HFT is so latency-sensitive that it matters how physically close you are *on Man... | Hacker News

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		guscost on Dec 21, 2020 \| parent \| context \| favorite \| on: More challenging projects every programmer should ... HFT is so latency-sensitive that it matters how physically close you are on Manhattan island. It is so latency-sensitive that new “hollow” fiber-optic cables are being installed, because light moves faster in air than in glass.

vntok on Dec 21, 2020 [–]

See also how they slow down the whole network to level the field: https://hackaday.com/2019/02/26/putting-the-brakes-on-high-f...

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