When high speed trading is too fast for clocks to keep up – Breaking News & Latest Updates 2026
Skip to main content

When high-speed trading is too fast for clocks to keep up

Adi Robertson
is a senior tech and policy editor focused on online platforms and free expression. Adi has covered virtual and augmented reality, the history of computing, and more for The Verge since 2011.

There are myriad questions about high-speed trading, including whether such traders have unfair advantages in the stock market. Here, The Wall Street Journal explains a problem that dramatically illustrates how fast it really is. “Clock drift” is the common term for timepieces moving slightly out of sync. In another industry, that might barely be noticeable, let alone a problem. In the stock exchange, not being able to pinpoint changes down to the millisecond can make it hard to track data or even provide cover for illegal trading. And regulators are still figuring out how to fix the problem.

Follow topics and authors from this story to see more like this in your personalized homepage feed and to receive email updates.