Global Master Repurchase Agreement (GMRA): Terms, Default, and Netting

The Global Master Repurchase Agreement is the standard contract that governs repurchase transactions between two parties trading across borders. Published by the International Capital Market Association (ICMA) and first released in 1992, it lets counterparties sign one master document that covers every repo they will ever trade with each other, rather than negotiating a new contract each time.¹ A repo is a sale of securities combined with an agreement to buy them back later at a slightly higher price, which functions economically as a short-term collateralized loan. The GMRA supplies the legal certainty that makes that structure work across jurisdictions.

How the Agreement Is Built

The GMRA has a modular design. The pre-printed master text contains the standard provisions that apply uniformly across the market: trading mechanics, payment obligations, delivery procedures, margin maintenance, income payments, and default remedies. Because this core is non-negotiable, a bank in London and a fund in Tokyo can sign the same document knowing their baseline rights are identical.¹

The variable portion sits in Annex I, often called the Schedule, where the parties make specific elections and add supplemental terms tailored to their relationship.¹ Beyond that, ICMA publishes a library of additional annexes that adapt the agreement to different asset classes and structures. The Equities Annex adjusts the standard terms for equity repos, where dividend treatment creates complications that do not arise with government bonds. The Buy/Sell Back Annex covers a structurally different trade variant. The Agency Annex lets a party trade on behalf of a disclosed principal rather than in its own name.²

The GMRA has been substantially revised three times since 1992, with updated versions in 1995, 2000, and 2011.³ The 2011 version remains the current market standard. The 2011 update refined the default and close-out mechanics in light of the 2008 financial crisis.

GMRA 2011 is governed by English law, and the parties submit to the exclusive jurisdiction of the English courts.⁴ Where one or both parties lack a UK office, the agreement provides for appointing a process agent in England. English law’s developed case law on financial contracts and close-out netting gives counterparties a predictable framework when a trade crosses multiple jurisdictions.

What the Parties Elect Before Trading

Before any trade happens under the GMRA, both sides complete Annex I to define the operational boundaries of the relationship. The elections that matter most fall into a few groups.

Party identification comes first. The agreement requires the precise legal name and registered address of each entity. Large financial groups operate through dozens of subsidiaries, and binding the wrong entity can make the agreement unenforceable against the one that actually defaults.

The Base Currency is a single currency (often the U.S. dollar or euro) that serves as the unit of account for calculating margin requirements and netting obligations. When collateral and cash sit in different currencies, everything converts to the Base Currency for comparison.

Eligible Securities and Margin Ratios come next. The parties specify which assets the cash provider will accept as collateral. Government bonds are the most common, though corporate debt and other instruments may qualify depending on risk appetite. For each asset class, the agreement sets a Margin Ratio, or haircut. A 102% Margin Ratio means the seller must deliver securities worth $102 for every $100 of cash received, building in a cushion against price declines.

One consequential election is whether a failure to deliver securities counts as a full Event of Default. Under the standard text, delivery failure only triggers default if the parties affirmatively elect it.⁵ Without that election, the non-delivering party’s counterpart is limited to the mini-close-out remedy described later.

Annex I also captures the designated addresses for legal notices and margin calls, payment instructions including bank account numbers and SWIFT codes, and the minimum notice periods for margin transfers. These are the plumbing through which every trade flows.

How a Single Repo Runs Under the Agreement

Once the GMRA is signed, the parties can trade under it repeatedly. Each individual repo starts on a Purchase Date, when the seller transfers the agreed securities to the buyer against simultaneous payment of the Purchase Price in cash.⁵ That simultaneous exchange matters: neither side delivers without receiving, because the standard procedure is delivery-versus-payment.

During the trade, the buyer holds the securities as legal owner, even though economically the seller retains the risk of price movements and expects to receive equivalent securities back. The trade concludes on the Repurchase Date, when the seller pays the Repurchase Price and the buyer returns equivalent securities. The Repurchase Price equals the original Purchase Price plus the Price Differential, which accrues daily by applying the agreed Pricing Rate to the outstanding cash amount.⁵ That Pricing Rate is the economic equivalent of an interest rate on the cash loan. Market participants often call it the “repo rate,” though the GMRA text uses “Pricing Rate.”

Open Versus Fixed-Term Repos

Not every repo has a scheduled maturity. An “open” repo, called “terminable on demand” in the GMRA, has no fixed Repurchase Date. Either party can end it by giving notice, with the only constraint being that the notice must allow at least the minimum settlement period needed to deliver the cash or securities.⁵ Open repos are popular for day-to-day cash management. Fixed-term repos give both sides certainty of funding through the agreed Repurchase Date.

Buy/Sell Backs

A buy/sell back is structurally similar to a classic repo but handles pricing and income differently. Under the Buy/Sell Back Annex, the Purchase Price is quoted excluding accrued interest on the underlying bonds, and the seller pays the accrued interest as a separate amount at the start of the trade.⁶ Unlike classic repos, buy/sell backs cannot be terminable on demand, and the standard income-payment provisions in paragraph 5 do not apply. The annex overrides those areas of the master, bringing what were historically informal, undocumented trades under the same close-out netting framework as classic repos.

Margin, Substitution, and Income

Markets move between the Purchase Date and the Repurchase Date, so the collateral held by the buyer may gain or lose value relative to the outstanding cash loan. The GMRA addresses this through margin transfers. At any point, if one party has a net exposure to the other because the margin has drifted from the agreed ratio, it can demand a transfer to restore the balance.⁵ If collateral values drop, the buyer calls for additional securities or cash. If they rise, the seller can request the return of excess collateral. Failure to meet a margin call within the agreed minimum period is itself an Event of Default.

Separately, the seller may want to swap out the original collateral for different securities during the life of the trade. This “substitution” right is not automatic. The seller must request it, the buyer must agree, and the replacement securities must have a market value at least equal to the securities being returned.⁷ Substitution requests typically arise when the seller needs specific bonds back to meet a delivery obligation on another trade.

Because the buyer becomes the legal owner during a repo, coupon or dividend payments from the issuer go to the buyer. Economically, though, the seller still bears the risk and reward. The GMRA resolves this by requiring the buyer to pay the seller a compensating amount equal to the income received.⁸ These compensating amounts are known as “manufactured payments” in some jurisdictions. The amount is typically the income received net of any withholding tax deducted at source. The buyer is generally not required to “gross up” the payment, unless the buyer could have avoided the withholding by using an available tax credit. Under the Equities Annex, where dividend treatment is more complex, the preferred approach is to terminate or substitute the securities before the income payment date to avoid withholding complications entirely.⁹

What Happens on Default

Paragraph 10 of the GMRA 2011 lists ten categories of Events of Default, which go well beyond the obvious ones:⁵

Payment failure: not paying the Purchase Price or Repurchase Price when due.
Delivery failure: not delivering securities within the standard settlement period, only if the parties elected this in Annex I.
Failure to pay close-out amounts due after termination.
Margin transfer failure within the agreed minimum period.
Income payment failure under the manufactured payment obligations.
Insolvency: any act of insolvency by either party.
Misrepresentation: any material representation proving incorrect when made.
Anticipatory default: a party admitting it cannot or will not perform.
Regulatory suspension: being suspended or expelled from a securities exchange, or barred from dealing by a regulator, due to financial resource or credit rating failures.
Catch-all: failure to perform any other obligation, if not remedied within 30 days of notice.

Under the 2011 version, the occurrence of any of these events is itself the Event of Default, with no preliminary notice required to establish it. The non-defaulting party must still take an affirmative step to trigger termination, however, by serving notice of up to 20 days designating an Early Termination Date for all outstanding transactions.¹⁰ A default exists the moment the event occurs, but the agreement does not unwind until the non-defaulting party pulls the trigger.

Close-Out Netting

Once an Early Termination Date is designated, all outstanding transactions accelerate and terminate simultaneously. Rather than settling each trade individually, the non-defaulting party calculates the market value of all securities and all cash obligations across every open trade and combines them into a single net amount.¹⁰ The non-defaulting party determines the close-out amount either by reference to an actual sale or purchase price, or, at its election, by market value derived from quotations obtained from market participants.

The result is a single liquidated debt owed by one party to the other. This netting mechanism is the most important legal feature of the GMRA. Without it, a party trading hundreds of repos with a defaulting counterparty would face recovering on each trade individually, with the insolvency administrator potentially “cherry-picking” which trades to honor and which to reject. Paragraph 13 reinforces this by declaring the entire agreement and all transactions under it to be a single contractual relationship.⁴

Mini-Close-Out

Not every problem justifies terminating the entire agreement. When a buyer fails to return equivalent securities on a Repurchase Date and the parties have not elected delivery failure as a full Event of Default, the seller can exercise a “mini-close-out” on just the affected transaction. Compensation is calculated as the difference between the Repurchase Price the seller owed and the market value of the undelivered securities. Any costs the seller incurs from entering a replacement trade or hedging the exposure can be included. The remaining transactions under the GMRA continue undisturbed.

Why Netting Opinions Matter

Close-out netting is only as good as the legal system that enforces it. A contractual right to net means nothing if the defaulting party’s local insolvency law lets an administrator unwind it. This is the central challenge of cross-border repos, and the GMRA’s answer is the legal opinion program maintained by ICMA.

Regulators require firms to document repo transactions under a robust master agreement supported by regularly updated legal opinions confirming that netting would be enforced in the counterparty’s jurisdiction.¹¹ Without these opinions, regulators will not allow firms to recognize the credit risk reduction from netting when calculating capital requirements and large exposures. That means holding more capital against repo positions, which makes the trade uneconomic.

ICMA’s 2025 opinion update covers 73 jurisdictions, including a new addition for Northern Ireland, and now includes coverage of the Digital Assets Annex across six European jurisdictions.¹² Before entering into a GMRA with a new counterparty, standard practice is to confirm that a favorable netting opinion exists for that counterparty’s home jurisdiction and entity type. Trading without one is technically possible, but the capital cost typically makes it impractical.

Recharacterization Risk

One legal risk the GMRA is specifically designed to mitigate is “recharacterization,” where a court decides that what the parties called a sale and repurchase was actually a secured loan. The consequences are severe. In many jurisdictions, the parties would not have performed the formalities required to create a valid pledge, because they never intended one. The cash provider could find itself relegated to the position of an unsecured creditor with no enforceable claim to the collateral.¹³ The GMRA’s detailed documentation of the transfer of title, combined with the netting opinions, provides evidence that the parties genuinely intended a sale rather than a loan, which is the best defense against recharacterization.

Regulatory Requirements That Interact With the GMRA

U.S. Treasury Central Clearing

In December 2023, the SEC adopted rules requiring that eligible secondary market transactions in U.S. Treasury securities be centrally cleared through a covered clearing agency. Cash market transactions must be centrally cleared by December 31, 2026, and repo transactions collateralized by Treasuries by June 30, 2027.¹⁴ The mandate covers repos where at least one counterparty is a direct participant of the clearing agency, with exemptions for transactions involving central banks, sovereign entities, international financial institutions, and natural persons.¹⁵

For GMRA users, a growing share of U.S. Treasury repos will flow through a central counterparty rather than remaining purely bilateral. The GMRA still governs the terms of the trade, but the clearing house interposes itself between buyer and seller, changing the credit risk profile and margin dynamics. Firms that have relied on bilateral netting under the GMRA will need to adapt their documentation and operations to accommodate the clearing requirement.

European Reporting

In Europe and the UK, the Securities Financing Transactions Regulation (SFTR) requires detailed transaction-level reporting of all repos to authorized trade repositories.¹⁶ SFTR does not alter the legal terms of the GMRA, but it imposes an ongoing operational burden. Every new repo, amendment, and termination must be reported, and the data fields are extensive.

Agency Transactions

Large asset managers and custodian banks frequently trade repos on behalf of underlying clients rather than for their own account. The GMRA’s Agency Annex governs these arrangements and imposes a strict disclosure requirement: the agent must reveal the identity and jurisdiction of the principal to the other party at or before the time the transaction is entered into.² Undisclosed principal arrangements are not permitted.

Each agency transaction is legally a trade between the principal and the other party, not between the agent and the other party. The agent is not liable as principal for performance, provided the conditions of the annex are met. A separate addendum lets a single agent act for multiple principals, but the same disclosure obligation applies to each one. If the principal is not properly disclosed, the trade may be attributed to the agent, exposing it to liabilities it never intended to bear.

1
International Capital Market Association. Frequently Asked Questions on Repo – What is the GMRA
2
International Capital Market Association. Agency Annex to GMRA 2011
3
International Capital Market Association. Global Master Repurchase Agreement (GMRA)
4
International Capital Market Association. Guidance Notes for Use with the Global Master Repurchase Agreement (2011 Version)
5
International Capital Market Association. Global Master Repurchase Agreement 2011
6
International Capital Market Association. Buy/Sell Back Annex – GMRA 2011
7
U.S. Securities and Exchange Commission. Global Master Repurchase Agreement
8
International Capital Market Association. Who Is Entitled to Receive Coupons, Dividends or Other Income Payments on a Security Being Used as Collateral in a Repo
9
International Capital Market Association. Equities Annex with Guidance Notes
10
International Capital Market Association. Guidance Notes for Use with the Global Master Repurchase Agreement (2011 Version) – Section: Events of Default
11
International Capital Market Association. ICMA GMRA Legal Opinions
12
International Capital Market Association. ICMA Publishes 2025 Legal Opinion Updates for the Global Master Repurchase Agreement
13
International Capital Market Association. Frequently Asked Questions on Repo
14
U.S. Securities and Exchange Commission. Treasury Clearing Implementation
15
eCFR. 17 CFR 240.17ad-22 – Standards for Clearing Agencies
16
International Capital Market Association. SFT Regulation (SFTR)