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A comment on Ask HN: Are systems ready for the first negative leap second?. Parent comment

Re:Ask HN: Are systems ready for the first negative leap sec... by not-a-llm on Friday July 10, 2026 @07:35PM (#48866744)
financial markets dont trade when the smears happen (NYE)
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Re:Ask HN: Are systems ready for the first negative leap sec... by _alternator_ on Friday July 10, 2026 @09:33PM (#48867650)
They can happen mid-year too. They usually don't for this reason, but they can.
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Re:Ask HN: Are systems ready for the first negative leap sec... by weakened_malloc on Friday July 10, 2026 @09:38PM (#48867677)
Depends on the market. Crypto and prediction markets wont stop.
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Re:Ask HN: Are systems ready for the first negative leap sec... by lesam on Saturday July 11, 2026 @01:39PM (#48873993)
Early in my career, I had to babysit our FX quoting app through the July 2015 leap second.

And some things do trade 24/7 (though I wish they wouldn't, one auction per minute during US east coast business hours would be totally sufficient for most US markets).

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