Optiver Interview Question Bank
Optiver is a market-making trading firm whose interview process is built to find fast, calibrated decision-makers under pressure. The funnel is dominated by a heavy online assessment — a probability/sequence/reaction battery for quant roles and OOP simulation coding for engineers — and the quant loop centers on a live EV betting game where speed and bet-sizing matter more than ending profit.
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OJ Problems
practice in the online judgeMulti-Core Overheat Prevention ControllerProportional Momentum InvestmentCount Ordered Sequences That Sum to nDetect Currency Arbitrage with a Cycle FeeCount Valid Stock Transaction SequencesDays Between (Unbounded Date Range)Overheat Prevention ControllerSingle-Symbol Order Book Price LevelsConstruct Binary Tree from Parent-Child Pairs and Return S-ExpressionNumber of Days Between Two DatesThread-safe Stock Buy/Sell API Preventing OversellMerge Overlapping IntervalsMinimum Eating Speed to Finish BananasGiving Tree of Errors: Validate Parent-Child Pairs and Output Lexicographically Smallest S-ExpressionDays Between Dates (Days Between 3.0 V2)Transport Scheduling SystemDesign a Circular QueueOptimize Cargo Transport AlgorithmOrder Book Matching SimulationProportional Allocation BacktestTrading Sequence CountingDesign News Push SystemOrder Book TransactionsInvestment Strategy BacktestDifferent Ways to Perform Stock TransactionsCount the Occurrences of 'OPTIVER' in a GridMarket Updates Stream DecodingReal-time Ticket Purchasing SystemRecord LogCustomer Checkout Duration