Design experiment and analyze volume drop scenario
Company: Citi
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: easy
Interview Round: Technical Screen
Quick Answer: Design an activation experiment for first-trade rate and investigate a retail trading volume drop despite higher BTC volatility. The solution covers A/B metrics, guardrails, validity threats, non-significant results, volume decomposition, market and risk hypotheses, and follow-up analyses.