The biggest enemy in investing isn't the market — it's the investor
Research suggests the average investor tends to underperform the very funds they hold — largely because they buy high (when excited) and sell low (when scared). The market did fine. The investor's behavior didn't.
These four patterns explain most of the gap. Each one is completely avoidable once you recognize it. Click each mistake to read the full story.
If you invested $1,000 in… what would it be worth today?
These are real historical scenarios. Click each to see the result — and the lesson it teaches.
If You Invested $1,000 in…
Real scenarios, approximate outcomes over each holding period. Fictional decision-makers.
Click a scenario to reveal the outcome and the lesson.
Check your understanding
An investor sells all their stocks during a 30% market crash, planning to "buy back in when things stabilize." What is the most likely outcome?
What is "survivorship bias" in the context of investment success stories?
Explore "If You Invested" on Ticker League
The If You Invested tool lets you enter any company, any date, and any amount — and see exactly what happened. It's the fastest way to build real intuition about how markets behave over time.
Final lesson: your first investment framework — five questions that give you a clear, personal plan. Then earn your certificate.