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This blog has been moved to our new website. Please visit iexexchange.io/blog for the newest content.

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  • D-Limit: One Year In

    D-Limit: One Year In

    One year ago this month, IEX Exchange launched “D-Limit,” a new order type that was designed to do something that hadn’t been done in many…
    Go to the profile of Stan Feldman
    Stan Feldman
    Oct 4, 2021
    Maximizing the Midpoint on IEX Exchange

    Maximizing the Midpoint on IEX Exchange

    IEX Exchange has long been known for its rich midpoint liquidity. However, over the past year, much of the attention on IEX has focused on…
    Go to the profile of Mike Smyth
    Mike Smyth
    Jun 23, 2021
    The Rising Tide of Broker Costs, and the Shrinking Pool of Competitors

    The Rising Tide of Broker Costs, and the Shrinking Pool of Competitors

    Competition is a linchpin of successful free market economies. It drives innovation, promotes efficient use of resources, and increases…
    Go to the profile of John Ramsay
    John Ramsay
    Jun 8, 2021
    An Evolved Retail Solution for an Evolved Retail Landscape

    An Evolved Retail Solution for an Evolved Retail Landscape

    Since the publication of this post, the proposal has been amended. Under the amended proposal, RLP orders will be executed against Retail…
    Go to the profile of Ronan Ryan
    Ronan Ryan
    May 6, 2021
    How Do You Measure a Fill? Nasdaq Attacks with a Dull Knife

    How Do You Measure a Fill? Nasdaq Attacks with a Dull Knife

    Those who follow equity markets closely know that D-Limit is an order type introduced by IEX in October of last year that is designed to…
    Go to the profile of John Ramsay
    John Ramsay
    Apr 12, 2021
    To D-Limit and Beyond: Impact on IEX Exchange and the Broader Market

    To D-Limit and Beyond: Impact on IEX Exchange and the Broader Market

    In our previous two blog posts about D-Limit, we highlighted the benefits of D-Limit for those who choose to use the order type. Based on…
    Go to the profile of Ronan Ryan
    Ronan Ryan
    Mar 31, 2021
    Picking a Path to the IEX Midpoint: Performance Differences Between D-Peg and M-Peg

    Picking a Path to the IEX Midpoint: Performance Differences Between D-Peg and M-Peg

    By Sean Spector and Tori Dewey
    Go to the profile of Sean Spector
    Sean Spector
    Mar 18, 2021
    Breaking Down M-Peg and D-Peg

    Breaking Down M-Peg and D-Peg

    by Sean Spector and Tori Dewey
    Go to the profile of Sean Spector
    Sean Spector
    Mar 18, 2021
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