High VPIN Interpretation - Quant Trader Interview Question
Difficulty: Medium
Category: Market Microstructure
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Topics: market-microstructure, vpin, informed-trading, adverse-selection
Problem Description
In high-frequency trading, you observe a consistently high Volume-Synchronized Probability of Informed Trading (VPIN) metric for a particular stock. Assuming the VPIN calculation is accurate, what does this signal about the current market microstructure for that stock?
VPIN is designed to estimate the probability of informed trading, and higher values generally indicate more toxic flow.
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