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Okoora infrastructure Glossary

Understand core FX, risk, and execution concepts used across Okoora’s infrastructure.

Margin Call

What Is Margin Call?

A margin call is a demand from a broker or clearinghouse requiring an investor or trader to deposit additional funds or securities into their margin account when the account’s equity falls below the required maintenance level. It is triggered by adverse price movements and ensures the investor can continue to meet potential losses on leveraged positions.

How It Works

When trading on margin, investors borrow funds to increase their exposure. Brokers require an initial margin when opening a position and monitor the account through daily mark-to-market practices. If losses reduce the account’s equity below the maintenance margin, a margin call is issued. The investor must then deposit additional capital or risk forced liquidation of positions.

Example

Suppose an investor buys $20,000 in securities using $10,000 of their own funds and $10,000 borrowed from the broker. If the value drops to $15,000, their equity becomes $5,000. If the maintenance margin requirement is 50%, the account should have $7,500 in equity (50% of $15,000). Since it only has $5,000, the investor receives a $2,500 margin call.

Key Concepts / Components

  • Initial Margin: The upfront deposit required to open a leveraged position, usually a percentage of the total trade value.
  • Maintenance Margin: The minimum equity that must be maintained to avoid a margin call, often lower than the initial margin.
  • Margin Shortfall: The amount needed to restore the account’s equity to the maintenance level after a drop in value.
  • Equity: The current value of the investor’s holdings minus borrowed funds, representing ownership in the account.

When It’s Used

Margin calls are most common in volatile markets, where price swings can quickly erode account equity. They are especially critical in:

  • Futures and options trading, where leverage levels are higher
  • Day trading accounts with high turnover and risk
  • Institutional margin accounts with large positions requiring constant monitoring

Failure to meet a margin call may lead to forced liquidation, where the broker sells off assets without consent to cover the shortfall. This can compound losses if market conditions are unfavorable at the time of liquidation.

Related Terms

References

Mid PriceMonetary Policy ImpactMonte Carlo VaRMargin