Jane Street Is Different (formerly Make Jane Street Famous – MJSF)

The news is out: Jane Street Group delivered a Wall Street record $39.6 billion in trading revenue for 2025, exceeding JPMorgan, Goldman Sachs, Citadel Securities, and others. It's a very big number. So big, in fact, that it pisses many people off and effectively places a target on their back. That's because Jane Street is doing something unique. How unique? Beyond its recently published case study, "How Jane Street Generates Alpha," Alphacution adds to the analysis here with a comparison of net price improvement value relative to other wholesale market makers...