Home Investment What Is Payment For Order Flow and Why is it so Controversial?

What Is Payment For Order Flow and Why is it so Controversial?

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Whether you want to ride in the front seat of a crowded car or nab the last piece of cake, most of us are familiar with calling “first dibs” or similar to get the first opportunity at something before anyone else. While it may sound a bit counterintuitive, the same thing happens with trades on the stock market. This is called Payment for Order Flow, and you’ve likely been a part of it whether you’ve realized it or not.

“Payment for order flow” is an industry term for calling first dibs on a stock trade. To do this, highly sophisticated computer programs link with participating brokerages and the big stock exchanges to decide which trades go where, and the trading firms are willing to pay for the privilege. Learn more about how it works, how it impacts your portfolio and other details you should know as a participant in the stock market.

What Is Payment for Order Flow (PFOF)?

As the name implies, payment for order flow is a financial term for when a company pays to control a stock’s order flow. This can be a complex concept to understand, so here’s an example:

Let’s say you want to sell 100 shares of Stock X, so you log into your brokerage or stock trading app and enter an order to sell 100 shares. If your brokerage participates in PFOF, the sale may not go right to the New York Stock Exchange or NASDAQ. Instead, a middleman company will quickly analyze the transaction to decide if it can profit from the order by managing the trade on its own.

If someone else out there wants to buy 100 shares of Stock X and their brokerage uses the same middleman for order flow, the company in the middle could intercept the trade, route the trade on its own and capture a small profit. This order never goes through a major stock exchange. The middle company shares a portion of that profit with the participating brokerages that put your trade into their system.

History of Payment for Order Flow

Payment for order flow traces its roots to an infamous name in investing: Bernie Madoff. Madoff pioneered this system as a way for large market makers to profit from trade activity. At one point, Madoff’s firm was paying to take about 10% of volume from the New York Stock Exchange. That’s massive — and the influence of just one firm.

Today, major firms including Citadel Securities and Virtu Americas are big players in the PFOF business. When brokerages stopped charging high commissions for executing trades, payment for order flow became a lucrative option to make up for lost revenue.

Payment for order flow takes place at many “free” and discount brokerages. Because of controversies surrounding the practice, some brokerages like Public, don’t participate in this. Others, like Robinhood, rely on this practice as a major part of their business model.

How Does Payment for Order Flow Work?

Let’s dig in deeper to how payment for order flow works so you can understand where the money goes, how it impacts you and why it’s lucrative for investment firms.

As an example, imagine you want to sell 100 shares of Starbucks and the current market price is $100 per share. You grab your phone, tap a few buttons and enter a market order to sell your shares.

Rather than go right to the NASDAQ to execute the trade, it’s intercepted by Citadel, a major pay for order flow firm. At the same moment you enter your trade, the market price moves to $99.99 per share and someone else enters a limit order to buy 100 shares at $100.01 per share.

Citadel notices this seconds-long discrepancy in the market. It sends your trade to fulfill the limit order at $100.01 per share and fulfills your order at the market price of $99.99. That’s a two-cent spread per share worth $2 total for this trade. Citadel keeps the $2 and sends part to your brokerage as payment for order flow.

Depending on your brokerage’s timing, you may also see a small price improvement on your order so you get a small bit of the profit. However, the CFA Institute equates this to paying a dollar to get a WealthyUpdates Reader back. Generally, payment for order flow is a completely invisible process that could happen to almost all of your stock orders without your knowledge.

Further Reading: How to Protect your Investments

How High-Frequency Firms Profit From PFOF

The $2 profit in the section above doesn’t sound like a lot, but imagine that the same process happens several million or billion times per day. All of a sudden, that pile of $2 here and $0.20 there turns into millions or billions of dollars to be split up between payment for order flow firms and participating brokerages that send trades.

If you watched Superman 3 or Office Space, you know that fractions of a WealthyUpdates Reader can add up to a high income over time. With PFOF, high-frequency trading firms and brokerages all play in a system that divvies up fractions of a cent for business profits. But when someone is winning by taking advantage of high-speed trading and payment for order flow, someone else is stuck paying the bill.


Why Is Payment for Order Flow Controversial?

The big controversy around this practice comes from retail consumers like you and me. In the example above with Starbucks stock, the two individual traders buying and selling 100 shares are the losers who wind up giving away $2 that one of them should have arguably been able to keep.

Instead, that $2 is split up between the brokerage and payment for order flow firm. And most consumers have no idea this is happening. So while Robinhood and competing brokerages may appear to be “free” on the surface, you may be paying in another way that doesn’t involve traditional commission.

Because of this potential to exploit the little guy, countries such as Canada have completely banned payment for order flow while others are reviewing the practice. While market makers have some rules and regulations that require them to give traders a reasonable deal based on real market rates, there is plenty of room to earn slivers of a profit by taking advantage of unaware individual investors.

How to Avoid Payment for Order Flow

risksIf you sign up for a brokerage firm that offers commission-free trading, there’s a good chance your orders are subject to payment for order flow. The only way to avoid this practice is to pick a brokerage that doesn’t participate or gives you the option to opt out.

Of course, it could be worth paying a small amount, even with this practice, to enjoy the best brokerage experience for your needs. If one brokerage offers an amazing service and requires this practice, it could still be a better choice than a brokerage that doesn’t use PFOF but provides sub-standard tools and resources.

If you are set against getting caught up in payment for order flow, read the fine print on your brokerage website and any other broker you’re considering. The practice is widespread, and you may have to do a little legwork to find a brokerage that sends every order directly to the market.

Is Payment for Order Flow a Good Practice?

This practice is a good idea for the brokerages and trading firms that profit from the practice. However, for most individual investors, it isn’t a good thing. Payment for order flow introduces conflicts of interest that ultimately have the potential to cost you money.

But because it’s so common and tough to avoid, you may be stuck with it while regulators and firms duke out the details. 

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