The $12 Trillion Fat Finger: How A “Glitch” Nearly Crashed The Global Financial System

For all the talk of how the financial world nearly ended in the aftermath of first the Lehman bankruptcy, then the money market freeze, and culminating with the AIG bailout, and how bubble after Fed bubble has made the entire financial system as brittle as the weakest counterparty in the collateral chain of some $100 trillion in shadow liabilities, the truth is that despite all the “macroprudential” planning and preparations, all the world’s credit, housing, stock, and illiquidity bubbles may be nothing when compared to the oldest “glitch” in the book: a simple cascading error which ends up taking down the entire system.

Like what happened in the great quant blow up August 2007.

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For those who may not recall the specific details of how the “quant crash” nearly wiped out all algo and quant trading hedge funds and strats in a matter of hours if not minutes, leading to tens of billions in capital losses, here is a reminder, and a warning that the official goalseeked crisis narrative “after” the fact is merely there to hide the embarrassment of just how close to total collapse the global financial system is at any given moment.

The following is a true story (courtesy of b3ta) from the archives, going all the way back to 2007:

I.T. is a minefield for expensive mistakes

There’s so many different ways to screw up. The best you can hope for in a support role is to be invisible. If anyone notices your support team at all, you can rest assured it’s because someone has made a mistake. I’ve worked for three major investment banks, but at the first place I witnessed one of the most impressive mistakes I’m ever likely to see in my career. I was part of the sales and trading production support team, but thankfully

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