
2d Cir.
2020
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Background

  • Plaintiffs (Sonterra, CalSTRS, Hayman, Japan Macro) traded Yen‑denominated derivatives (FX forwards, interest‑rate swaps, swaptions) that they allege were priced using Yen LIBOR/Euroyen TIBOR.
  • Defendants (a group of global banks and brokers) are accused of conspiring to manipulate Yen LIBOR to benefit their own derivatives positions, causing counterparties to trade at "artificial" prices.
  • Complaint identifies specific trades and dates (e.g., Dec. 2, 2010; July 15, 2009; Mar. 3, 2010) in which Plaintiffs allegedly suffered monetary harm from manipulated rates.
  • District court dismissed under Fed. R. Civ. P. 12(b)(1) for lack of Article III standing, treating Defendants’ filing (a derivatives‑pricing primer) as incorporated by reference.
  • On de novo review of a facial standing challenge, the Second Circuit held Plaintiffs plausibly alleged concrete monetary injury and traceability sufficient to survive dismissal and reversed and remanded.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Article III standing — injury‑in‑fact Monetary losses from trading at "artificial" prices suffice as concrete injury Plaintiffs failed to plead a concrete, particularized monetary injury tied to manipulation Plaintiffs met pleading‑stage threshold; alleged monetary loss is sufficient
Traceability (causation) Specific trades and dates show manipulation caused the adverse prices Plaintiffs paid Market complexity and pricing inputs break the causal chain Allegations plausibly connect defendants’ conduct to Plaintiffs’ losses at pleading stage
Use of Yen LIBOR to price derivatives LIBOR routinely factors into pricing (cost‑of‑carry for FX forwards; floating leg for swaps/swaptions) Record attachments don’t definitively show LIBOR was used to price Plaintiffs’ trades At pleading stage, plaintiffs need not prove definitive use; plausibly alleged pricing role is enough
Pleading standard for market‑manipulation claims Low pleading threshold; draw reasonable inferences in plaintiffs’ favor Claims require more detailed proof and are fact‑intensive Court applies the low threshold for pleadings and denies dismissal on standing grounds

Key Cases Cited

  • Carter v. HealthPort Technologies, LLC, 822 F.3d 47 (2d Cir. 2016) (facial standing‑challenge standard and pleading‑stage burdens)
  • Langan v. Johnson & Johnson Consumer Cos., 897 F.3d 88 (2d Cir. 2018) (standing principles and party‑plaintiff status)
  • Spokeo, Inc. v. Robins, 136 S. Ct. 1540 (2016) (concrete and particularized injury requirement)
  • John v. Whole Foods Mkt. Grp., Inc., 858 F.3d 732 (2d Cir. 2017) (monetary overpayment allegation sufficient at pleading stage)
  • Lujan v. Defenders of Wildlife, 504 U.S. 555 (1992) (general standing framework and pleading standards)
  • Amidax Trading Grp. v. S.W.I.F.T. SCRL, 671 F.3d 140 (2d Cir. 2011) (pleading sufficiency for market‑related injuries)
  • Todd v. Exxon Corp., 275 F.3d 191 (2d Cir. 2001) (fact‑specific questions unsuitable for resolution on pleadings)
  • Gelboim v. Bank of Am. Corp., 823 F.3d 759 (2d Cir. 2016) (LIBOR‑manipulation context: pleading monetary harm from manipulated rates)
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Case Details

Case Name: Sonterra Capital Master Fund Ltd. v. UBS AG
Court Name: Court of Appeals for the Second Circuit
Date Published: Apr 1, 2020
Citations: 954 F.3d 529; 17-944-cv
Docket Number: 17-944-cv
Court Abbreviation: 2d Cir.
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    Sonterra Capital Master Fund Ltd. v. UBS AG, 954 F.3d 529