The record itself
Before any instrument there had to be a way to say who owes what. Writing was invented for this.
Money
Tokens everyone agrees to accept. Every failure here is the moment the agreement was questioned.
Debt
Claims on someone else's future income. The oldest tradable promise, and the most reliably broken.
Ownership
Permanent divisible claims on what an enterprise earns. Younger than most people assume.
Commodities
The physical things, priced by weather, war, and the distance between where they are and where they are needed.
Real assets
Assets you can stand on. Illiquid, leveraged, and responsible for most systemic banking crises.
Derivatives
Contracts whose value comes from something else. Invented to reduce risk, repeatedly used to concentrate it.
Pooled vehicles
Vehicles that hold assets on your behalf. The convenience is real; so is the layer between you and what you own.
Modern constructions
Instruments younger than most people reading this. Short histories, so the failure record is thin rather than absent.
Every collapse, in order
Four thousand years, and the mechanisms rhyme.
Leverage against an asset assumed to keep rising. Borrowing in a unit you do not earn. A promise whose issuer decides whether keeping it is survivable. The instruments change; the failure modes are a short list.
- c. 1780 BCEBabylonThe ledger
Debt jubilees written into law
Hammurabi's code capped interest and voided debts after failed harvests; Mesopotamian kings periodically erased consumer debt outright.
The oldest ledger-keeping societies built a release valve in. Perpetual compounding against people who cannot pay was understood as a stability problem four thousand years ago.
- 1023Song ChinaCurrency
The first government paper money
Jiaozi began as merchant receipts and were taken over by the state. Later Yuan issues were printed past their backing and collapsed.
Paper money is a thousand years old and has failed repeatedly. The mechanism never changes: issuance outrunning the reason to accept it.
- 1315–1317Northern EuropeGrain
The Great Famine
Successive wet years destroyed harvests; grain prices multiplied and millions died.
Commodity prices are a physical constraint expressed in numbers. A price spike in food is not an abstraction to most of the world.
- 1324CairoGold
Mansa Musa's hajj
The Malian emperor distributed so much gold crossing Egypt that the Cairo price reportedly stayed depressed for a decade.
A store of value is only scarce until someone arrives with more of it. Supply shocks are not a modern invention.
- 1345FlorenceSovereign bonds
Edward III defaults
The English crown repudiated its debts to the Bardi and Peruzzi houses, both of which collapsed.
Sovereigns default when repaying costs more than the reputational damage. This has never stopped being true.
- 1494VeniceThe ledger
Double-entry standardised
Pacioli published what Venetian merchants already used: every entry recorded twice, so an error announces itself.
The innovation was not arithmetic but a structure where mistakes cannot hide. The same reason this app keeps raw rows append-only.
- 1494FlorenceBanks
The Medici bank fails
Overextended sovereign lending, particularly to the English crown, plus weakening control over branches.
The most sophisticated institution of its century failed for the most ordinary reason: lending to borrowers who could refuse to repay.
- 1545–1700Potosí, BoliviaSilver
The mountain that funded an empire
Vast silver output financed Habsburg Spain and drove price inflation across Europe for a century.
A monetary windfall is not the same as wealth. Spain imported bullion, exported inflation, and deindustrialised.
- 1621Banda IslandsSpices
The Banda massacre
The VOC killed or enslaved most of the Bandanese population to secure a nutmeg monopoly.
The first multinational corporation's competitive advantage was violence. This belongs in the history of finance, not outside it.
- 1636Dutch RepublicLand
Speculation follows the boom
Land and property speculation accompanied the tulip episode, financed by the same credit expansion.
Asset bubbles are usually credit events wearing an asset's clothes.
- 1637Dutch RepublicShares
Tulip mania
Bulb contracts traded at multiples of a craftsman's annual income, then collapsed within weeks.
The first speculative mania arrived within a generation of the first stock market. Recency never explains a bubble.
- 1720London and ParisShares
South Sea and Mississippi
Two schemes to swap government debt for company shares inflated and burst in the same year.
When a state and a speculative company are entangled, the state has an incentive to keep the story going.
- 1770sIndian OceanSpices
The monopoly breaks
French agents smuggled nutmeg and clove seedlings to Mauritius; cultivation spread and prices collapsed.
A monopoly on a living thing has a shelf life. Scarcity enforced by control is not the same as scarcity.
- 1789–1797FranceSovereign bonds
Assignats
Revolutionary France issued debt against confiscated church land, then printed far beyond the collateral. The paper lost nearly all value in eight years.
Backing an obligation with an asset does not help if you issue more claims than the asset covers. The failure is in the ratio.
- 1869New YorkFutures
Black Friday
An attempt to corner the gold market collapsed when the Treasury sold, ruining many participants.
Corners depend on the counterparty being unable to deliver. When that counterparty can print, the corner ends.
- 1873United StatesSilver
The Crime of '73
Silver was dropped from coinage, contracting the money supply and deepening a depression that lasted years.
Changing what counts as money redistributes wealth between debtors and creditors. It is always a political act.
- 1873PhiladelphiaCorporate debt
Jay Cooke and the railroad bust
The failure of a major railroad financier triggered a panic and a depression lasting years.
Infrastructure debt is a bet that demand arrives before the interest does. Sometimes it does not.
- 1906San FranciscoInsurance
The earthquake and fire
Claims bankrupted a dozen insurers; Lloyd's paid in full, which built its reputation permanently.
Insurance concentrates correlated risk. One event, every policy in the region, all at once.
- 1907New YorkBanks
The Knickerbocker panic
A failed copper corner triggered runs on trust companies; J.P. Morgan personally organised the rescue, which led to the Federal Reserve.
Before there was a lender of last resort there was a man. Institutions are what happens after a crisis proves that cannot be relied on twice.
- 1913Owens Valley, CaliforniaWater rights
The aqueduct
Los Angeles acquired Owens Valley water rights through agents concealing their purpose, draining the valley's agriculture.
Water rights are acquired quietly because the price changes the moment intent is known.
- 1921–1923Weimar GermanyCurrency
Hyperinflation
Prices doubled roughly every two days at the peak. Mark-denominated savings became worthless.
Currency destruction is a wealth transfer from savers to debtors. It does not feel like a market event; it feels like everything costing more.
- 1926FloridaLand
The land boom
Lots sold sight unseen at escalating prices; a hurricane and a rail embargo ended it before 1929 arrived.
Illiquid assets bought with leverage on the expectation of a greater buyer. This template has never gone out of use.
- 1929United StatesConsumer credit
Buying on margin
Investors borrowed up to 90% of a stock's price; falling prices forced selling, which drove prices lower.
Leverage converts a decline into a cascade. The mechanism is mechanical, not psychological.
- 1929–1932New YorkShares
The Great Crash
US equities fell roughly 89% peak to trough and did not regain the 1929 nominal high until 1954.
Twenty-five years to recover. Any plan whose worst case is a few bad years has not looked far enough back.
- 1933United StatesGold
Executive Order 6102
Private gold ownership was criminalised; citizens surrendered holdings at $20.67, after which the official price was raised to $35.
The asset held to escape government reach can be reached by government. Confiscation risk is part of the instrument.
- 1930sUnited StatesMortgages
The balloon that popped
Short interest-only mortgages required refinancing every few years. When credit froze, mass foreclosure followed and the long fixed mortgage was created in response.
The 'normal' mortgage is a deliberate policy artifact, designed after the previous normal failed catastrophically.
- 1963South Bend, IndianaPensions & annuities
Studebaker
The automaker's collapse left thousands of workers with a fraction of promised pensions, leading directly to ERISA.
A promise from an employer is only as durable as the employer. Pension protection law exists because of this specific failure.
- 1971WashingtonCurrency
The gold window closes
The US ended dollar convertibility to gold; the world moved to floating fiat within two years.
The monetary system every living person treats as normal is younger than most of their parents. It is an arrangement, and arrangements change.
- 1972Soviet Union and United StatesGrain
The Great Grain Robbery
The USSR quietly bought a large share of the American wheat crop; prices roughly doubled and fed into the decade's inflation.
Information asymmetry in a physical market moves prices before anyone can react. Somebody always knows first.
- 1973GlobalOil
The oil embargo
OPEC's embargo quadrupled prices, triggering inflation, rationing, and a decade of stagflation.
A single input can propagate into every price at once. Energy is not one category in a budget; it is inside all of them.
- 1974United StatesREITs
The first REIT crash
Mortgage REITs collapsed with the property downturn; the sector took a decade to recover.
A liquid wrapper on an illiquid asset does not make the asset liquid. It relocates the mismatch.
- 1975New York CityMunicipal bonds
Ford to City: Drop Dead
New York came within hours of default; federal help arrived only after severe austerity conditions.
Municipal support is discretionary and political. The backstop is a decision, not a rule.
- 1980GlobalGold
The peak and the long wait
Gold hit $850 in January 1980 and did not see that nominal level again until 2008 — in real terms, far longer.
Inflation hedges can spend decades underwater. 'Eventually' is doing a lot of work in most gold arguments.
- 1980New YorkSilver
The Hunt brothers' corner
An attempt to corner silver pushed prices to roughly $50, then collapsed over 50% in a single day when exchange rules changed.
Cornering a market means your exit has no counterparty. Leverage plus illiquidity has one ending.
- 1980–1990Latin AmericaSovereign bonds
The lost decade
Mexico's 1982 default triggered a regional crisis. Borrowing in a currency you cannot print turned a rate shock into insolvency.
Currency mismatch is the recurring killer — the same error at national scale as at household scale.
- 1980sAmerican MidwestFarmland & timber
The farm crisis
Land values collapsed by more than half after a debt-fuelled boom; thousands of farms and hundreds of rural banks failed.
Productive land is still bought with leverage, and leverage is still what breaks.
- 1986GlobalOil
The counter-shock
Saudi Arabia abandoned price defence and oil fell from $30 to under $10, bankrupting producers and contributing to the Soviet collapse.
Producers are as exposed as consumers, in the opposite direction. Every price has two victims.
- 1987New YorkOptions
Portfolio insurance
Automated hedging strategies sold into a falling market, amplifying a one-day 22% decline.
When many participants hold the same hedge, executing it simultaneously becomes the crash.
- 1989–1990United StatesHigh-yield debt
The market seizes
Drexel Burnham collapsed, the high-yield market froze, and leveraged deals financed at the peak defaulted en masse.
A market that depends on one firm to make prices is not a market. Liquidity from a single participant vanishes when they do.
- 1989–1995JapanMortgages
The land bubble
Tokyo land prices reached levels implying the Imperial Palace grounds outvalued California; the collapse took decades to work through.
Property collateral is only as good as the price assumption underneath it, and that assumption can be wrong for thirty years.
- 1989New YorkPrivate equity
RJR Nabisco
A $25bn buyout, then the largest ever, that became the case study in leverage and ego.
Deal size correlates with cycle position. The biggest transactions cluster near the top.
- 1990–TokyoShares
The Nikkei's long wait
Japan's index peaked in late 1989 and took more than three decades to return to that level.
'Stocks always recover' describes a specific market over a specific window. The counterexample is a G7 economy.
- 1990Tokyo and New YorkArt & collectibles
The Impressionist bubble
Japanese buyers using bank credit collateralised by art drove records, then the market fell sharply and works vanished from view for years.
Illiquid assets bought with leverage. The template again, in a different costume.
- 1991JapanLand
The land price collapse
Japanese land values fell for over a decade, taking the banking system with them.
When land is bank collateral, a property correction is automatically a credit crisis.
- 1992LondonForeign exchange
Black Wednesday
The pound was forced out of the European Exchange Rate Mechanism in a day despite enormous intervention.
A government can lose to a market. Pegs work until defending them costs more than abandoning them.
- 1992LondonInsurance
The Lloyd's asbestos crisis
Long-tail liabilities ruined thousands of individual Names whose liability was unlimited.
Risks can take decades to surface. A policy written in 1950 destroyed people in 1990.
- 1994Germany and SingaporeFutures
Metallgesellschaft and Barings
One firm lost over $1bn on a hedge whose maturities did not match its obligations; another was destroyed by one trader's futures positions.
A hedge that does not match the exposure in timing is a new speculative position wearing a hedge's name.
- 1994United StatesSecuritisation
The mortgage derivative blowup
Rate rises destroyed structured mortgage products; several funds and a large county went bankrupt.
Structured products fail on the risk that was structured away rather than the one that was hedged.
- 1996Tokyo and LondonIndustrial metals
The Sumitomo copper affair
A single trader accumulated a dominant position and hid roughly $2.6bn in losses over a decade.
Physical commodity markets are opaque enough for one participant to distort them for years.
- 1997BangkokForeign exchange
The baht breaks
Thailand's dollar peg failed and contagion spread across East Asia within months.
Currency pegs concentrate risk instead of removing it. The calm is real until it is not.
- 1997East AsiaConsumer credit
Dollar borrowing, local revenue
Corporate and bank borrowing in dollars against local-currency income unwound violently when currencies fell.
Borrowing in a unit you do not earn in is the same error at every scale.
- 1998GreenwichOptions
Long-Term Capital Management
A fund run by the authors of options theory failed when correlations moved together in a way the models treated as near-impossible.
Models are calibrated on periods that did not contain the event that breaks them. This is structural, not careless.
- 2001HoustonThe ledger
Enron
A ledger telling a story its own transactions did not support, sustained by entities built to keep obligations off the page.
A record is only as good as what it refuses to omit. Every accounting scandal is ultimately a provenance failure.
- 2001HoustonCorporate debt
Enron's bonds
Investment-grade rated weeks before bankruptcy, leaving bondholders with pennies.
A rating is an opinion produced by a firm paid by the issuer. Treat it as one input rather than a fact.
- 2000sUnited States and UKPensions & annuities
The great de-risking
Employers moved en masse from defined benefit to defined contribution, transferring longevity and market risk to individuals.
Risk did not disappear; it was reassigned to the person least equipped to model it. That reassignment is why tools like this exist.
- 2006 & 2013European UnionCarbon credits
Allowance prices collapse
Over-allocation twice drove EU carbon prices near zero, removing any incentive to abate.
In a market whose supply is set by policy, the political process is the fundamental. There is nothing else underneath.
- 2007–2009United States and EuropeConsumer credit
The mortgage crisis
Household debt was packaged and rated as though its risks were independent. They were correlated.
The instruments were novel. The failure was not: too much borrowing against an asset assumed to keep rising.
- 2007United StatesMortgages
Subprime
Loans underwritten on the assumption prices would keep rising, bundled into securities rated as though defaults were independent.
Correlation is the thing that kills portfolios. Every loan in the pool depended on the same house price assumption.
- 2007–2009GlobalPrivate equity
The buyout hangover
Deals financed at peak valuations with peak leverage went through bankruptcy across retail and media.
Leverage is a bet on continuity. It performs beautifully until revenue pauses.
- 2007–2008GlobalGrain
The food price crisis
Rice and wheat spiked on export bans, biofuel demand, and energy costs, triggering unrest in dozens of countries.
Commodity shocks propagate into political instability faster than into financial markets.
- 2007–2009GlobalSecuritisation
CDOs
Pools of subprime loans rated AAA on the assumption that regional defaults were independent. They were not.
The rating measured the model. The model's correlation assumption was the entire product.
- 2008–Zimbabwe, Venezuela, Lebanon, ArgentinaCurrency
The pattern continues
Four currency collapses in two decades, each following deficit, monetisation, capital flight, abandonment.
Not a historical curiosity. It is happening somewhere now, and the people it happens to were not more foolish than you.
- 2008–2015GlobalFarmland & timber
The land rush
Sovereign funds and institutions acquired agricultural land at scale after the food price crisis, often displacing existing users.
When an asset is reclassified as an investment, the people already using it rarely benefit.
- 2008New YorkInsurance
AIG
An insurer's derivative unit wrote protection on mortgage securities without reserving as an insurer would; the rescue exceeded $180bn.
Insurance written outside insurance regulation is still insurance, and still needs reserves.
- 2010New YorkIndex funds & ETFs
The Flash Crash
Several ETFs traded at pennies during a 36-minute dislocation; thousands of trades were cancelled after the fact.
An ETF's price and its holdings' value can separate exactly when you most want to sell.
- 2012GreeceSovereign bonds
The largest restructuring in history
Roughly €200bn of privately held debt written down by more than half, inside a currency union that removed devaluation as an option.
Inside the wealthiest bloc on earth, in living memory, the promise was renegotiated. 'Risk-free' is a modelling convenience.
- 2012–2016CaliforniaWater rights
Drought pricing
Water trading prices rose more than tenfold during severe drought, revealing the value of senior rights.
Scarcity pricing in a necessity is politically unstable regardless of how sound the market design is.
- 2013DetroitMunicipal bonds
The largest municipal bankruptcy
$18bn in obligations restructured; both bondholders and pensioners took losses.
A tax base can leave. Unlike a sovereign, a city cannot print and cannot stop residents from moving.
- 2014TokyoCryptocurrency
Mt. Gox
The dominant exchange lost roughly 850,000 bitcoin and collapsed.
An asset with no counterparty risk, held at a custodian, has counterparty risk. The property is in the protocol, not in your account.
- 2015ZurichForeign exchange
The franc unpegs
The Swiss National Bank abandoned its euro floor without warning; the franc moved nearly 30% in minutes and several brokers failed.
The most credible institutions can change policy overnight. 'Committed' is a statement about intent, not a guarantee.
- 2015–2016United StatesHigh-yield debt
Energy high-yield
Oil's collapse triggered a wave of shale defaults; a large fund blocked redemptions entirely.
A fund promising daily liquidity on assets that trade rarely has made a promise it cannot always keep.
- 2016Puerto RicoMunicipal bonds
Territory default
Roughly $70bn of debt, much of it held by retail investors attracted by triple tax exemption.
Tax advantages attract buyers who are not pricing the risk. The yield was compensation for something.
- 2018United StatesIndex funds & ETFs
Volatility products fail
Inverse volatility ETNs lost most of their value in a single session and were terminated.
The wrapper being an ETF says nothing about the risk inside it. Some are broad ownership; some are leveraged bets.
- 2020United StatesCorporate debt
The Fed buys corporate bonds
In March 2020 the Federal Reserve announced corporate bond purchases for the first time, halting the selloff almost immediately.
Central bank backstops now extend to private credit. That changes the risk you are actually holding, in ways not yet fully tested.
- 2020sGlobalPrivate equity
Marks that do not move
Private valuations declined far less than comparable public assets during drawdowns, because they are appraised rather than traded.
Low reported volatility can mean low measurement frequency. Smoothness is not the same as safety.
- 2020New YorkOil
Negative prices
The May 2020 WTI contract settled at minus $37 — holders paid to have oil taken away, because storage was full.
A price can go below zero when the thing is physical and holding it costs money. Models assuming positivity broke.
- 2020GlobalREITs
Retail and office
Mall and office REITs fell sharply as their tenants' business models were questioned in weeks.
Property income is only as durable as the tenants' industries. Diversification across buildings is not diversification across demand.
- 2020ChicagoFutures
The negative settlement
The expiring WTI contract settled below zero because holders had nowhere to put physical oil.
Physical settlement is not a formality. A contract obliges you to actually take the thing.
- 2021United StatesOptions
Retail option volumes
Short-dated option trading by individuals reached record share of volume, with substantial documented losses.
An instrument designed to transfer risk works equally well for concentrating it, and the packaging rarely says which you are doing.
- 2021–2023OnlineArt & collectibles
NFTs
Digital collectibles reached billions in monthly volume, then fell by well over 90% with many collections effectively unsellable.
A market whose only fundamental is what someone else will pay can go to zero and stay there, because there is no floor to arrive at.
- 2022LondonIndustrial metals
The nickel squeeze
Nickel more than doubled in hours; the LME cancelled several hours of executed trades.
An exchange can void your profitable trades to protect the exchange. Counterparty risk includes the venue itself.
- 2020sCalifornia, Florida, AustraliaInsurance
Insurers withdraw
Major carriers stopped writing property cover in wildfire and flood zones entirely.
Insurance requires the risk be estimable. When it stops being estimable, the market does not reprice — it leaves.
- 2022GlobalCryptocurrency
Terra and FTX
An algorithmic stablecoin lost its peg and erased roughly $40bn in days; a major exchange failed months later with customer funds missing.
The failure modes were bank runs and misappropriation — the oldest ones in the book, in new packaging.
- 2023California and SwitzerlandBanks
SVB and Credit Suisse
A bank run executed at the speed of a group chat, and a 167-year-old institution absorbed over a weekend.
The maturity mismatch that defines banking has not changed since Florence. Only the speed of the run has.
- 2023GlobalCarbon credits
Offset quality
Investigations found a large share of rainforest offsets from a major certifier represented no additional reduction.
A credit is a claim about a counterfactual — what would have happened otherwise. Counterfactuals are unusually hard to audit.