Conquer Optiver's legendary 80-in-8 mental math test and excel in their quantitative trading interviews. Practice with authentic Optiver-style questions and brainteasers.
The Optiver 80-in-8 is one of the most challenging mental math tests in quantitative trading. You must solve 80 arithmetic problems in just 8 minutes - that's 10 questions per minute!
Master every aspect of Optiver interviews with our comprehensive practice suite
Expert strategies to excel in Optiver's quantitative trading interviews
Practice basic arithmetic daily. Focus on speed and accuracy with addition, subtraction, multiplication, and division.
Simulate real test conditions with strict time limits. Build stamina for sustained mental effort.
Create mental shortcuts and patterns for common calculations. Practice estimation techniques.
Master combinatorics, probability distributions, and statistical reasoning for brainteaser questions.
Work through logic puzzles and quantitative reasoning problems. Focus on clear communication of your thought process.
Develop stress management techniques. Practice mindfulness and breathing exercises for interview day.
