Counterparty Settlement Risk: Mitigation via CLS, DvP, and CCPs

Counterparty settlement risk is the risk that one party to a financial transaction delivers what it owes but never receives what it is owed in return, because the counterparty defaults or fails to perform at the moment of settlement. In foreign exchange, where the concept first drew global attention, a failure at that moment can cost the full principal value of the trade rather than just a market-move difference.¹² It sits alongside pre-settlement risk, and the two together mark the full timeline of counterparty exposure from trade execution to final delivery.

Settlement Risk Versus Pre-Settlement Risk

The two phases of counterparty credit risk look very different in size.

Settlement risk arises at the moment of actual exchange. One party sends an asset, currency, or payment, and the counterparty fails to deliver the corresponding leg. Because the full principal has already left the first party’s hands, the potential loss equals the entire notional value of the transaction. In foreign exchange this is sometimes called principal risk or Herstatt risk. The exposure window opens when a payment instruction becomes irrevocable and closes only when the purchased currency or asset is received with finality.¹

Pre-settlement risk, also called replacement cost risk, covers the period from trade execution up to settlement. If a counterparty defaults during that window, the non-defaulting party has to replace the contract in the open market, potentially at worse prices. The loss is the difference between the original contract value and the replacement cost, which is typically far smaller than the principal. For a three-month forward where the counterparty defaults two months in, the injured party loses whatever the market has moved against them since the trade was agreed, not the face value of the deal.³⁴

The New York Fed’s Foreign Exchange Committee has noted that the principal value at stake in settlement risk “greatly exceeds the replacement cost of the trade.”²

What a Settlement Failure Actually Looks Like

The concept of FX settlement risk entered the financial vocabulary on June 26, 1974, when German regulators shut down Bankhaus Herstatt at 3:30 p.m. Central European Time. Because U.S. markets had only just opened, Herstatt’s counterparties had already sent irrevocable Deutsche mark payments during the European business day but had not yet received the corresponding U.S. dollars. Herstatt’s New York correspondent bank suspended all dollar payments from the German bank’s account, leaving counterparties fully exposed for the entire principal of their trades.⁵⁶

The fallout was immediate. Other New York banks refused to make payments until they could confirm receipt of their own countervalue, and gross funds transferred through New York’s multilateral net settlement system dropped roughly 60% over the following three days.⁵ The structural problem is straightforward. In a cross-currency trade, each leg settles in the country of issue, often hours apart because of time zones. A bank delivering yen in Tokyo might wait twelve hours to receive dollars from New York, and during that gap the full principal is at risk.

Herstatt was not an isolated event. When the Drexel Burnham Lambert Group filed for Chapter 11 bankruptcy in February 1990, its London subsidiary was active in foreign exchange and gold markets, and counterparties feared intraday credit exposure even to the solvent subsidiaries. The Bank of England established a settlement facility, interposing itself to keep transactions flowing.⁷

On September 15, 2008, the same day Lehman Brothers filed for bankruptcy, Germany’s state-owned development bank KfW Bankengruppe sent an automated transfer of €300 million (about $426 million) to Lehman. The payment went out and was not returned. The German tabloid Bild labeled KfW “Germany’s dumbest bank.”⁸⁹

More recently, in March 2020, Barclays executed $130 million in spot FX trades with a currency exchange operation run by Indian businessman Bavaguthu Raghuram Shetty. Barclays sent the currencies it owed; the exchange failed to deliver the corresponding payments. The result was a full settlement loss.¹⁰

How Settlement Risk Is Managed

Payment-Versus-Payment Through CLS Bank

The most significant structural response to Herstatt risk was the creation of CLS Bank, which began operations in September 2002. CLS uses a payment-versus-payment mechanism to eliminate principal risk in foreign exchange: the currency sold is transferred if, and only if, the transfer of the currency bought is guaranteed. Neither leg moves without the other.¹¹¹²

CLS currently settles 18 of the most actively traded currencies and handles over $8 trillion in daily payment obligations. More than 75 financial institutions are direct settlement members, and over 38,000 entities use the platform through those members. CLS’s multilateral netting approach reduces participants’ funding requirements by more than 96%.¹³ It is designated a systemically important financial market utility by the U.S. Financial Stability Oversight Council and is supervised by the Federal Reserve Board and the Federal Reserve Bank of New York.¹²

A large share of the FX market still settles without PvP protection. The BIS Triennial Survey conducted in April 2025 showed that of roughly $14.2 trillion in daily gross FX payment obligations, about $1.4 trillion still settles through gross bilateral settlement with no risk mitigation. That is down from 32% of the market in 2006 to about 10%, but the absolute dollar amount remains enormous.¹⁴ About a quarter of the fully exposed trades were eligible for PvP but not routed through it, often because of operational cutoff times, credit-management issues with correspondent banks, or liquidity constraints. The rest were ineligible because the counterparty lacked CLS access, the currency pair was not supported, or the trade type did not qualify. The problem is particularly acute for emerging market currencies: the Chinese renminbi went from 1% of global FX market share two decades ago to 7% in 2022, but many physically settling emerging market currencies still lack access to existing PvP solutions.¹⁵

Delivery-Versus-Payment in Securities Markets

The securities-market equivalent of PvP is delivery-versus-payment, in which securities and cash change hands simultaneously with finality. DvP systems settle transactions individually so that a participant never transfers one asset without receiving the other, directly reducing principal risk. The concept became widespread industry practice after the October 1987 market crash, when G10 central banks moved to strengthen settlement procedures.¹⁶

DvP does not eliminate all risk. These systems are liquidity-intensive because each transaction settles independently, requiring participants to have sufficient cash or securities on hand. If incoming and outgoing payments do not align, the liquidity gap can be significant. Central banks that provide intraday credit to support DvP liquidity take on credit risk of their own.¹⁷¹⁸¹⁹

Central Counterparties

Central counterparties take a different approach. They insert themselves into every cleared trade, becoming the buyer to every seller and the seller to every buyer through a legal process called novation. This replaces the bilateral credit exposure between two parties with a single exposure to the CCP, which manages that risk through layered protections: initial margin against potential future losses, variation margin covering daily mark-to-market movements, multilateral netting to compress open positions, and a default fund pooled from member contributions to absorb losses if a clearing member fails.²⁰²¹

After the 2008 financial crisis, the G20 mandated that all standardized over-the-counter derivatives be cleared through a CCP, and regulators imposed higher capital charges on non-cleared bilateral trades to push more activity toward central clearing. The trade-off is concentration: CCPs pull credit, liquidity, and operational risk into a single institution.²⁰

Netting

Where full PvP or CCP clearing is unavailable, netting arrangements reduce gross settlement exposure by allowing obligations between parties to offset each other. The New York Fed’s Foreign Exchange Committee estimates that bilateral payment netting reduces the value of funds at risk by 35% to 60%, while multilateral netting through a clearinghouse can reduce funding needs by as much as 99%.²²¹⁵

Payment netting aggregates all amounts owed between two parties in a given currency on a given date into a single net payment. Netting by novation goes further, extinguishing the original gross contracts and replacing them with a single new contract for the net amount, which reduces both liquidity and credit exposure. Close-out netting is a defensive mechanism triggered by default or bankruptcy: it accelerates all outstanding contracts, marks them to market, and produces a single net payment obligation. Close-out netting prevents a bankruptcy trustee from cherry-picking profitable contracts while walking away from unprofitable ones.²³

These arrangements are only as good as the legal system will honor them. If a local court refuses to enforce a netting agreement in insolvency, the supposedly netted exposure reverts to its gross amount. ISDA, which publishes the most widely used master agreements for derivatives, maintains netting opinions covering more than 90 jurisdictions and collateral opinions for more than 60, updated annually. A survey of major global banks found no instances where close-out netting under an ISDA agreement was successfully challenged in a jurisdiction where a favorable opinion existed. A handful of jurisdictions, including Bahrain, Egypt, and Qatar, remain without favorable netting opinions.²⁴²⁵

Collateral and Margin

In bilateral OTC derivatives, collateral posting under a Credit Support Annex to the ISDA Master Agreement is the primary tool for managing replacement cost risk between execution and settlement. Variation margin covers current mark-to-market exposure, exchanged frequently so that neither party builds up a large unsecured position. Initial margin provides an additional buffer to cover the potential change in value during the period it would take to close out the portfolio if the counterparty defaulted.²⁶

These mechanisms address replacement cost risk rather than settlement risk directly. Basel guidance makes the distinction explicit: even where PvP settlement eliminates principal risk, it does not remove the replacement cost or liquidity exposure that persists until settlement is confirmed and reconciled.²⁷

The Regulatory Framework

The Basel Committee on Banking Supervision published its supervisory guidance on managing FX settlement risk in February 2013. The guidance is built around seven principles covering governance, principal risk, replacement cost risk, liquidity risk, operational risk, legal risk, and capital requirements for FX transactions. The core expectation is that banks use PvP settlement wherever practicable, and where PvP is not available, that they identify, measure, control, and reduce the size and duration of the remaining principal risk. Banks are told to treat FX settlement exposures the same way they treat other credit exposures of comparable size and duration.²⁸

In the United States, the Federal Reserve adopted the Basel Committee’s guidance through SR 13-24, which applies to the largest U.S. banking organizations, large foreign banking organizations, and any bank with significant FX activity. The letter covers FX transactions with two settlement payment flows, including spot trades, forwards, swaps, and deliverable options.²⁹ The interagency supervisory guidance on counterparty credit risk management, issued in 2011, requires institutions with large derivatives portfolios to maintain systems that measure and aggregate counterparty credit risk across the organization, employ stress testing, set counterparty limits, and keep risk management functions independent of trading operations.³⁰

On capital, the Basel framework requires banks to hold capital against counterparty credit risk using the Standardised Approach for Counterparty Credit Risk or, with regulatory approval, the Internal Models Method.³¹ It also introduced a separate capital charge for Credit Valuation Adjustment risk, reflecting the lesson from the 2008 crisis that roughly 75% of counterparty credit losses originated from CVA volatility rather than outright defaults.³²

U.S. interagency guidance also singles out wrong-way risk, which occurs when a counterparty’s probability of default rises at the same moment the exposure to that counterparty is increasing. The guidance describes wrong-way risk as having historically caused “major losses at banking organizations” and requires firms to identify and stress test for the correlation between a counterparty’s creditworthiness and the size of exposure.³³

The revised FX Global Code, published in January 2025, establishes a risk waterfall for market participants: use PvP settlement where practicable, and where it is not, employ bilateral or multilateral netting to reduce the size and duration of settlement risk. The BIS Committee on Payments and Market Infrastructures is driving ongoing work through the Payments Interoperability and Extension Taskforce, with a focus on expanding PvP access for emerging market currencies, and the Global Foreign Exchange Committee plans semiannual FX settlement surveys going forward.¹⁴

Atomic Settlement and What Comes Next

Distributed ledger technology and smart contracts have introduced the concept of “atomic settlement,” in which all legs of a transaction execute simultaneously and automatically on a shared ledger, with no time gap between delivery and payment. In theory this eliminates settlement risk entirely by making the exchange indivisible: either both sides complete or neither does.

Several real-world pilots have tested the idea. J.P. Morgan’s Onyx Digital Assets platform, used for intraday repos with tokenized deposits and collateral, had settled over $500 billion in transaction value by the end of 2022 and reported a near-zero trade fail rate. The European Investment Bank issued a £50 million digitally native bond in January 2023 on the HSBC Orion platform, which participants described as achieving instant and simultaneous DvP settlement. The Hong Kong Monetary Authority executed an $800 million HKD tokenized green bond issuance using a Goldman Sachs platform paired with a special-purpose central bank digital currency for settlement.³⁴

Federal Reserve Board member Christopher Waller said in April 2023 that tokenization holds “considerable promise,” specifically citing its programmable nature and the ability to enable atomic settlement via smart contracts. Regulatory adoption is still cautious. The BIS Committee on Payments and Market Infrastructures has described DLT as an “evolving technology that has not yet been proven sufficiently robust for wide-scale implementation,” flagging concerns about settlement finality, legal underpinnings, and interoperability with legacy systems.³⁵¹⁴

1
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2
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3
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4
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19
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