The Archegos collapse: Bill Hwang lost $20 billion in two days

Yesterday the whole crypto market closed $544.85 million of leveraged positions in a day and traders called it a bloodbath. In March 2021 one man lost roughly forty times that on his own, in two days, and almost nobody outside his banks knew he existed. Bill Hwang ran a family office called Archegos, and the Archegos collapse is still the largest personal trading loss anyone has recorded.

How the Archegos collapse stayed invisible

Archegos managed about $36 billion. Through borrowing it controlled around $160 billion of stock exposure, and that gap is the whole story. Hwang did not buy most of those shares. He bought total return swaps, a contract where the bank holds the stock and the client takes the profit and the loss on it.

Two things follow from that arrangement. Because he never owned the shares, he never crossed the ownership thresholds that force a public filing, so his size stayed invisible. And because he spread the trade across several banks, each one saw only the slice it had written, not the position underneath.

When ViacomCBS fell in late March 2021, the collateral calls arrived at every bank at once. There was no orderly exit. Goldman Sachs and Morgan Stanley sold first and lost least. Credit Suisse sold late and wrote off $5.5 billion, a hole it never really climbed out of. Wall Street's combined damage passed $10 billion, and more than $100 billion of market value in the underlying stocks went with it.

What the court decided

A jury convicted Hwang in July 2024 on ten counts, among them wire fraud, securities fraud and market manipulation. In November of that year Judge Alvin Hellerstein sentenced him to 18 years. Prosecutors had asked for 21 years and $12.35 billion in forfeiture. By the sentencing his own net worth was about $55.3 million.

“The amount of losses that were caused by your conduct are larger than any other losses I have dealt with.”

— Alvin Hellerstein, US District Judge, Reuters, 20 November 2024

Quote source: Reuters, 20 November 2024

In 2025 he applied to the Justice Department for a pardon, a request that surfaced publicly in January this year. That is where the case sits.

The same physics, inverted

Read the mechanics again and the crypto version writes itself, with one inversion. Hwang's problem was that nobody could see his position, including the banks lending against it. On a perpetuals venue the opposite holds: the size, the entry and the liquidation price of a large wallet are public, and other traders read them deliberately. Yesterday's $456 million of closed shorts happened partly because everyone could see where the stops were sitting.

The physics underneath is identical. Leverage turns a normal move against you into a forced sale at the worst available price, and it does this faster than any human decision. A treasury company that sold bitcoin at a 40% loss this week reached the same place by a slower road.

The part worth keeping is what Archegos cost the people who were not in the trade. Pension funds held ViacomCBS. Credit Suisse employees lost jobs. Whatever a leveraged position looks like on a screen, the bill for unwinding it rarely stops at the person who opened it.

This piece is informational, not a recommendation to buy, sell, or hold any asset.