Maintenance margin is the minimum eligible equity a venue requires to keep a futures position open. Initial margin lets the position open; maintenance margin defines the ongoing floor. When account or position equity approaches that requirement, liquidation risk rises and the platform may restrict, reduce, or forcibly close exposure according to its rules.

Key takeaways

• Initial margin and maintenance margin serve different stages of a position.
• Maintenance requirement is commonly based on current notional and a tiered rate.
• Larger positions may face a higher maintenance rate.
• Mark price, fees, funding, collateral value, and other cross positions affect the buffer.
• The displayed ratio is venue-specific; never assume all exchanges use one formula.
• Monitor distance and trend before the liquidation threshold is reached.
• DRKN can frame account pressure and alerts without executing trades.

How does maintenance margin work?

A simplified requirement is:

Maintenance margin = Position notional × Maintenance margin rate

If a $50,000 position is in a 0.5% maintenance tier, the base requirement is $50,000 × 0.005 = $250. A venue may add or subtract fixed amounts, closing fees, offsets, or tier adjustments, so $250 is an illustration rather than the final platform value.

The position can remain open while eligible margin equity stays above the required level. As unrealized losses reduce equity, the buffer narrows. Once the venue's risk condition is breached, its liquidation system may cancel orders, partially reduce the position, or close it. The exact sequence belongs to the contract rules. Consider a $50,000 position where maintenance margin is $250 and eligible equity has fallen to $400 after unrealized losses — a coverage ratio of 1.6, meaning equity is only 60% above the requirement. At that point what to do when a position is close to liquidation becomes the relevant next question: adding margin, reducing size, or closing are the only three moves once the buffer has narrowed this far, and waiting for coverage to fall further only shrinks the number of options available.

How is it different from initial margin?

Initial margin is the collateral required to establish exposure. At 10× leverage, the simplified initial margin for $50,000 notional is $5,000. Maintenance margin is lower because it is not the normal operating deposit; it is the minimum floor used for risk control.

Confusing the two leads to a common error: assuming that unused initial collateral equals the entire loss buffer. Fees, funding, other positions, pending orders, and maintenance requirements all compete for account capacity. A trade can satisfy initial margin at entry and later become unsafe without any increase in size.

Leverage selected in the interface may affect initial margin more directly than maintenance rate. Maintenance is often determined by notional brackets. Reducing selected leverage does not necessarily change the bracket unless notional is reduced.

Why do maintenance tiers matter?

Tiered schedules increase requirements as position notional grows. This helps venues manage the greater difficulty of liquidating large positions. Crossing a bracket can raise required margin on some or all of the position, depending on the platform formula.

Suppose a venue applies 0.5% up to $100,000 and an adjusted 1% requirement above that level. Increasing a position from $95,000 to $110,000 may consume more buffer than the added $15,000 alone suggests. A calculator that assumes a constant rate will understate the new requirement.

Before scaling in, calculate the post-trade notional and identify its bracket. Include other positions if the account uses portfolio or cross rules. The decision question is not only “Can this order open?” but “What maintenance pressure exists after it fills?”

Apply this to your account: Review my maintenance margin. DRKN can help organize venue-reported requirements, margin utilization, exposure, and liquidation distance into an educational review. It does not place or close orders, hold collateral, or override the venue's risk engine.

What is the maintenance-margin ratio?

Interfaces often show a margin or risk ratio, but formulas differ. One intuitive review version is:

Maintenance coverage = Eligible margin equity ÷ Maintenance requirement

A coverage of 4 means equity is four times the stated requirement; moving toward 1 means the buffer is narrowing. Another venue may invert the formula and show requirement ÷ equity, where moving toward 100% is dangerous. The labels can look similar while direction is opposite.

Always read the platform definition. For alerts, store both raw components where possible—eligible equity and maintenance requirement—rather than relying only on a percentage. This makes changes explainable: did the requirement rise because size increased, or did equity fall because of PnL?

How do cross margin and collateral affect the buffer?

In isolated mode, assigned collateral and that position's PnL are the main inputs. In cross mode, eligible account balance and other open positions can expand or consume the buffer. A profitable leg may temporarily support a losing one; if both reverse, the buffer can disappear quickly. See isolated vs cross margin for how that mode choice determines which equity actually backs this buffer.

Multi-asset collateral adds another layer. A platform may discount a volatile token's collateral value. If that asset falls while the futures position loses, margin equity suffers from two directions. Stablecoin labels do not remove issuer, depeg, or platform risk.

Review collateral composition, haircuts, open-order reservations, and funding times. A static maintenance requirement beside a changing equity base is not static account risk.

A practical monitoring routine

Record current notional, maintenance tier, required margin, eligible equity, margin mode, and liquidation distance. Recalculate after every material size change and before large scheduled funding or known volatility events. Stress both a price move and a collateral-value decline where relevant.

Use an early-warning band well before the venue threshold. A useful alert says what changed: “Requirement rose after SOL order filled” or “coverage fell because BTC collateral declined.” Pair it with a prewritten review step—pause new exposure, verify exits, or reassess concentration.

DRKN can support this workflow with organized review and attention signals, but the user must confirm platform data and choose any action. A [read-only Toobit connection](/connections) is what makes this monitoring possible without giving DRKN any order-placement or withdrawal access. Maintenance margin is a constraint to monitor, not a target to trade against.

Frequently asked questions

Is a higher maintenance-margin rate always bad?

It means more equity is required for the same notional. The rate often rises because position size enters a higher risk tier.

Can maintenance margin change while size stays constant?

Yes. Mark-price notional, venue schedules, fees, funding, collateral valuation, and cross-account equity can change.

Does isolated margin remove liquidation risk?

No. It limits which collateral supports the position under venue rules, but that allocated margin can still be liquidated.

Should I use the liquidation price or margin ratio for alerts?

Use both, plus direction of change. Each catches different movements in price, equity, and requirement.

Sources

• CME Group: Margin—know what is needed
• Coinbase: Futures liquidation
• Hyperliquid documentation: Margining

Continue reading

• Liquidation price vs bankruptcy price
• Margin utilization ratio
• Gross vs net exposure

Risk disclaimer: Educational content only; not financial advice. Venue formulas can change, and leveraged futures may cause rapid losses or liquidation.