Difficulty: Medium
Category: data_manipulation
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: market_microstructure, pandas, feature_engineering, quant
Order Book Imbalance (OBI) quantifies the disparity between buy and sell pressure in a Limit Order Book (LOB) and serves as a predictive feature for short-term price movements. By analyzing the volume at various depth levels, quantitative researchers can gauge market sentiment and potential liquidity shifts. This metric is fundamental in high-frequency trading strategies for signal generation and execution logic. Task Implement a function solution(book_data, depth) that calculates the Order Boo
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