Building a Real-Time Market Microstructure Analyzer for Indian Equities
Financial markets produce enormous amounts of data—but converting raw order-book updates into meaningful liquidity and order-flow signals requires more than displaying prices on a chart. I built the Real-Time Market Microstructure Analyzer, an open-source research platform that processes five-level order-book snapshots, calculates market microstructure indicators, and displays the results through…
The article introduces the Real-Time Market Microstructure Analyzer, an open-source platform designed to process five-level order-book snapshots and calculate various market microstructure indicators for Indian equities. Market microstructure is a field of study that examines how orders, trades, liquidity, and market participants interact to form prices.
The platform accepts order-book data, processes it through a streaming analytics engine, and displays the results through an interactive dashboard. Key features of the platform include bid-ask and depth-weighted spread calculations, order-flow imbalance, session VWAP and deviation bands, cumulative signed volume, Kyle's lambda, Amihud illiquidity estimates, roll spread estimates, rolling anomaly detection, OFI strategy backtesting, TWAP and replay-VWAP execution simulation, and fast API and WebSocket endpoints.
The system architecture comprises four main layers: data ingestion, analytics engine, API layer, and frontend dashboard. The platform's analytics engine calculates various market microstructure indicators, including order-flow imbalance, spreads, and VWAP, among others.
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