October Term 2007 · Docket 06-1265

Does a futures broker have the right to sue an exchange for failing to enforce its own rules?

A futures broker claims an exchange breached its duty by ignoring its own rules. The exchange argues the law does not allow such a lawsuit.

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Klein & Co. Futures v. Board of Trade of City of New York
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Argued
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Official Transcript

Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    The broker's lawyer argued the law covers bad faith failure to enforce rules.

    The exchange's lawyer argued the statute limits suits to contract purchases and sales.

    Justice Kennedy posed a hypothetical about negligent enforcement of fraud rules.

    Justice Souter asked if the Court needed to decide a specific issue that morning.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

This case tests the scope of a federal law. The law lets certain parties sue exchanges for bad faith. The core question is what counts as a covered transaction. The parties disagree on the definition of that term.

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How the case got here

The Supreme Court heard oral argument in this case on October 29, 2007.

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What each side wants

The broker wants a ruling that allows it to sue the exchange for ignoring its rules.

The exchange wants a ruling that bars the broker from suing it under this specific law.

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What each side says

The broker argues the law covers the exchange's failure to enforce required rules.

The exchange argues the law only covers the purchase and sale of contracts, not rule enforcement.

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What the justices asked

Justice Ginsburg asked the broker to define the specific transactions relied upon.

Justice Roberts asked where the substantive limitation on the transaction comes from in the law.

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Why it matters

This case defines who can sue financial exchanges. It clarifies the scope of federal oversight. It affects the accountability of market regulators. It shapes the rights of brokers in disputes.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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