The Securities and Exchange Commission has approved rules that will allow thousands of stocks and ETFs traded on exchanges to be quoted in half-penny increments.
The agency’s move Wednesday, which came with a unanimous vote from the five commissioners, might help trading venues such as the New York Stock Exchange and IEX Group better compete with wholesalers that can quote in finer increments outside of an exchange.
The changes could apply to about 2,400 securities, including stocks and exchange-traded funds, SEC officials said Tuesday during a press briefing. The number of so-called tick-constrained stocks affected by the new increments might change over time. Tick-constrained stocks include those with bid-offer spreads of less than a cent.
“The one-penny minimum has become outdated,” SEC Chair Gary Gensler said during the agency’s meeting Wednesday. “The updates we’re considering today will help drive greater efficiency, competition and fairness in our equity markets.”
For years, market participants have complained that requiring exchanges to quote stocks at increments of at least 1 cent restricts liquidity and competition for orders.
Fee caps
The rules also lower the maximum amount of fees exchanges charge some brokers to access protected quotes on their platforms to $0.001 per share for stocks priced at $1 or more. Exchanges can charge higher fees, as much as 0.1% of the quotation price per share, for stocks under $1.
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Those changes are largely in line with what the SEC first proposed in December 2022. Market participants have warned they may sue the agency over the lower access fee caps. Such fees help fund the rebates some exchanges offer brokers to entice order flow to their platforms.
Currently, a significant chunk of retail trades are handled by wholesale brokerages such as Virtu Financial and Citadel Securities, which pay to process customer trades from firms such as Robinhood Markets.
The access fee caps help to ensure that market participants have fair access to the best displayed prices, the SEC said in a fact sheet.
The rule requires the total amount of exchange fees and rebates to be set at the time of execution, rather than later, as they are now. That change would help eliminate uncertainty about the cost of trading, Jessica Wachter, head of the SEC’s Division of Economic and Risk Analysis, said at the meeting Wednesday.
“The system was so complex that most investors didn’t know the rebates and fees resulting from their trading for days or weeks after the trades,” Tyler Gellasch, president and chief executive officer of the Healthy Markets Association, said in an email. “By making that information known at the time of the trade, brokers can make better routing decisions, and investors can negotiate to have those costs and profits passed through.”
Healthy Markets is a trade group that represents institutional investors, including the California Public Employees’ Retirement System, and smaller exchanges like Miami International Holdings.
The rules are among a suite of market-structure overhauls proposed in Gensler’s time in office. The agency approved one measure earlier this year to require brokers to give better disclosure about the execution quality they offer traders. Two other measures proposed in the four-rule suite in December 2022 are still pending.
Fees, rebates
Large exchanges have said that lowering the fee caps could make it more costly for them to offer rebates to some brokers to lure trade orders to their platforms.
Nasdaq hinted in a recent comment letter that it might sue the SEC, depending on how low it sets the fee caps. Nasdaq likened the agency’s moves over pricing to an attempt to regulate exchanges “like public utilities.”
In a statement following the vote, Nasdaq said its “initial assessment suggests that the commission’s rules lack foresight and do not consider the intricate dynamics of the equity market, ignoring the concerns expressed by a diverse array of market participants.”
The new rules will “impose serious harm to the long-term strength of the U.S. equity market,” and increase costs for investors and publicly listed companies, Nasdaq said.
Smaller exchanges like IEX, however, have supported the changes and said the caps could help them compete for order flow with more established players.
“This is a historic approval by the SEC, unanimous among the five commissioners, and we commend them for incorporating industry feedback and modernizing regulation that is now nearly two decades old,” IEX CEO Brad Katsuyama said in a statement.
The Managed Funds Association, representing private equity firms and hedge funds, also supports the new rules.
“The market structure amendments will enhance U.S. capital markets, and all investors will benefit from the move to half-penny tick sizes,” Bryan Corbett, the association CEO, said in an emailed statement. “It will improve market liquidity, efficiency and resiliency, and lower costs for market participants.”
The rules will take effect 60 days after publication in the Federal Register. Compliance won’t be required until November 2025 for most of the provisions.
