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Your Question:

"In March 2020 everything fell together"

Correlation Breakdown in Crisis: Understanding Why Diversification Failed During Market Stress

Why correlations spike during market stress.

Last updated: February 2026

Quick Answer

  • User diversified but all assets fell together
  • Category: risk | Level: advanced
  • Applies globally

Understanding the Problem

User diversified but all assets fell together

The Solution

Understanding this concept is key to making better investment decisions.

Read through the explanation below to clear your confusion.

Example Scenario

Situation: You purchased 100 shares at $100 on January 15, 2024, and sold them at $130 on November 15, 2024.

Analysis: Holding period = 10 months (less than 12 months = short-term)

Result: Gain of $3,000 taxed as ordinary income at your marginal rate.

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