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Interview prep

◆Interview prep ∂Options, Greeks & markets59 ◇Trading brainteasers46 ℙProbability & statistics30 𝔼Expected value & market making13 ×Mental math & estimation10

★Classic problems28 ◧Firms ▤Guides ➜Start here ▶Practice game ◆Quandle

Track

▸Trading158 ▸Research1

Level

①Middle School1 ②High School54 ③Undergraduate99 ④Graduate11

Format

◈Explainer118 ◉Deep dive47

Pure mathematics

ℙProbability & Stats103 ∫Analysis44 ⊗Combinatorics43 ∞Recreational28 ℕNumber Theory25 ⊞Algebra25 △Geometry20 ⊢Foundations & Logic13 ƒApplied11 ∂Diff. Equations9 +School Basics8 ≈Numerical3 ⟨⟩Math & CS3 ◎Topology1

Explore/Recreational, History & Meta/Conjectures

Conjectures

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1 3 2 3 conjecture Adrien marie legendre Agrawals conjecture Aharoni korman conjecture Ahlfors measure conjecture Alan weinstein Alberto calder n Alessandra iozzi Alexey parshin Alphonse de polignac Alternating sign matrix conjecture Andrews curtis conjecture Arnaud denjoy Arnold scholz Artin conjecture Arxiv Avraham trahtman Beilinson conjecture Beilinson lichtenbaum conjecture Big line big clique conjecture Birkhoff conjecture Blagovest sendov Blattners conjecture Bloch beilinson conjectures + 199 more

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Quant interview practice you can actually see. One question a trading desk actually asks, worked through in full — probability, brainteasers, mental math, market making.

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