IOSCO Consults On Recommendations To Help Trading Venues Manage Extreme Volatility

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Wednesday, March 07, 2018   14:26 PM / IOSCO/MR/05/2018 

The Board of the International Organization of Securities Commissions (IOSCO) is seeking feedback on its proposed recommendations to assist trading venues and regulatory authorities in the implementation of mechanisms to manage extreme volatility. 

Extreme volatility in securities markets can undermine IOSCO’s objective of ensuring that markets are fair, efficient and transparent, weaken market integrity and reduce investor confidence.  Following recent extreme volatility events, regulatory authorities and trading venues have been reviewing their approaches to managing extreme volatility; volatility control mechanisms seek to minimize market disruption triggered by events such as erroneous orders, by halting or temporarily constraining trading.

In a consultation report published today on Mechanisms Used by Trading Venues to Manage Extreme Volatility and Preserve Orderly Trading, IOSCO explores the measures that trading venues use to address the risks posed by extreme volatility. The report finds that these mechanisms can be an effective way for trading venues to mitigate the effects of extreme volatility and preserve orderly trading. 

In the report, IOSCO proposes eight recommendations to assist trading venues and regulatory authorities when considering the implementation, operation, and monitoring of volatility control mechanisms. Specifically, the report recommends that: 

•  trading venues should have mechanisms to manage extreme volatility and these mechanisms should be appropriately calibrated and monitored;

•  regulatory authorities should consider what information they require to effectively monitor the overall volatility control mechanism framework in their jurisdiction, and ensure that trading venues maintain relevant records;

•  information about volatility control mechanisms and when they are triggered should be made available to regulatory authorities, market participants and, if appropriate, the public; and

•  communication amongst trading venues should be considered where the same or related securities are traded on multiple trading venues in a particular jurisdiction. In addition, where the same or related instruments are traded in different jurisdictions and the mechanism is triggered, communication may be appropriate.
 

The report also highlights the issues that arise where this information sharing and communication between trading venues occurs across jurisdictions.
 

The report is part of IOSCO’s ongoing work on how technology is changing how markets operate and how regulators and markets should respond to these changes. Specifically, the report builds on the recommendations in IOSCO´s 2011 report
Regulatory Issues Raised by the Impact of Technological Changes on Market Integrity and Efficiency, which addressed the broad technological changes impacting markets, including high frequency trading and measures used to address volatility, including trading halts, circuit breakers and price limits. 

Public comments on this consultation paper should be
submitted on or before 6 May 2018 

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