ZTrader Macro & AI Notes

ZTrader Macro & AI Notes

Inside Jane Street: The Billion-Dollar Quant Giant That’s Quietly Running the Global Markets

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Dorian
Jul 07, 2025
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By Dorian | Ztrader Macro

If you’ve ever traded an ETF, odds are you’ve crossed paths with Jane Street—without even realizing it.

In a world where high-frequency firms like Citadel Securities and Jump Trading chase headlines and alpha, Jane Street remains a fortress of silence and structure.

No press releases.

No marketing.

No flamboyant founders.

Just co…

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