JPMorgan Chase spent two years before 2008 doing the one thing every rival on Wall Street thought was a mistake: walking away from the industry's most profitable mortgage business while it was still printing money.
It started with an ordinary monthly review of the mortgage servicing book in October 2006. Late payments on loans bought from outside originators were running three times worse than the bank's own book. Jamie Dimon made a personal call to the head of the trading desk, on vacation at the time, and said the numbers looked wrong in a way he'd seen before a previous downturn. Within weeks JPMorgan was selling down its subprime holdings and pulling back from new originations, a call that cost the bank real market share -- a documented drop from third to sixth place in fixed-income underwriting rankings -- for a full year, while competitors kept climbing on the exact business being abandoned.
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That discipline is what "fortress balance sheet" actually meant once you strip out the marketing language: capital and liquidity held meaningfully above regulatory minimums, as standing policy, specifically so the firm could act when the rest of the industry couldn't.
It got tested fast. In March 2008, JPMorgan absorbed Bear Stearns in a Federal Reserve-brokered weekend deal, the initial price so low the seller's own board balked and negotiated it higher before signing. Six months later came the largest bank failure in US history: Washington Mutual, absorbed for less than a cent on the dollar of the roughly three hundred billion dollars in assets involved. Neither deal was clean. Both came wrapped in legal exposure from conduct JPMorgan hadn't caused, and both cost the bank billions in settlements over the years that followed.
This wasn't a clean win. 2008 net income came in near six billion dollars, down two-thirds from the record fifteen-billion-dollar year before. Return on equity collapsed from the low teens to four percent -- a number that would have gotten most bank CEOs fired in a normal year. JPMorgan absorbed real damage while everyone around it absorbed worse. The payoff showed up over the years that followed: the capital held back during the good years, the market share given up on purpose, the acquisitions nobody else could afford to make, together built the largest bank in the country by assets, running at roughly twice the market value of its next closest peer.
This is the narrative file on JPMorgan's 2008 mechanism. The GP/LP breakdown -- how the fortress balance sheet was actually funded years before it got tested, and the three signals that were on the public record before the crisis confirmed them -- is in the T2 episode. Same feed, same case.
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