Waddle Street
Programs
  • All programs
  • Insight programs
  • What changed
  • Competitions
Networking
  • Contacts
  • Find people
  • Write a note
Prep
  • Learn
  • Drills
  • My answers
  • Markets
  • Resume review
  • Resources
Industries
  • Overview
  • Find your fit
  • Guides
Waddle Street
LearnDrillsMy answersMarketsResume reviewResources

Learn

Learn/Quant trading foundations
LearnQuant trading foundations

0 of 9 lessons, sign in to save

B Basic

  • What trader, researcher, and developer interviews test6m
  • Probability and countingPro9m
  • Conditional probability and BayesPro10m
  • Expected value and fair pricesPro9m
  • Mental math under a clockPro7m

A Advanced

  • Brainteaser patterns, worked step by stepPro11m
  • Market making games and the bid and askPro10m
  • Edge and position sizingPro10m
  • Options basics for tradersPro10m
  • FlashcardsPro0/20
  • Basic quizPro80% passes
  • Advanced quizPro80% passes
  • Terms

Conditional probability and Bayes

New information shrinks the set of possible outcomes. Conditioning is recounting inside that smaller set, and Bayes is the same idea run backwards.

This lesson is Pro

All 9 lessons in Quant trading foundations, with checks as you read, two quizzes, and flashcards.

The first lesson of every track stays free.

Read the free first lesson

7 days of Pro. No card, nothing to cancel.