Direct answer
Margin Level is a ratio that compares your account equity to the amount of margin currently locked by your open positions. It is related to leverage and margin concepts, but it is not the same thing: other terms describe inputs (used margin), available capacity (free margin), or contract structure (leverage). Because Margin Level is computed from account values, it can change when equity changes, even if no new trades are opened.
In practice, Margin Level is often discussed together with leverage, used/free margin, and “margin call” or liquidation thresholds. The difference is the canonical owner of each concept:
- Leverage: comes from the trading contract design and describes exposure relative to required capital.
- Used margin: comes from your open positions and represents capital tied up as margin.
- Equity: is the account’s value including unrealized profit/loss.
- Free margin: is remaining equity available for additional margin needs.
- Margin call / liquidation: are provider/process rules that react when certain conditions are met.
Mechanism and definitions (what each concept measures)
Margin Level
A common, general definition is:
- Margin Level = (Equity ÷ Used Margin) × 100%
Equity typically includes balance plus unrealized profit/loss from open positions, so it changes as prices move. Used margin is the portion of equity required to support the open positions under the broker’s margin requirements.
This ratio turns two separate ideas—how much account value you have (equity) and how much is currently locked (used margin)—into a single number that can be compared over time.
Leverage
Leverage describes how large a position can be relative to the margin required at the time the position is opened. Conceptually, it answers: “How much exposure am I controlling per unit of margin capital?”
Leverage is mostly about the structure of what you opened; it does not, by itself, compute whether you are close to a threshold. Margin Level is the ratio that later reflects how equity has changed versus the locked margin.
Used margin
Used margin is the capital requirement associated with open positions. It is an input to Margin Level.
Two traders could have the same used margin while having different equity (because of different unrealized P/L). In that case, their Margin Level would differ.
Free margin
Free margin is typically:
- Free margin = Equity − Used margin
This is not a ratio; it is an amount. It answers: “How much equity is currently available beyond what is locked for existing positions?”
While free margin and Margin Level often move together (because both depend on equity and used margin), they are not identical. A ratio can look different from an absolute amount depending on the size of used margin.
Margin call / liquidation thresholds
A margin call or liquidation event is not a pure mathematical identity; it is a rule applied by the provider (and sometimes by specific account policies). The provider decides which thresholds to use and what actions occur when they are breached.
So even if two platforms use the same formula for Margin Level, the trigger behavior can differ.
Evidence or example (bounded, with explicit assumptions)
Assume the following stable inputs for a moment:
- Used margin: 2,000
- Equity now: 3,000
Then:
- Margin Level = (3,000 ÷ 2,000) × 100% = 150%
- Free margin = 3,000 − 2,000 = 1,000
Now assume prices move and unrealized profit turns into unrealized loss, changing only equity:
- Equity falls to 2,400
- Used margin stays at 2,000 (a simplified assumption until positions or margin requirements change)
Then:
- Margin Level = (2,400 ÷ 2,000) × 100% = 120%
- Free margin = 2,400 − 2,000 = 400
What this illustrates (and what it does not):
- Margin Level is sensitive to equity changes because equity sits in the numerator.
- Used margin is also a lever for the ratio because it sits in the denominator, so increasing open position size can lower Margin Level even if equity is unchanged.
- Free margin and Margin Level both reflect risk pressure, but one is an amount and the other is a percentage ratio.
Limitations and risks (what can break the comparison)
Provider rules can change outcomes
Even with the same conceptual formulas, margin call and liquidation behavior depends on provider policy, thresholds, and operational details. Some systems may use different definitions (for example, whether they reference equity or another “margin-related” measure), so you need to verify the exact calculation method in the provider’s account documentation.
Margin Level can be misleading if you mix definitions
Common confusion happens when people treat leverage, used margin, and Margin Level as interchangeable. They are not.
- Leverage is about how positions are allowed relative to margin at entry.
- Margin Level is a ratio of equity to used margin after equity updates.
- Used/free margin describe absolute components.
If you compare numbers across platforms without confirming their definitions, you may conclude incorrectly about relative safety.
Failure mode: equity can drop quickly
A major risk limitation is that equity changes with unrealized profit/loss. During fast market moves, equity can fall faster than you expect, reducing Margin Level and potentially triggering forced actions. Margin Level is therefore a monitoring metric, not a guarantee of protection.
Costs, execution, and jurisdiction matter
Factual outcomes vary with market volatility, financing/rollover costs, spreads and execution quality, and local regulatory requirements. Historical behavior does not establish future results.
Verification or next question (how to validate independently)
To verify your understanding of Margin Level versus related concepts, check four items in your own account documentation:
- The exact formula used for Margin Level (including what measure is used as “equity”).
- How used margin is defined and whether margin requirements can change while positions remain open.
- Whether and how free margin is displayed and computed.
- The provider’s margin call / liquidation policy, including the threshold logic and the actions taken.
If you want, you can cross-check your calculations by reproducing the ratio using the same inputs shown in your platform (equity and used margin) and seeing whether the displayed Margin Level matches.
You may also want to compare Margin Level with “equity,” “balance,” and “unrealized profit/loss” terminology used by your platform, since those naming choices can differ between providers.