The Boundary between Level 2 Assets and Level 3 Assets
The Level 2 / Level 3 Boundary
The distinction between Level 2 and Level 3 assets, as defined under fair value accounting frameworks including ASC 820 and IFRS 13, represents a classification system based on the observability of valuation inputs rather than the intrinsic nature of the asset itself. Level 2 assets are valued using observable inputs — quoted prices for similar instruments, dealer quotations, interest rate curves, credit spreads, and other market-corroborated data. Level 3 assets, by contrast, rely on unobservable inputs derived from internal models, assumptions about projected cash flows, recovery values, discount rates, or estimates of how a hypothetical market participant would price the asset in the absence of direct market evidence. This framework applies across asset classes, including corporate credit, structured products, private loans, asset-backed securities, derivatives, and other forms of illiquid or esoteric financial instruments, and is fundamentally driven by the existence, quality, and repeatability of market activity rather than by contractual structure alone.
https://www.ifrs.org/issued-standards/list-of-standards/ifrs-13-fair-value-measurement/
Corvid Partners is a global leader in the valuation, analysis, and advisory of complex and illiquid financial instruments, with particular expertise in assets that fall near or across the Level 2 / Level 3 boundary. Members of Corvid have traded, structured, valued, and restructured a wide range of instruments across multiple market cycles, including the structured credit expansion of the early 2000s, the dislocations of the global financial crisis, the European sovereign debt crisis, the COVID-19 market shock, and the more recent environment characterized by reduced dealer balance sheet capacity, increased regulatory constraints, and episodic liquidity fragmentation. Through active participation in secondary markets, direct engagement with counterparties, and the sourcing and execution of transactions in otherwise opaque sectors, Corvid plays a central role in price discovery. In doing so, the firm contributes directly to the formation of observable market inputs, helping to transform model-driven valuations into market-corroborated pricing and, in certain cases, facilitating the transition of assets from Level 3 classification toward Level 2.
The Regulatory Origins — SFAS 157, ASC 820, and IFRS 13
The modern fair value hierarchy did not emerge in isolation, but rather as a response to decades of increasing financial complexity and periodic market dislocation. Prior to the formalization of the current framework, valuation practices across institutions were often inconsistent, with significant reliance on internal models and limited transparency regarding assumptions. The growth of derivatives markets in the 1980s and 1990s, followed by the expansion of structured finance in the early 2000s, introduced a wide range of instruments whose value could not be readily observed in active markets. This created a need for a standardized framework that would distinguish between prices derived from observable transactions and those based on internal estimation.
The foundational U.S. standard was Statement of Financial Accounting Standards No. 157, issued by the Financial Accounting Standards Board in September 2006. SFAS 157 defined fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date — the exit price concept — and established the three-level hierarchy of inputs for the first time in a single authoritative document. The standard was effective for financial reporting fiscal periods commencing after November 15, 2007, meaning it became fully operative just as the global financial crisis was beginning to stress the markets it was designed to bring transparency to. In 2011, the FASB superseded SFAS 157 with Accounting Standards Codification Topic 820, now universally referred to as ASC 820, as part of its reorganization of U.S. GAAP into the codification structure. Simultaneously, the FASB issued Accounting Standards Update 2011-04, specifically designed to align U.S. GAAP with IFRS 13, which the International Accounting Standards Board had issued in May 2011. ASU 2011-04 amended ASC 820 to ensure that fair value has the same meaning under U.S. GAAP and International Financial Reporting Standards and that their respective measurement and disclosure requirements are substantively identical except for minor differences in wording and style.
https://www.ifrs.org/issued-standards/list-of-standards/ifrs-13-fair-value-measurement/
The introduction of the fair value hierarchy formalized a distinction that practitioners had long made informally. Level 1 inputs — quoted prices in active markets for identical assets — represent the highest degree of observability. A publicly traded equity on the NYSE is the canonical Level 1 asset: its price is observable, continuous, and requires no modeling. Level 2 inputs include observable data for similar assets, quoted prices in less active markets, or market-derived parameters such as yield curves and implied credit spreads — inputs that are observable either directly or indirectly but that are not the unadjusted quoted price of the identical instrument. Level 3 inputs reflect unobservable assumptions derived from internal models. The key classification rule under ASC 820 is that an asset is classified based on the lowest level input that is significant to the overall valuation — meaning that even a single unobservable assumption, such as a recovery rate, default probability, or liquidity premium, can result in a Level 3 designation for an instrument that otherwise relies heavily on observable market data.
https://en.wikipedia.org/wiki/ASC_820
Regulatory frameworks have reinforced the importance of this hierarchy, particularly in the aftermath of the global financial crisis. Under Basel III, valuation uncertainty associated with illiquid or model-driven assets is addressed through prudent valuation adjustments, additional capital requirements, and enhanced disclosure obligations. European regulatory bodies, including the European Banking Authority and the European Central Bank, have emphasized independent price verification, model validation, and the consistent application of valuation methodologies. In the United States, the Securities and Exchange Commission has similarly focused on transparency and the robustness of fair value disclosures, particularly for assets classified as Level 3.
https://www.bis.org/bcbs/basel3.htm
https://www.eba.europa.eu/regulation-and-policy/prudent-valuation
Named Institutional Disclosures — The Scale of Level 3 at Major Banks
The practical scale of Level 3 classification across the financial system is visible in the annual disclosures that publicly traded financial institutions are required to make under ASC 820. Goldman Sachs Group Inc., in its 2024 annual report filed with the SEC, disclosed that Level 3 financial assets represented 1.2 percent of its total assets as of December 2024 and 1.5 percent as of December 2023, with the firm noting that substantially all of its financial assets and liabilities are classified in Levels 1 and 2 of the fair value hierarchy. At Goldman's total asset base of approximately $1.7 trillion, even a 1.2 percent Level 3 share implies roughly $20 billion in assets requiring model-based rather than market-based valuation. Goldman's disclosure further notes that instruments classified in Level 3 are those requiring one or more significant inputs that are not observable, and that certain Level 2 and Level 3 financial assets may require valuation adjustments for counterparty credit quality, funding risk, transfer restrictions, liquidity, and bid-offer spreads. These adjustments — invisible in the raw Level 2 designation — represent the practical reality of how observable and unobservable inputs interact at the boundary.
https://www.sec.gov/Archives/edgar/data/0000886982/000088698225000005/gs-20241231.htm
JPMorgan Chase, Bank of America, Citigroup, and Morgan Stanley make equivalent Level 3 disclosures in their annual reports, each categorizing billions of dollars of trading assets, derivatives, loans, and structured products as Level 3 because one or more significant inputs to their valuation cannot be observed in the market. These disclosures — required by ASC 820's Level 3 rollforward table, which must reconcile opening and closing balances including purchases, sales, issuances, settlements, and transfers in and out of Level 3 — represent the most granular publicly available evidence of the scale and composition of the model-driven valuation universe at major financial institutions. The requirement to disclose transfers between Level 2 and Level 3, mandated by ASU 2011-04, provides observable evidence of how the boundary moves: in stress periods, transfers into Level 3 increase as observable inputs disappear; in recovery periods, transfers out of Level 3 increase as market activity resumes and prices become observable again.
TRACE, Observable Inputs, and the Price Transparency Gap
The connection between observable market pricing and Level 2 classification is direct: for an asset to be classified as Level 2 rather than Level 3, there must be observable, corroborable market data that can be verified across multiple sources and used as the primary input to valuation. In the U.S. fixed-income market, the primary source of that observable data for OTC-traded securities is FINRA's Trade Reporting and Compliance Engine — TRACE — which has required the mandatory reporting of over-the-counter transactions in eligible fixed-income securities since its introduction in July 2002. TRACE covers U.S. dollar-denominated corporate bonds, agency debt securities, U.S. Treasury securities, and certain publicly traded asset-backed and mortgage-backed securities, providing near-real-time transaction data including price, yield, and volume that market participants and regulators can observe and use as observable inputs for fair value classification purposes.
https://www.finra.org/filing-reporting/trace
https://www.finra.org/investors/insights/what-is-TRACE
But TRACE does not cover all fixed-income markets. As noted throughout the Corvid Partners Field Guide, many of the most analytically demanding asset classes — including Title XI bonds and federal ship financing obligations, Jones Act-backed securities, Regulation XXX and AXXX securitizations, life settlement securitizations, and a range of other specialty and government-guaranteed instruments — do not carry a TRACE-eligible designation and do not appear in any publicly accessible price reporting system. Transactions in these securities occur on a bilateral over-the-counter basis, are not publicly reported, and leave no observable data trail that can be used to support Level 2 classification. The practical consequence is that these instruments are classified as Level 3 by default — not because no market exists or has ever existed for them, but because the transactions that do occur are not captured in any system that makes them observable to third parties or to the financial statement users who rely on ASC 820 disclosures. This is the most direct connection between the price reporting infrastructure that TRACE represents and the fair value classification system that ASC 820 establishes: the absence of TRACE coverage for an asset class is, in practice, a strong presumption of Level 3 classification, because the observable input requirement for Level 2 cannot be met without some form of documented, accessible transaction data.
https://diversification.com/term/trade-reporting-and-compliance-engine-trace
https://mastercompliance.com/blog/regulatory-notice-16-39-trade-reporting-compliance-engine-trace/
In practice, the boundary between Level 2 and Level 3 is not static. It reflects the continuous interaction between market activity and valuation methodology, and can shift rapidly in response to changes in liquidity, risk appetite, and macroeconomic conditions. Assets may move from Level 2 to Level 3 during periods of market stress, when trading activity declines and observable inputs become unreliable, and may subsequently return to Level 2 as liquidity improves and transactions resume.
A defining characteristic of Level 2 classification is not the existence of a deep or highly liquid market, but rather the presence of observable inputs that can be corroborated across multiple sources. These inputs may include recent transactions in the same or similar instruments, executable broker quotations, or pricing derived from comparable assets. In contrast, Level 3 classification reflects a situation in which such inputs are unavailable, inconsistent, or insufficient to support a market-based valuation. In many cases, this distinction is less about the absence of a market than about the absence of documented and verifiable evidence of that market.
Case Studies in Boundary Dynamics
Structured Credit During the Global Financial Crisis
During the 2007 to 2009 financial crisis, large segments of the structured credit market — including residential mortgage-backed securities, collateralized debt obligations, and other securitized products — experienced a collapse in liquidity. Instruments that had previously traded with observable spreads and dealer support became effectively illiquid as market participants withdrew and dealer balance sheets contracted. As a result, many of these securities were reclassified from Level 2 to Level 3 — precisely the kind of mass transfer that the ASU 2011-04 rollforward disclosure requirement was later designed to make visible in institutional financial statements.
https://www.bis.org/publ/bcbs137.pdf
https://www.federalreserve.gov
Importantly, this reclassification did not necessarily reflect a complete loss of economic value, but rather the disappearance of observable market inputs. In the absence of transactions, valuations relied on internal models incorporating assumptions about default rates, prepayment behavior, and recovery values. As distressed investors and specialized credit funds began to re-enter the market in subsequent years, selective transactions established new clearing levels, providing observable data that supported a gradual transition back toward Level 2 classification. Legacy subprime RMBS tranches that had been marked using internally modeled loss curves in 2009 began to trade in small sizes between distressed funds at levels implying specific loss assumptions, allowing those assumptions to be replaced with market-implied inputs — a direct illustration of how trading activity, even in limited volume, can shift classification by providing the observable evidence that Level 2 requires.
European Bank Capital and Sovereign Stress
During the European sovereign debt crisis, subordinated bank capital instruments and certain sovereign-linked securities experienced periods of severe volatility and reduced liquidity. While benchmark government bonds continued to trade actively, more complex or subordinated instruments often lacked consistent two-way markets, leading to increased reliance on model-based valuation and Level 3 classification.
As policy interventions stabilized markets and investor confidence improved, trading activity returned and observable spreads re-emerged. Additional Tier 1 bank capital instruments, which at times traded only by appointment — with no firm two-way dealer runs, no executable quotations available without a specific inquiry, and no published transaction data — later exhibited consistent dealer runs and cross-market spread relationships relative to senior debt, enabling observable spread inputs and supporting a return toward Level 2 classification. This episode illustrates how the same instrument can occupy different positions in the classification hierarchy at different points in the market cycle without any change in its contractual characteristics.
Private Credit and Direct Lending
The growth of private credit markets has introduced a large and expanding universe of assets that are classified as Level 3 due to limited secondary trading. Direct lending transactions are typically bilateral, bespoke, and held to maturity, with valuations derived from discounted cash flow models, comparable public spreads, and periodic third-party marks. The borrower-specific assumptions embedded in these models — projected EBITDA, leverage multiples, industry comparables — are unobservable, making Level 3 the default classification for the vast majority of private credit instruments.
However, secondary markets for private credit have begun to develop, including portfolio sales, fund-level liquidity solutions, and direct secondary transactions. Even limited trading activity can provide observable reference points, particularly when combined with comparable public market data. Sponsor-backed middle-market loans, initially valued using internal discount rates derived from comparable public leveraged loan spreads, later traded in secondary portfolio sales at defined yields — allowing those yields to serve as observable inputs for similar assets still held in primary portfolios and potentially supporting a Level 2 designation for instruments whose credit characteristics can be matched against the observable transaction evidence.
COVID-19 Market Dislocation
In March 2020, the rapid onset of the COVID-19 pandemic led to a sharp deterioration in liquidity across fixed-income markets. Bid-ask spreads widened significantly, and in some sectors, trading activity became intermittent or ceased entirely. Market participants faced challenges in determining whether observed prices reflected orderly transactions — the standard required by ASC 820 — or distressed conditions that, under the standard, should be given less weight in the valuation hierarchy.
https://www.federalreserve.gov
During this period, certain assets experienced temporary shifts toward Level 3 classification as observable inputs became less reliable. Investment-grade corporate bonds that briefly traded at highly dislocated levels with limited depth were initially treated as unreliable inputs — because ASC 820 requires that prices reflect orderly transactions, and a market characterized by forced selling and absent buyers does not meet the standard — but later regained Level 2 status as Federal Reserve intervention restored liquidity, multiple executable quotes became available, and trading normalized. The Fed's intervention in the investment-grade bond market in March and April 2020 was therefore not only a monetary policy action but a fair value accounting event: by restoring the conditions under which transactions could be described as orderly, it re-established the observable input infrastructure that Level 2 classification requires.
The Corvid Role: Creating Observability in Fragmented Markets
In fragmented structured credit markets, assets are frequently classified as Level 3 not because no market exists, but because the available evidence is insufficiently developed or documented to support observable input classification. In such cases, the transition to Level 2 requires not only valuation expertise but also direct market engagement — the transactional work of finding counterparties, establishing executable levels, and creating the documented evidence of market activity that the classification framework demands.
Corvid has been active in situations where securities — often legacy asset-backed tranches, esoteric ABS, Title XI bonds, Jones Act-backed paper, life settlement securitizations, or off-the-run structured products — were valued using internally generated assumptions due to a lack of observable inputs. By identifying counterparties with aligned risk appetites, facilitating bilateral transactions, and establishing executable levels, Corvid has helped generate the primary data points necessary for market-based valuation.
A thinly traded structured security initially valued using a discounted cash flow model with assumed spreads is transacted in small size between informed counterparties. The execution establishes a clearing level, which, when corroborated with additional dealer indications and comparable assets, provides a basis for observable inputs. Subsequent transactions reinforce this level, allowing for a transition from model-driven valuation to market-corroborated pricing. This process illustrates that the boundary between Level 3 and Level 2 is not purely analytical — it is transactional. It is understood most clearly from the trading desk level, where the mechanics of price discovery actually occur. The presence of even limited, but verifiable, market activity can fundamentally alter the classification and perception of an asset.
Industry literature has consistently highlighted the limitations of model-based valuation in the absence of market data. Pricing services, independent valuation firms, and dealer runs attempt to bridge this gap, but often rely on inferred relationships rather than direct transactions. The most robust valuations remain those supported by observable, repeatable market activity — the standard that ASC 820 codifies and that the TRACE system, for the instruments it covers, provides.
https://www.pwc.com/gx/en/services/audit-assurance/assets/pwc-fair-value-measurement.pdf
The evolution of market structure has further increased the importance of specialized participants in this process. Regulatory changes under Basel III have reduced dealer balance sheet capacity, while the growth of private and structured markets has increased the number of assets reliant on limited liquidity. In this environment, the ability to source, execute, and validate transactions becomes central to valuation — and to classification.
The Level 2 / Level 3 boundary is therefore best understood as a process of market formation. It reflects the aggregation of data, the validation of pricing through independent sources, and the demonstration that an asset can be transacted at levels consistent with observed inputs. While some assets will remain inherently Level 3 due to their bespoke nature — the kind of one-of-a-kind instruments whose valuation must always rely on model assumptions because no comparable transaction evidence can ever exist — many exist in markets that are not absent but fragmented and underdeveloped. For investors, this boundary represents both a challenge and an opportunity. Assets classified as Level 3 may offer higher yields or structural advantages, but require specialized expertise to evaluate. As markets develop and observability increases, these assets may transition toward Level 2, with implications for valuation, liquidity, and regulatory treatment.
The Connection to the Corvid Partners Field Guide
Throughout this Field Guide, the instruments described in every chapter sit somewhere on the observability spectrum that ASC 820 formalizes. Many of the most analytically demanding asset classes covered here — Title XI bonds, Jones Act-backed securities, Regulation XXX and AXXX securitizations, life settlement securitizations, catastrophe bonds in stress, distressed RMBS, legacy CDOs, and others — are Level 3 assets precisely because TRACE does not include a designation for them, no published index tracks their pricing, and secondary transactions occur bilaterally without public disclosure. This is not a defect of these asset classes but a structural characteristic of specialty and esoteric markets that, by their nature, do not produce the volume of observable, documented, repeatable transaction evidence that Level 2 classification requires. The guide's treatment of each such asset class — its legal framework, structural mechanics, named transactions, and historical performance — is designed to provide the foundational analytical context that any practitioner must have before attempting to value, trade, or advise on instruments that exist primarily in the Level 3 universe.
Conclusion
The Level 2 / Level 3 boundary is one of the most consequential distinctions in modern financial practice, determining how assets are valued on institutional balance sheets, what capital charges apply to them under Basel III, how their performance is disclosed to investors, and what regulatory scrutiny they attract. SFAS 157, issued in September 2006 and effective for fiscal periods after November 15, 2007, established the three-level hierarchy in U.S. GAAP. ASC 820 superseded it in 2011 as part of the FASB codification, and ASU 2011-04 aligned U.S. GAAP with IFRS 13. The institutional scale of Level 3 classification is visible in Goldman Sachs's 2024 disclosure that 1.2 percent of its total assets — roughly $20 billion at its reported asset base — required model-based rather than market-based valuation. The TRACE system, introduced in July 2002 and expanded progressively to cover corporate bonds, agency debt, Treasuries, and certain ABS and MBS, is the primary infrastructure through which observable inputs are generated for the OTC fixed-income market — and its exclusion of the esoteric and specialty instruments covered throughout this guide is the primary reason those instruments default to Level 3 classification regardless of whether a market for them exists. The boundary is not static, not purely analytical, and not visible from outside the market. It is transactional. It moves when trades happen, when clearing levels are established, and when observable evidence accumulates to the point where model assumptions can be replaced by market-implied inputs. Understanding that process — from the FASB standard that defines it to the trading desk mechanics that drive it — is the analytical foundation on which everything else in this guide is built.
https://www.ifrs.org/issued-standards/list-of-standards/ifrs-13-fair-value-measurement/
See Also:
The fair value classification framework described in this chapter applies directly to the valuation of every illiquid and esoteric instrument covered in the Field Guide. The following chapters describe asset classes that characteristically occupy Level 3 classification and should be read with the accounting and observability framework set out here in mind.
Asset Backed Securities — Non-agency ABS tranches, including esoteric and specialty sub-sectors, are among the most common Level 3 assets on institutional balance sheets.
Catastrophe Bonds — Cat bonds in stress, when trigger activation is pending or disputed, move from Level 2 to Level 3 as observable pricing becomes unreliable.
CDO/CLO — Mezzanine and equity CLO tranches are archetypal Level 3 assets, cited in major bank fair value disclosures as requiring significant unobservable inputs.
CMBS — Non-agency CMBS tranches and B-pieces are Level 3 assets whose valuation depends on loss assumption modeling rather than observable transaction data.
Distressed Debt — Distressed securities are among the most frequently cited Level 3 assets in institutional disclosures, as the absence of orderly transactions makes observable pricing unavailable.
Healthcare Receivables — Specialty healthcare receivables facilities and subordinated receivables positions are valued using model-based assumptions when secondary transaction evidence is absent.
High Notes — Credit-linked structured retail notes are Level 3 assets once secondary market liquidity disappears, which occurred rapidly when reference entities defaulted.
ILS Sidecars and Collateralized Reinsurance — Collateralized reinsurance positions and sidecar equity interests are inherently Level 3 due to the absence of any observable secondary market for these bilateral instruments.
Title XI Bonds — Legacy Title XI bonds are TRACE-eligible registered securities, yet their secondary market is thin, heterogeneous, and episodically traded — making the observable TRACE data an imperfect substitute for direct market engagement and leaving the Level 2 versus Level 3 classification a genuine judgment call rather than a clear answer.
Jones Act Bonds — The Jones Act collateral constraint — which restricts distressed vessel sales to the domestic buyer universe — is a first-order input in Title XI recovery analysis and a direct contributor to the valuation uncertainty that pushes legacy Title XI paper toward Level 3 classification.
Life Settlement Bonds — Life settlement securitizations are not TRACE-eligible and are valued using mortality model assumptions that are unobservable by definition.
Litigation Claims — Litigation claims are inherently Level 3 assets: the value of a contingent legal recovery cannot be derived from observable market data and must be modeled from case-specific assumptions.
Lottery Receivables — Specialty lottery receivables transactions are esoteric instruments with no TRACE coverage and limited secondary transaction evidence.
Music Royalties, Film Libraries and Entertainment IP — IP royalty streams and catalog valuations are model-driven Level 3 assets whose observable market comparables are limited and infrequently transacted.
Pinnacle Notes — Structured retail credit-linked notes became Level 3 assets when reference entity credit deteriorated and secondary market liquidity disappeared.
RMBS — Non-agency RMBS tranches, particularly subordinate positions in legacy subprime and Alt-A pools, are archetypal Level 3 assets and were the instruments whose Level 3 reclassification during the financial crisis prompted the enhanced rollforward disclosure requirements under ASU 2011-04.
Reg XXX/AXXX Securitizations — XXX and AXXX reserve financing instruments are not TRACE-eligible, and their valuation depends on actuarial assumptions about policyholder behavior that are unobservable in any market.
Bibliography
Financial Accounting Standards Board — ASC 820 Fair Value Measurement (superseded SFAS 157; three-level hierarchy; Level 3 rollforward disclosure requirement; exit price definition; lowest-significant-input classification rule)
Financial Accounting Standards Board — ASU 2011-04 (Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements; aligned U.S. GAAP with IFRS 13; transfer between Level 1 and Level 2 disclosure; Level 3 sensitivity analysis requirement)
International Accounting Standards Board — IFRS 13 Fair Value Measurement (issued May 2011; aligned with ASC 820 through FASB/IASB joint project; exit price definition; three-level hierarchy; principal market concept)
https://www.ifrs.org/issued-standards/list-of-standards/ifrs-13-fair-value-measurement/
Wikipedia — ASC 820 (SFAS 157 issued September 2006; effective fiscal periods after November 15 2007; ASC 820 superseded SFAS 157 in 2011; Level 3 rollforward reconciliation requirements; principal market and highest-and-best-use concepts)
https://en.wikipedia.org/wiki/ASC_820
PwC — Fair Value Measurement Guidance (ASC 820-10-35-37 three-level hierarchy; blockage factor prohibition; exit price mechanics; valuation technique selection)
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https://www.pwc.com/gx/en/services/audit-assurance/assets/pwc-fair-value-measurement.pdf
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https://www.sec.gov/Archives/edgar/data/0000886982/000088698225000005/gs-20241231.htm
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https://www.bis.org/bcbs/basel3.htm
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https://www.eba.europa.eu/regulation-and-policy/prudent-valuation
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https://www.bis.org/publ/bcbs137.pdf
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https://www.federalreserve.gov
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https://www.finra.org/filing-reporting/trace
FINRA — What Is TRACE and How Can It Help Me? (corporate and agency bonds 15-minute reporting; over 80% reported within 5 minutes; TRACE-eligible securities definition; ABS and MBS publicly disseminated since 2010)
https://www.finra.org/investors/insights/what-is-TRACE
Master Compliance — TRACE Regulatory Notice 16-39 (SEC approved TRACE 2001; mandatory OTC fixed-income reporting; U.S. Treasury securities added July 2017; TRACE-eligible securities definition; savings bonds excluded)
https://mastercompliance.com/blog/regulatory-notice-16-39-trade-reporting-compliance-engine-trace/
Diversification.com — TRACE Definition and Coverage (TRACE launched July 2002; municipal bonds reported to MSRB not TRACE; highly illiquid or privately placed bonds may not be TRACE-eligible; expanded scope over time)
https://diversification.com/term/trade-reporting-and-compliance-engine-trace
KPMG — Fair Value Measurement Handbook (FASB issued SFAS 157 September 2006; IASB issued IFRS 13 May 2011; ASU 2011-04 aligned U.S. GAAP and IFRS 13; IBOR reform no proposed amendments to Topic 820 or IFRS 13)
International Monetary Fund — Liquidity, Valuation, and Financial Stability
Eqvista — What Is ASC 820? (FASB introduced ASC 820 2006; dot-com bubble inconsistent valuations as motivation; three-level hierarchy; Level 3 requires exceptional research skills and methodical documentation)
https://eqvista.com/tax-guides-compliance/asc-820/
Eton Valuation — ASC 820 Complete Guide (fair value hierarchy by level; valuation techniques disclosure; Level 3 sensitivity analysis; changes over time; 10,000+ valuations completed)
https://etonvs.com/portfolio-valuation/asc-820-comprehensive-guide/
Carta — ASC 820 Fund Guide (three-level hierarchy based on liquidity; Level 3 least liquid; non-numerical justification documentation; auditor scrutiny at Level 3)
https://carta.com/learn/private-funds/management/asc-820/
Corvid Partners
The sources cited above have been referenced in good faith from publicly available materials. Corvid Partners Limited makes no warranty as to their accuracy, completeness, or currency. Transaction details, market data, spread levels, recovery figures, and historical figures cited in this chapter should be independently verified before being relied upon for any investment, structuring, or advisory purpose. Legal frameworks, market conventions, and regulatory requirements referenced herein reflect conditions as understood at the time of writing and may no longer be current. Nothing in this chapter constitutes investment, financial, legal, or tax advice. For full disclaimer see “Disclaimer” page via the Corvid Field Guide landing page. © Corvid Partners Limited 2026.