Citadel OA Questions [2026-2027]
13 OA problems reported by candidates who interviewed at Citadel. Updated from 7 sources including LeetCode, 1P3A, Reddit, and more.
What to expect in the Citadel OA
Online assessments (OAs) are typically the first technical screening step at Citadel. Candidates receive a timed coding challenge (usually 60-90 minutes) with 2-3 algorithmic problems. The OA is graded automatically and determines whether you advance to phone screens or onsite rounds.
The 13 questions below are reported directly by candidates who have completed the Citadel OA. Use them to understand the difficulty level, problem types, and topics the OA focuses on.
Citadel OA questions (13 reported)
Citadel Maven Trading Internship Online Assessment Overview...
Citadel Securities Credit & Rate Rotational Trading Internsh...
Citadel | Senior Software Engineer | Reject...
2026 Citadel Internship Timeline...
What kind of performance do trading firms look for in their ...
What citadel securities asks in interview for C++ software e...
I have no C++ or Python experience, why did I receive an int...
What to expect from a Citadel Phone Screen Interview?...
Citadel 100% on OA, still rejected...
Just completed Citadel Launch HackerRank OA and passed all t...
Other Citadel interview rounds
Frequently asked questions
What does Citadel ask in their Online Assessment (OA)?▼
How many OA rounds does Citadel have?▼
How hard is the Citadel OA?▼
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