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How to slow down a stock exchange

Tom Scott · explainer · Watch on YouTube

Tech industry & business modelsNetworking & internet infrastructureInvesting & personal finance

What it is

Tom Scott visits IEX, a stock exchange that slows down trading with a long coil of fiber. The coil removes the speed advantage of high-frequency traders.

Why Hacker News recommends it

Cited as a quick, visual explanation of IEX's deliberate latency and of artificial delay as a fairness tool.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2019, last 2023

What HN commenters said

  1. “Tom Scott did a nice video [1] on IEX's setup with 38 miles of fiber”

    Explains IEX using fiber coil to add fairness delay

    m0rphling, 2019-08 · Recommendation · in “Goldman Sachs is spending $100M to shave milliseconds off stock trades”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: iex, stock exchange, latency, fiber, market fairness

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