Firm profile

323 Trading

Proprietary trading · Amsterdam, Netherlands

About 323 Trading

323 Trading is a proprietary trading firm headquartered in Amsterdam, Netherlands. Founded in 1998, it has an estimated team of 4 people. Its listed trading focus is market making. Markets covered include options, equities.

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Source: Tradermath firm directory, collected 17 October 2026. Team sizes are approximate. Inclusion does not imply a QuantStep partnership.