Free timed practice for quant trading interviews.
Run firm-style timed tests in your browser, with no signup. The TradeMind app adds a new set each day and tracks progress on web, iPhone and Mac.
What are you preparing for?
What the TradeMind app adds
The tests on this site are free and use fixed sets. On web, iPhone and Mac, the app generates a new set each day and keeps your full history. Scores from this site stay here; sign in to the web app to save new sessions.
Timed practice
Arithmetic, sequences, probability, robot games, firm-style assessments, and a 16-game cognitive battery.
Review what you missed
Score, accuracy, time per question, and the items where you lost points.
Daily sets and progress
A new set each calendar day, a Daily Goal, streaks, activity history, and readiness tracking.


TradeMind Future
Visual investing strategy builder
Build an investing strategy and see how it would have done.
Set the rules with blocks, test them on historical prices and practise with virtual money. You don't need to write code.
Explore Future
Skill drills
See all free tests →Drill one skill at a time, then sit a timed firm test. Firm tests use a fixed set, so scores stay comparable; the app generates a new set each day.
Mental Math
Arithmetic speed drills, then timed 80-in-8, Flow, Maven, and SIG-style tests.
Sequences
Find the next term in arithmetic, geometric, alternating, and second-difference sequences.
Probability & EV
Timed questions on dice, cards, conditional probability, and expected value.
Robot Games
Decide to play or pass from the sign of the EV. A bad roll does not make a correct decision wrong.
Brain Teasers
32 interview puzzles on the web, 10 with full solutions. The app has 275.
Realistic OA
A CTC-style OA on the web. The app has five firm-style OA modules.
Prep Guide: the hiring pipeline, negative marking, and a five-week study plan.
How to prepare →Practice tests and OAs by firm
All free tests →Each test is an independent reconstruction of a publicly described format, with original questions. None is an official test. Start with Optiver 80 in 8, CTC OA, or Flow Traders. TradeMind is not affiliated with any of these firms.
Optiver 80 in 8
80 typed arithmetic questions in 8 minutes, −1 per wrong answer.
- Q
- 80
- Time
- 8:00
- Input
- typed
- Mark
- −1
Candidate-reported practice benchmark: ~60 net (not an official cutoff)
CTC online assessment
50 questions in 15 minutes across numerical, spatial, verbal and logic reasoning. Candidates report no negative marking.
- Q
- 50
- Time
- 15:00
- Input
- mixed
- Mark
- 0
No published cutoff
Flow Traders math test
75 multiple-choice questions on integers, decimals and fractions, −2 per wrong answer. Public Flow formats vary by region, role and cycle.
- Q
- 75
- Time
- 8:00
- Input
- MCQ
- Mark
- −2
TradeMind practice target: 70 net on this 75Q / 8-minute configuration (not a firm cutoff)
Maven Securities math test
40 five-choice questions in 6 minutes, −2 per wrong answer. Fractions, percentages and powers.
- Q
- 40
- Time
- 6:00
- Input
- 5-way
- Mark
- −2
Candidate-reported practice benchmark: ~34 correct on a reported 40Q / 6-minute format (not an official cutoff)
SIG-style mental math
70 questions in 8 minutes: typed difference-of-squares tricks, plus multiple-choice decimals and ugly fractions.
- Q
- 70
- Time
- 8:00
- Input
- mixed
- Mark
- −1/−2
TradeMind practice target: 55 net on this 70Q / 8-minute configuration (not a firm cutoff)
Akuna Capital math test
80 typed arithmetic questions in 8 minutes, −1 per wrong answer, as publicly reported for the first OA. A separate sequences section follows.
- Q
- 80
- Time
- 8:00
- Input
- typed
- Mark
- −1
TradeMind practice target: 60 net on this 80Q / 8-minute set (not a firm cutoff)
Firm guides
Hiring-process guides for firms without a published speed-math test.
Guides only · no simulator
5 Realistic OA simulators in the app
CTC, IMC pattern OA, SIG tracks, CCI games, and Wincent.
App only · first section free once
OptiverCTCFlow TradersMaven SecuritiesSIGAkuna CapitalIMC TradingJane StreetCitadel