What is Free Margin?
What does “Free Margin” mean?
Margin can be classified as either “used” or “free”.
Used Margin, which is just the aggregate of all the Required Margin from all open positions, was discussed in a previous lesson.
Free Margin is the difference between Equity and Used Margin.
Free Margin refers to the Equity in a trader’s account that is NOT tied up in margin for current open positions.
Free Margin is also known as “Usable Margin” because it’s margin that you can “use”….it’s “usable”.
Free Margin can be thought of as two things:
- The amount available to open NEW positions.
- The amount that EXISTING positions can move against you before you receive a Margin Call or Stop Out.
Don’t worry about what a Margin Call and Stop Out are. They will be discussed later.For now, just know they’re bad things. Like acne breakouts, you don’t want to experience them.
*Free Margin is also known as Usable Margin, Usable Maintenance Margin, Available Margin, and “Available to Trade“.
How to Calculate Free Margin
Here’s how to calculate Free Margin:
Free Margin = Equity - Used Margin
If you have open positions, and they are currently profitable, your Equity will increase, which means that you will have more Free Margin as well.
Floating profits increase Equity, which increases Free Margin.
If your open positions are losing money, your Equity will decrease, which means that you will also have less Free Margin as well.
Floating losses decrease Equity, which decreases Free Margin.
Example: No Open Positions
Let’s start with an easy example.
You deposit $1,000 in your trading account.
You don’t have any open positions, what is your Free Margin?
Step 1: Calculate Equity
If you don’t have any open position, calculating the Equity is easy.
Equity = Account Balance + Floating Profits (or Losses) $1,000 = $1,000 + $0
The Equity would be the SAME as your Balance.
Since you don’t have any open positions, you don’t have any floating profits or losses.
Step 2: Calculate Free Margin
If you don’t have any open positions, then the Free Margin is the SAME as the Equity.
Free Margin = Equity - Used Margin $1,000 = $1,000 - $0 Since you don’t have any open positions, there is no margin being “used”.
This means that your Free Margin will be the same as your Balance and Equity.
Example: Open a Long USD/JPY Position
Now let’s make it a bit more complicated by entering a trade!
Let’s say you have an account balance of $1,000.
Step 1: Calculate Required Margin
You want to go long USD/JPY and want to open 1 mini lot (10,000 units) position. The Margin Requirement is 4%.
How much margin (Required Margin) will you need to open the position?
Since USD is the base currency. this mini lot is 10,000 dollars, which means the position’s Notional Value is $10,000.
Required Margin = Notional Value x Margin Requirement $400 = $10,000 x .04
Assuming your trading account is denominated in USD, since the Margin Requirement is 4%, the Required Margin will be $400.
Step 2: Calculate Used Margin
Aside from the trade we just entered, there aren’t any other trades open.
Since we just have a SINGLE position open, the Used Margin will be the same as Required Margin.
Step 3: Calculate Equity
Let’s assume that the price has moved slightly in your favor and your position is now trading at breakeven.
This means that your floating P/L is $0.
Let’s calculate your Equity:
Equity = Account Balance + Floating Profits (or Losses) $1,000 = $1,000 + $0
The Equity in your account is now $1,000.
Step 4: Calculate Free Margin
Now that we know the Equity, we can now calculate the Free Margin:
Free Margin = Equity - Used Margin $600 = $1,000 - $400
The Free Margin is $600.
As you can see, another way to look at Equity is that is the sum of your Used and Free margin.
Equity = Used Margin + Free Margin
Recap
In this lesson, we learned about the following:
- Free Margin is the money that is NOT “locked up” due to an open position and can be used to open new positions.
- When Free Margin is at zero or less, additional positions cannot be opened.
Reprinted from Babypips，the copyright all reserved by the original author.
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