FRM Exam Part II · Margin (Collateral) and Settlement

Central Counterparties and Clearing for FRM Part II

Updated 11 October 2026 · Fact-checked

A central counterparty (CCP) steps between two traders through novation, becoming buyer to every seller and seller to every buyer. It controls risk with initial and variation margin, a default fund and a loss waterfall. To solve questions, identify who bears the loss at each layer, in order.

Understand Central Counterparties and Clearing

A central counterparty (CCP) is a clearing house that sits in the middle of a trade. In bilateral trading, A and B face each other. If B defaults, A takes the loss. With a CCP, the original contract is replaced by two new ones: A faces the CCP and B faces the CCP. This replacement is called novation.

Novation changes who you worry about. You no longer assess B's credit. You rely on the CCP. The CCP is not risk-free. It holds the risk of every member defaulting, so it must be tough on risk control. Because it faces many members, it can also multilaterally net their trades. A member's exposure becomes one net number across all its trades in a product class, not a web of separate bilateral positions.

The CCP uses two kinds of margin. Variation margin (VM) is paid daily to reflect gains and losses, so current exposure is reset to near zero. Initial margin (IM) covers the loss that could arise between a member's last margin payment and the close-out of its position, over the margin period of risk. It is usually set from a high-confidence VaR or expected shortfall measure over a stressed period. Members also pay into a default fund (guaranty fund), a pooled resource for losses beyond the defaulter's own margin.

When a member defaults, the CCP follows a default waterfall. A typical order is: (1) the defaulter's initial margin; (2) the defaulter's default fund contribution; (3) the CCP's own capital (often called skin in the game); (4) the surviving members' default fund contributions (loss mutualization); (5) further tools such as assessments (cash calls) on members, variation margin gains haircutting, or recovery and resolution measures. Exact order and tools differ by CCP, so read what the question states. The key idea is that the defaulter pays first.

Central clearing has benefits: lower counterparty risk, multilateral netting, transparency, and standardised close-out. It has risks: concentration (CCPs become too big to fail), moral hazard (members care less about each other's credit), procyclicality (margins rise in stress, draining liquidity when it is scarcest), and liquidity strain on members who must find cash and collateral fast. Collateral demand also rises, and members often hold the same CCP's risk, linking them together.

Key formulas to remember

Novation: Trade A–B → A–CCP and CCP–B; The CCP becomes buyer to every seller and seller to every buyer. Original counterparties no longer face each other.
Variation margin: VM payment = change in mark-to-market value of the position; Paid at least daily. It resets current exposure and covers losses already incurred, not future ones.
Initial margin: IM ≈ loss at a high confidence level (VaR or ES) over the margin period of risk; Covers potential future exposure between the last margin call and close-out. Longer close-out periods and higher volatility raise IM.
Default waterfall order (typical): Defaulter's IM → defaulter's default fund → CCP capital → non-defaulters' default fund → further recovery tools; Defaulter pays first. Always check the order given in the question, as CCP rules vary.
Cover-N standard: Default fund sized to cover default of the largest member (Cover 1) or two largest (Cover 2) under extreme but plausible conditions; Cover 2 applies to CCPs that are systemically important or have complex risk profiles under international standards.
Netting benefit: Net exposure = Σ(MtM across netting set), floored at zero; Positive and negative values within a netting set offset. Multilateral netting at a CCP extends this across all members.

How to solve Central Counterparties and Clearing questions

Use this order for any CCP or clearing question, whether it is numeric or conceptual.

1Identify the setting: bilateral or centrally cleared, and who the defaulting party is.
2Name the layer in question: novation, VM, IM, default fund, CCP capital or recovery tools.
3For numeric waterfall questions, list the resources in order and write the loss against each one.
4Deduct the defaulter's own resources first, then CCP capital, then survivors' contributions. Stop when the loss is covered.
5Use the margin logic: VM covers past moves, IM covers future moves over the margin period of risk.
6For risk questions, tie each risk to its cause: procyclicality to margin models, moral hazard to mutualization, concentration to one CCP.
7Check the answer for direction: higher volatility or a longer margin period means higher IM.
8Eliminate options that say the CCP removes risk. It transforms and concentrates risk.

Quickest way: Waterfall in three lines

When to use it: Numeric waterfall questions where you must find who absorbs a loss.

Write the resources in order: defaulter IM, defaulter fund, CCP capital, survivors' fund.
Subtract from the loss, layer by layer, until it hits zero.
Report the amount absorbed by the layer the question asks about, and watch whether it counts survivors collectively or one member.

Common mistakes in Central Counterparties and Clearing

Saying a CCP eliminates counterparty risk.
Novation sounds like risk removal.
Fix: Say it replaces many bilateral exposures with one exposure to the CCP and concentrates risk.
Mixing up initial and variation margin.
Both are collateral posted to the CCP.
Fix: VM settles current gains and losses. IM protects against future losses during close-out.
Using survivors' default fund contributions before the defaulter's.
Students think of the default fund as one pool.
Fix: The defaulter's own IM and fund contribution are used first. Mutualization starts only after the CCP's own capital in a typical waterfall.
Treating procyclicality as a feature of VM only.
Margin calls are visible after price moves.
Fix: IM models also rise with volatility, so both can increase in stress. Anti-procyclicality tools include margin buffers and stressed-period calibration.
Assuming central clearing always lowers total system risk.
Benefits are taught before limits.
Fix: Net benefit depends on netting efficiency, margin quality and CCP resilience. Fragmented CCPs can reduce netting and a failure of one CCP is systemic.
Thinking larger default funds replace the need for IM.
Both are loss-absorbing resources.
Fix: IM is defaulter-pays and aligns incentives. Mutualized funds create moral hazard if they are too large relative to IM.

Worked examples

Example 1

A clearing member defaults. The CCP's close-out loss is $500 million. The defaulter's initial margin is $220 million and its default fund contribution is $30 million. The CCP's own contribution is $20 million. How much is charged to the surviving members' default fund contributions? Assume the typical order.

Show the solution

Defaulter's IM absorbs $220 million. Remaining loss: 500 − 220 = $280 million.
Defaulter's default fund contribution absorbs $30 million. Remaining: 280 − 30 = $250 million.
CCP's own capital absorbs $20 million. Remaining: 250 − 20 = $230 million.
The remaining $230 million falls on surviving members' default fund contributions.

Answer: $230 million is charged to surviving members' default fund contributions.

Example 2

During a volatility spike, a CCP raises initial margin on a member's portfolio from $80 million to $120 million. Explain the benefit and the risk of this change for the financial system.

Show the solution

Benefit: higher IM reflects greater potential future losses, so the CCP stays protected against default in the more volatile market.
Risk: the member must find $40 million (120 − 80) of extra collateral quickly, often in cash or high-quality assets.
If many members face similar calls, they may sell assets, which pushes prices down and raises volatility again.
This feedback loop is procyclicality. Tools to limit it include margin buffers built in calm markets and stressed-period calibration.

Answer: Higher IM protects the CCP but creates a $40 million liquidity demand. Across many members this is procyclical, adding to market stress.

Exam tips

For waterfall questions, always write the layers in order before touching numbers.
If the stem says survivors pay, check that the defaulter's resources and CCP capital are already exhausted.
Link margin changes to volatility and the margin period of risk. Longer period or higher volatility means more IM.
Compare bilateral and cleared trading on netting, transparency, concentration and liquidity, not on credit risk alone.
Procyclicality questions usually want cause, effect and a mitigant.

Practice questions from Margin (Collateral) and Settlement

Central Counterparties and Clearing in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

FRM Part ICentral Clearing and Central Counterparties (CCPs)

Central Counterparties and Clearing: frequently asked questions

What is the CCP default waterfall?

It is the order in which a CCP uses resources to cover losses from a member default. Typically the defaulter's initial margin and default fund contribution go first, then the CCP's own capital, then survivors' default fund contributions, then further recovery tools. The defaulter pays first.

What is the difference between initial margin and the default fund?

Initial margin is posted by each member against its own positions and covers its own potential losses. The default fund is a pooled resource that absorbs losses beyond the defaulter's margin. Part of it is mutualized across surviving members.

How does a CCP manage counterparty risk?

It uses novation, multilateral netting, daily variation margin, initial margin, a default fund, membership standards and a default waterfall. Together these make the defaulter pay first and spread any remaining loss in a defined way.

Why is central clearing procyclical?

Margin models respond to volatility. When markets fall, margin calls rise, forcing members to raise cash or collateral, which can trigger asset sales and more volatility. Buffers and stressed calibration are used to reduce this effect.