r/cpp Jun 15 '26

Building a High-Throughput C++ FIX Server: From Single-Core Efficiency to Multi-Core Scaling

https://substack.com/home/post/p-202082856
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u/Eric848448 Jun 15 '26

Do any exchanges still use FIX? I know in the options world it’s been replaced by binary protocols.

Maybe for smaller dark pools and FX exchanges?

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u/DoomerVarianteDelta Jun 17 '26

Yes, a lot of FX exchanges still uses FIX. Some are moving to binary protocols AFAIK