The LME Nickel Short That Broke an Exchange

The Short Behind the Squeeze

Tsingshan Holding Group the world's largest producer of stainless steel and nickel led by its founder Xiang Guangda a man nicknamed Big Shot in Chinese metals circles had built a huge short position in nickel futures reportedly in excess of 150,000 tonnes spread between the London Metal Exchange and private bank deals. Part of this was standard producer hedging locking in prices for future production. Part of this was abet: Xiang believed nickel prices would fall as his company's huge new Indonesian supply comes online. A producer that hedges the production it will actually deliver is safe. A larger and different short position in the form of its deliverable production is a directional trade and carries the eternal short-seller risk: losses are limitless

When a Hedge Stops Being a Hedge

That last distinction is the whole story in miniature and it's worth dwelling on because it's the part that generalizes to any producer of any good

A hedge works because the two sides cancel out. A producer sells futures against the output he will actually produce. If the price goes down the physical product sells less and the short position wins. If the price goes up the short position loses and the physical product is worth correspondingly more. The producer has fixed his income which is the only goal

Two conditions must be met for that cancellation to work and both are important here

The first is size. The hedge should not be greater than the production it compensates. Sell futures for more tons than you will produce and the excess has nothing behind it. That part is a naked short and behaves as such whatever the intention was when you put it on

The second is deliverability and it's the one that gets people hooked. A futures contract specifies exactly what grade can be awarded against it. The LME contract requires high-quality class one nickel. A producer whose production does not meet that specification cannot terminate the contract by delivering what it produces. It has to close the position by buying back the contract on the market at whatever price

Read those two together and the trap becomes visible. A producer with a huge shortage can be absolutely right about the future direction of prices maintain actual physical inventory and still be unable to use it to satisfy the position. The only way out is cash and the amount of cash required is set by the market moving against it

War Meets a Crowded Trade

The Russian invasion of Ukraine in late February 2022 changed the arithmetic overnight. Russia's Norilsk was one of the world's key suppliers of the high-quality class one nickel that the LME contract actually delivers and fears of sanctions drove up prices. On Monday March 7 nickel jumped by about two-thirds to around $48,000 a ton an all-time high and margin calls on short positions surged.They came back brutal. margin call is the stock market's demand for cash as a losing position grows; If you don't pay your broker will liquidate you meaning it buys back your short position driving the price even higher. Overnight on Tuesday March 8 that loop went vertical. In a few hours of slow trading activity in Asia nickel doubled topping $100,000 a ton quadrupling its level of days earlier

Why the Loop Accelerates

The phrase that describes this loop is worth analyzing because a brief contraction is one of the few situations in the markets where the mechanism guarantees that it will get worse before stopping

Ordinary selling pressure is self-limiting. A falling price attracts buyers who think it has fallen too much and buying stops the decline

A squeeze reverses that. The short that is being liquidated does not choose to buy because the price looks attractive. They are buying because they must and the more the price rises the more urgently they must. Demand rises with the price instead of falling with it which is the opposite of how a market is supposed to balance

Two things make it even faster. The buying is forced and not discretionary so it occurs at whatever price is quoted rather than waiting for a better one. And each buy drives the price up which increases losses on each still outstanding short which triggers the next round of calls

The timing in this case heightened everything. The vertical move occurred in a thin Asian session where there were few natural sellers to absorb the buying so each forced buy moved the price more than it would have in a deep session

And the position that needs to be bought back does not reduce as the price increases. The short still owes the same amount of tons at four times the cost which specifically means an unlimited loss

The Cancellation

At around 8 a.m. London time the LME suspended trading in nickel the first suspension of a metal since the tin crisis of 1985. Then came the decision that made history: the exchange canceled all nickel transactions carried out that morning approximately 9,000 trades worth about $12 billion restoring the market to Monday's close. Its reason given: the morning's prices would have generated19.7 billion dollars in margin calls that several of their own liquidating membersUnder the LME the market had become disorderly and cancellation was within its rules. Under its critics the exchange owned by Hong Kong Exchanges and Clearing had destroyed legitimate trades to bail out a giant Chinese client and its banks

What a Clearinghouse Actually Guarantees

The exchange's stated reason backfires on clearing members and understanding what they are explains why a price move became an existential problem for the institution and not just traders

A futures exchange eliminates the need for buyers and sellers to evaluate each other. The clearinghouse comes between them and becomes the counterparty of both so neither party cares who took the other party. That substitution is what makes a liquid anonymous market possible

The collateral behind this is not the exchange's own money in any broad sense. It depends on the clearing members who put up a margin contribute to a guarantee fund and are responsible for the obligations of their clients. When a client cannot pay the member pays. The promise to the market is actually a promise about the collective capacity of those companies

Then the chain runs in one direction. Customer losses become members' obligations and members' obligations become a clearinghouse problem only if a member fails

That's the position the LME outlined. The $19.7 billion margin adjustments were not a figure that losing traders couldn't meet which would have been their own difficulty. They were a number that the exchange concluded several of its own members couldn't meet turning a bad day for some traders into a question of solvency for the institution that guarantees each trade

Which reframes the cancellation. Whatever it was it was not primarily a judgment about fair prices. It was a decision that the mechanism that guaranteed the market could not absorb what the market had just produced

Winners Erased

The write-off does not have a neutral outcome: Every canceled trade had a winner. Hedge fund Elliott Associates which had bought nickel during the peak estimated that it lost $456 million in profits when its trades were wiped. Trading firm Jane Street estimates its losses at about $15 million.It unwound its position after months of non-compliance. The optics were terrible and the LME admitted this in subsequent reviews although it maintained that the alternative was a systemic failure

The Lawsuit

The judicial review by Elliott and Jane Street seeking approximately $472 million together argued that the LME had exceeded its powers and unlawfully favored some market users over others. In November 2023 the High Court in London ruled comprehensively in favor of the exchange: canceling trades was legal rational and within its rules given the systemic risks. The Court of Appeal dismissed Elliott's appeal in 2024 and inIn January 2025 the UK Supreme Court refused permission for a final appeal closing the case for good. The exchange won every round in court. What it lost was harder to litigate

Winning the Case and Losing the Argument

Those two results seem contradictory and they are not because the question the court answered was more limited than the question the market asked

A judicial review examines whether an agency acted within its powers and whether it was rational to make its decision. It is a test of decision-making not a repetition of the decision. A court can determine that an exchange had the right to do what it did and that the reasoning was defensible given what it knew without expressing any opinion about whether the result was fair to the people who lost $456 million in profits

That is why the LME won every round and the previous announcement still stands. The ruling established that the rules allowed cancellation. It failed to establish that market participants must feel comfortable trading somewhere where the rules allow it

And this is the sense in which the legal victory made the trading problem permanent rather than resolving it. If the courts had deemed the cancellation illegal the episode would have been a mistake correctable by a firm commitment not to repeat it. The conclusion that it was legal and rational ruled the opposite: this is what the rule book allows it held true at all levels and anyone who trades there does so with that knowledge

The participants value this not as a legal risk since the legal issue is closed but as a business condition

The Damage

Nickel trading volumes on the LME collapsed after the crisis and took years to recover with price influence filtering into Shanghai and private deals. The exchange imposed daily price limits on all its metals for the first time in its history and overhauled its risk controls and regulators tightened rules on reporting large positions in over-the-counter transactions where much of Tsingshan's short positions had been hidden from view. In retrospect theepisode is interpreted as a stress test: the pipeline failed: the crisis could be survived but only by breaking the most basic promise of the market

Daily price limits answer the other half. A limit limits the distance a price can travel in a session interrupting the feedback loop before it can run vertically and giving everyone a night to find cash or relax. What costs is access since a market that is at its limit is a market in which anyone who needs to trade cannot do so. That is the trade-off that is being made: a limited predictable delay accepted instead of unlimited price movement which is a compromise.that the exchange had not needed throughout its history

It is information reform that gets to the root. An exchange can only manage the risk it can see and a position built partly on the exchange and partly through arrangements with private banks does not present a single view of its size to anyone monitoring it. The LME was setting a margin against what it could observe while the total exposure was in places that did not report to each other

The Bottom Line

The nickel crisis concentrated every major trading lesson into 48 hours: short positions have unlimited downside over-producing hedges become speculation hidden OTC positions can take an entire market by surprise and the collateral of a clearinghouse is only as strong as its members' cash. Above all it taught that exchanges in extremis will choose survival over the sanctity of the exchanges. That knowledge now has a price and all marketsthat compete with the LME have been collecting it since March 2022