FREE EXPLAINER · BEGINNER FOUNDATION
What Is Margin and a Margin Call?
Margin is borrowed buying power. A margin call can happen when account equity falls below a broker’s requirement.
The simple explanation
Margin is borrowed buying power. A margin call can happen when account equity falls below a broker’s requirement.
Why it matters
The broker may demand funds or close positions at a poor time.
A simple way to think about it
Maintenance margin can change, and positions can be liquidated without your preferred timing. Stress-test gaps and correlated losses.
A common beginner mistake
Assuming there will always be time to add money calmly.
What to check next
- Check that you understand the definition in plain English.
- Look at the company, market and timeframe rather than one number alone.
- Ask what could change the interpretation.
- Keep risk separate from excitement or certainty.
One calm takeaway
Margin is borrowed buying power. A margin call can happen when account equity falls below a broker’s requirement. Use it as one piece of context, never as a promise about what happens next.