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What Is a Margin Deposit?

A margin deposit is the funds posted as collateral with a securities firm or similar counterparty when engaging in futures trading, options trading, margin trading, and similar transactions.

How it works

A margin deposit is not the full trade amount itself, but rather a portion of it posted as collateral. This creates leverage, allowing you to control a trade larger than the funds you have on hand, but because gains and losses are calculated on the full trade amount, the impact of price movements is larger than with a physical trade.

What to keep in mind

If unrealized losses expand and your margin falls below the required level, you will be asked to post additional margin, and if you cannot do so by the deadline, your position may be forcibly closed out. When trading on margin, maintaining a comfortable buffer in your funds and understanding your leverage level are essential.

This article is provided for general informational purposes only and does not recommend or solicit the purchase or sale of any specific investment method or security. Final investment decisions are your own responsibility.

Frequently Asked Questions

What happens if my margin deposit falls short?
If your margin falls below the required level, for example because of expanding unrealized losses, you will be asked to post additional margin (a margin call). If you cannot deposit the required amount by the deadline, your position may be forcibly closed out.
How does margin trading differ from trading with physical assets?
Trading with physical assets requires paying the full trade amount, whereas margin trading lets you control a position worth many times your margin deposit by posting only a portion of the trade amount as collateral (leverage). Because gains and losses are calculated on the full trade amount, price movements have a larger impact than with a physical trade.

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