$ variance --mode interactive

Train Your Mind for Quant Assessments

Master math challenges, sequence puzzles, pattern recognition, and brain teasers. Prepare for interviews at top quantitative trading firms.

variance — sequence_challenge.py

In [1]: from variance import SequenceGame

In [2]: game = SequenceGame(difficulty="hard")

In [3]: game.next_challenge()

Find the next number in the sequence:

2, 3, 5, 7, 11, 13, ?

In [4]: game.submit(17)

✓ Correct! Prime number sequence. Time: 2.3s

// FEATURES

Everything You Need to Ace Quant Tests

Comprehensive training modules designed by quant professionals

01

Mental Math

Sharpen arithmetic skills with timed calculations. Practice the speed math that quant firms test.

02

Pattern Recognition

Train your brain to spot patterns in sequences, matrices, and visual puzzles quickly.

03

Reaction Games

Build lightning-fast reflexes with games designed to test speed and accuracy under pressure.

04

Sequence Puzzles

Master number sequences from arithmetic to Fibonacci to complex recursive patterns.

05

Brain Teasers

Tackle logic puzzles and probability questions common in quant interviews.

06

Timed Challenges

Practice under real assessment conditions with adjustable time constraints.

// TRAINING MODULES

11+ Training Modules, One Goal

Train across multiple cognitive domains tested in quant assessments

speed_math.py
AdaptiveAvg: 1.2s

Mental Arithmetic

45 × 12 = ?

// HOW IT WORKS

Your Path to Quant Success

A structured approach to assessment preparation

01

Create Your Profile

Sign up and tell us about your target firms and timeline. We'll customize your training path.

step_01.py
1user = Variance.register(
2 target="Jane Street",
3 timeline="2 weeks"
4)
02

Train Daily

Complete adaptive challenges across all training modules. Track your progress with detailed analytics.

step_02.py
1session = user.daily_training()
2session.complete([
3 "math", "sequences",
4 "patterns", "reaction"
5])
03

Compete & Compare

Join leaderboards and compete against other candidates. See where you stand in the community.

step_03.py
1rank = user.leaderboard_position()
2# Current rank: Top 5%
3# Weekly improvement: +12%
04

Ace Your Assessment

Apply your training to real assessments with confidence. You're ready for anything they throw at you.

step_04.py
1assessment = user.simulate_test()
2# Score: 95th percentile
3# Status: Ready ✓
// COMMUNITY

Trusted by Students at Top Universities

From math and CS students to physics majors — all aiming for top quant roles.

University of British ColumbiaStanfordUniversity of Illinois Urbana-ChampaignUSCUniversity of PennsylvaniaCornellUC BerkeleySan Diego State
// TESTIMONIALS

Success Stories

Hear from candidates who landed their dream roles

Sequence games help prepare students for games I saw during my online assessments. I tried to mimic real scenarios.
CK

Caleb

Founder

The reaction time training was a game-changer. I improved my response time by 40% in just two weeks of daily practice. I didn't realize how slow I was.
AB

Alejandro B

Santander

Best investment I made during recruiting. The adaptive difficulty kept me challenged without feeling overwhelmed.
AH

Arda

Ex-Amex, Founder of Pocket Forest

$ ready to start training?

Start Your Quant Journey Today

Join candidates preparing for assessments at the world's top quantitative trading firms. Free to download on iOS.