Quant Trading
The full desk simulation: quoting a market, tracking P&L, and sizing bets with Kelly.
Quote a bid and ask. Wear the risk.
PremierMarket Making
Post a bid/ask spread against a hidden fair value. Counterparties trade against you — a tight, well-centered quote wins; a wide or mispriced one loses.
Read the book, fast.
PremierMental Order Book
A live bid/ask book flashes on screen. Spread, mid price, walk-the-book fill price — answer before time runs out.
Buy here, sell there, mark it now.
PremierTrading P&L Sprint
Track a rapid sequence of buys and sells at an average cost basis, then compute realized, unrealized, or total P&L before time runs out.
How much of your bankroll?
PremierKelly Criterion
Given an edge and the payout odds, compute the Kelly-optimal fraction of your bankroll to bet.
Coins, dice, and cards — fast.
Probability Blitz
Rapid-fire probability questions: coin flip combinations, dice sums, card draws. Answer within tolerance before time runs out.
Monty Hall and friends.
PremierConditional Probability
The probability questions people actually get wrong: conditional probability, Bayes, cards without replacement, Monty Hall.
Everything, back to back, on the clock.
PremierQuant Gauntlet
The full test: mental math, probability, sequences, order books, trading P&L, and Bayesian reasoning rotate in one timed run. Ends with a percentile profile across every category.
Some games on this track need Premier. See pricing →