Your Question:
"I own 20 stocks, why did they all fall?"
Why Did My Diversified Portfolio with 20 Stocks Experience a Decline? Understanding Correlation and Systematic Risk in Trading
Correlation and systematic risk explained.
Last updated: February 2026
⚡Quick Answer
- •User diversified but all positions declined
- •Category: portfolio | Level: beginner
- •Applies globally
Understanding the Problem
User diversified but all positions declined
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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