Skip to content
SuperMoney logo
SuperMoney logo

Flash Trading: Understanding, Risks, and Key Takeaways

Last updated 03/15/2024 by

Alessandra Nicole

Edited by

Fact checked by

Summary:
Flash trading, a contentious financial practice, enables select clients with advanced technology to access orders milliseconds ahead of the broader market. Proponents assert enhanced liquidity, while critics argue an unfair advantage and increased flash crash risks. Despite criticism, many exchanges voluntarily abandoned flash trading, though some stock exchanges still offer it.

Understanding flash trading

Flash trading, a controversial financial strategy, involves leveraging sophisticated high-speed computer technology. this allows specific market participants, often institutional investors or market makers, to gain a fraction-of-a-second advantage in viewing orders compared to the rest of the trading community.
The process relies on high-frequency trading techniques, enabling these flash traders to recognize market sentiment shifts and assess supply and demand dynamics before other participants. this technological edge aims to provide quicker and more informed decision-making in the highly competitive financial markets.

Proponents and critics

Proponents argue that flash trading enhances liquidity in secondary market exchanges, contributing to a more efficient market. They contend that the practice facilitates smoother trading and better price discovery. On the other hand, critics emphasize the potential negative consequences, alleging that it creates an uneven playing field, favoring those with advanced technology.
Critics also draw parallels between flash trading and front running, an illegal practice where traders exploit non-public information. The concern is that the informational advantage granted by flash trading could be misused for personal gain, leading to market distortions.

The evolution of flash trading

Flash trading gained widespread attention in 2009 when the securities and exchange commission (sec) proposed rules to eliminate the practice. despite the proposal, these rules were never enacted, leaving the legality of flash trading in a gray area.
Subsequently, due to increasing criticism and concerns over market stability, many exchanges chose to discontinue flash trading voluntarily. However, some stock exchanges still offer it as a service to market participants who seek a time advantage in executing trades.

Flash trading processes

Market makers subscribed to flash trading services for a fee, gaining access to trade orders a fraction of a second before public release. This advantage was particularly valuable in the realm of high-frequency trading, where milliseconds could determine the success of a trade.
The integration of flash trading into the standard market making exchange process allowed large institutional traders, such as goldman sachs, to capitalize on market movements. By accessing trade orders slightly ahead of others, these market makers could widen trade spreads, leading to increased profitability.

Is flash trading legal?

The legal status of flash trading has been a subject of debate and scrutiny. in 2009, the sec proposed a rule to eliminate flash trading from regulation nms, but the rule was never fully passed. Despite the lack of clear regulations, most market exchanges opted to discontinue flash trading offerings for market makers, signaling a voluntary shift away from this controversial practice.
The release of michael lewis’s book, “flash boys: a wall street revolt,” in 2014 further fueled the debate. the book shed light on the processes of high-frequency trading, including the utilization of flash trading by wall street traders. It discussed various practices, such as spoofing, layering, and quote stuffing, which are now deemed illegal.
WEIGH THE RISKS AND BENEFITS
Here is a list of the benefits and drawbacks to consider.
Pros
  • Enhances liquidity in secondary market exchanges
  • Facilitates smoother trading and better price discovery
Cons
  • Creates an uneven playing field, potentially leading to market distortions
  • Risks of misuse, akin to front running, raising ethical concerns

Frequently asked questions

What led to the discontinuation of flash trading?

Flash trading faced substantial criticism, particularly after significant market events. many exchanges voluntarily discontinued flash trading due to concerns about market fairness, transparency, and the potential for abuse of technological advantages.

Why did the sec’s proposed rule not pass?

The sec proposed a rule in 2009 to eliminate flash trading, but it was never fully passed into law. The complexities and nuances of market practices, coupled with industry resistance, may have contributed to the rule’s inability to gain regulatory approval.

How does flash trading relate to front running?

Flash trading, like front running, involves gaining an informational advantage over other market participants. while flash trading is not inherently illegal, critics draw parallels to front running, an illegal practice that relies on non-public information to gain an unfair advantage in trading.

Are there ongoing debates about the legality of flash trading?

Yes, the legal status of flash trading remains a subject of ongoing discussion. despite the discontinuation of flash trading on many exchanges, the absence of comprehensive regulations leaves room for continued debate and scrutiny within the finance industry.

Key takeaways

  • Flash trading involves using advanced technology to gain a time advantage in viewing market orders.
  • Proponents argue it enhances liquidity, while critics express concerns about an uneven playing field.
  • Many exchanges discontinued flash trading voluntarily due to criticism, though it is still offered by some stock exchanges.
  • Flash trading’s legality remains a debated topic, with the sec’s proposed rule in 2009 not being fully enacted.
  • Michael lewis’s book “flash boys” brought attention to high-frequency trading practices, including flash trading, and its legal implications.

Share this post:

You might also like