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FINRA Rule 5220

A broker-dealer cannot quote a price to buy or sell a security unless that price is genuine and made in good faith. When the broker-dealer offers that price, it must be willing and able to complete the transaction at that price and under the terms stated at the time the offer is made.

Rule Overview

Jurisdiction: United States

Regulator: FINRA

Topic: Market Abuse

FINRA Rule 5220
Overview
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Further Reading

Additional requirements:

  • Firms can change their quoted price at any time, but they cannot avoid a trade that was already accepted while the original quote was still in effect.
  • Firms generally must buy or sell at least a normal trading unit at their quoted price, unless the quote clearly states a smaller size or other limitation.
  • After completing a transaction, a firm may revise its quoted size and is not required to trade beyond the revised amount.
  • Firms must clearly indicate whether a quote is firm or subject to limitations.
  • Firms may not “back away” from a quote by refusing to trade or materially changing its terms when another party seeks to execute against it.
  • Firms must be adequately staffed to respond to quote inquiries and trading requests during normal business hours.
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