Tracking Error
A beginner-friendly definition of tracking error.
Plain-English definition
Tracking error is the difference between a fund's performance and the performance of the benchmark it is trying to follow.
Why it matters
It helps explain why an ETF may not perfectly mirror the index written on the label.
Beginner example
A fund tracking a major index can still drift slightly because of costs, implementation, or structural factors.
Common misunderstanding
Tracking error is not always huge or alarming, but it is worth understanding when comparing funds.
Practice with Alpha Council
Explain tracking error in simple language.
Not Financial Advice
This learn page is for education and research workflow guidance only. It explains concepts, metrics, and analysis steps used inside Alpha Council. It does not provide personalized investment advice, guaranteed outcomes, or automated trading instructions.