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Sunday, April 15, 2018

High Frequency Trading: All You Need To Know | Zero Hedge
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Regulation National Market System (or Reg NMS) is a US financial regulation promulgated and described by the United States Securities and Exchange Commission (SEC) as "a series of initiatives designed to modernize and strengthen the National Market System for equity securities." The Reg NMS is intended to assure that investors receive the best price executions for their orders by encouraging competition in the marketplace.


Video Regulation NMS



History

Established in 2005, its aim was to foster both "competition among individual markets and competition among individual orders" in order to promote efficient and fair price formation across securities markets.

In 1972, before the SEC began its pursuit of a national market system, the market for securities was quite fragmented. The same stock sometimes traded at different prices at different trading venues, and the NYSE ticker tape did not report transactions of NYSE-listed stocks that took place on regional exchanges or on other over-the-counter securities markets. This fragmentation made it difficult for traders to comparison shop. In 1975, Congress passed the Securities Acts Amendments of 1975, authorizing the SEC to facilitate a national market system.


Maps Regulation NMS



Consolidation of rules

In 2005, the rules promoting the national market system were consolidated into REG NMS. Some of the more notable rules include:

  • Access Rule - addresses access to market data such as quotations (Rule 610)
  • Order Protection (or Trade Through) Rule - provides intermarket price priority for quotations that are immediately and automatically accessible (Rule 611)
  • Sub-Penny Rule - establishes minimum pricing increments (Rule 612)
  • Market Data Rules:
    • a) Allocation amendment - institutes a new Market Data Revenue Allocation Formula,
    • b) Governance amendment - creates advisory committees,
    • c) Distribution and Display Rules - governing market data (Rule 600, 601 & 603).
High Frequency Trading: All You Need To Know | Zero Hedge
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Discussion

The order protection rule has been controversial because it requires traders to transact on a trading venue at the lowest price rather than on a venue offering the quickest execution or the most reliability, which can result in a worse overall price for institutional orders after execution. Additionally, the order protection rule has been blamed for exacerbating market fragmentation, resulting in rising technology and exchange costs for market makers. Thus, some have described it as an improper government intervention into private business affairs. Defenders of the rule argue that it really just requires what brokers should be doing if they are acting in their customer's best interests. Still others have argued that the rule is too lax because it only protects the quotes at the top of the book. For example, if the best two quotes in one market are superior to the best quote in another market, a portion of an incoming market order may still trade at the inferior market at the inferior price even though the second best quote on the superior market is still available. If more than just the top of the book (the best quote) were protected by the order rule, the market order would have transacted at a superior price and the limit order offering the superior price would have transacted more quickly.

Firms Affected

  • SROs/Exchanges
  • ECNs and other executing broker-dealers (e.g., market makers, block positioners)
  • Broker-dealers routing ISOs

The U.S. Markets and Consolidated Tape Colin Clark Senior Vice ...
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See also

  • MiFID (Analogue of Reg NMS in Europe)
  • National Market System
  • National market system plan
  • Alternative trading system

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References


Index of /wp-content/uploads/2016/08
src: www.securitieslawyer101.com


External links

  • SEC Regulation NMS (Final Rule)
  • 17 CFR 242.606 - Disclosure of order routing information
  • SEC FAQs re Reg NMS Rule 610 and 611 - April 4, 2008 Update
  • SEC FAQs re Reg NMS Rule 610 and 611
  • Reg NMS Marketing Fact Sheet, from Nasdaq
  • SEC Release Regarding the Proposed Rule
  • Reg NMS - Securities Lawyer's Deskbook by The University of Cincinnati College of Law

Source of the article : Wikipedia

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