Settlement Risk
Settlement risk is the risk that one party to a transaction will fail to deliver the agreed securities or funds at the settlement date after the counterparty has already performed its obligation, resulting in loss equal to the difference between the contracted settlement amount and the cost of replacing the position at current market prices. It is sometimes called Herstatt risk after the 1974 failure of Bankhaus Herstatt, which defaulted between completing its Deutsche Mark receipts and its dollar payments.
Key takeaways
- Settlement risk arises from the time gap between when a transaction is agreed and when it finally settles—the exposure is highest for long settlement cycle transactions.
- Foreign exchange settlement risk (Herstatt risk) is particularly acute because FX trades involve two different currencies settling through different payment systems in different time zones.
- CLS Bank (Continuous Linked Settlement) eliminates FX settlement risk for member banks by providing simultaneous, final payment-versus-payment settlement in both currency legs.
- Securities settlement risk is mitigated by DvP (Delivery versus Payment) systems like DTC, which ensure simultaneous transfer of securities and cash.
- Replacement cost risk—the cost of re-establishing a position if the counterparty fails before settlement—is the primary financial exposure from settlement failures.
Explanation
Settlement risk has two distinct dimensions that require different risk management approaches. The first is principal risk: the risk that an institution delivers cash or securities but receives nothing in return because its counterparty fails before completing its leg of the transaction—potentially losing the full principal of the transaction. The second is replacement cost risk: the risk that a counterparty fails before settlement, requiring the non-defaulting party to re-establish the position at current market prices that may differ unfavorably from the original contract price.
The Bankhaus Herstatt collapse of June 26, 1974 is the defining historical example of principal settlement risk in foreign exchange markets. Herstatt, a West German bank active in FX trading, had received Deutsche Marks from counterparties in Germany during the German business day. After German banking supervisors closed Herstatt at 3:30 PM local time (10:30 AM New York time), Herstatt had not yet made the corresponding USD payments to its counterparties in the New York banking system. Those counterparties lost the full USD amounts they were owed—experiencing 100% principal loss on the pending settlements. The incident revealed that FX settlement, which involves two different payment systems operating in different time zones, creates a window of complete principal exposure between the first leg settling and the second leg settling.
CLS Bank (Continuous Linked Settlement), established in 2002, was specifically designed to eliminate the principal risk in FX settlement. CLS operates a multilateral payment-versus-payment (PvP) system in which both currency legs of an FX transaction settle simultaneously in central bank money. Member banks submit payment instructions to CLS's system during a synchronized settlement window; CLS batches and nets all obligations, instructing the relevant central bank real-time gross settlement (RTGS) systems simultaneously. If either leg cannot be funded, CLS does not settle either leg—eliminating principal exposure entirely. CLS now processes over $6.5 trillion in FX settlement daily, covering approximately 60–70% of global FX transaction volume.
In securities markets, settlement risk is mitigated primarily by the DvP (Delivery versus Payment) infrastructure described above. However, DvP only eliminates principal risk—replacement cost risk remains until settlement is actually completed. For transactions with long settlement cycles (T+3 for some equity markets in Asia, T+2 for Eurobonds, and longer for certain private market transactions), the price exposure over the settlement period can be significant. Market conventions typically require marking of failed trades to current prices and charging the failing party for market movements during the delay.
Counterparty credit exposure arising from pre-settlement risk must be included in banks' credit risk capital calculations under Basel III/IV. Pre-settlement exposure—the maximum loss if a counterparty defaults before a derivatives transaction settles—is calculated using current replacement cost plus a potential future exposure add-on that accounts for the possibility that the mark-to-market exposure could increase before the counterparty defaults. Banks manage this exposure through netting agreements (ISDA Master Agreements and Credit Support Annexes), which allow bilateral netting of all exposures with a counterparty before computing net replacement cost.
Formula
Settlement Risk Exposure = max(0, Current Market Value of Position - Contractual Settlement Amount) + Principal Risk during settlement window
Example
A U.S. bank enters into a spot EUR/USD trade with a European bank, agreeing to buy €100 million at a rate of 1.0800 (paying $108 million). The settlement date is T+2 (in two business days). On T+2, the U.S. bank's correspondent bank initiates the $108 million CHIPS payment to the European bank in New York. However, an hour later, the European bank's regulator announces the bank has been placed into resolution following a bank run, and the bank's TARGET2 (European RTGS) payment of €100 million to the U.S. bank's Eurozone account never occurs. The U.S. bank has now lost $108 million in principal—the full amount it sent—receiving nothing in return. The replacement cost of re-establishing the €100 million position at the now-prevailing rate of 1.0820 is an additional $200,000 loss ($108.2M - $108.0M). Without CLS membership for this trade, the bank faces full principal risk. If the trade had been submitted through CLS, neither leg would have settled after the European bank's failure was determined, and the U.S. bank would have retained its $108 million with zero principal loss.
Related terms
Basel Iii Central Bank Credit Risk Delivery Equity Exchange Exchange Rate Risk Mark To Market Monte Carlo Var Netting Risk Budget Settlement