On its surface, the booming market in side bets on subprime mortgage bonds seemed to be the financial equivalent of fantasy football: a benign, if silly, facsimile of investing. Alas, there was a difference between fantasy football and fantasy finance: When a fantasy football player drafts Peyton Manning to be on his team, he doesn’t create a second Peyton Manning. When Mike Burry bought a credit default swap based on a Long Beach Savings subprime–backed bond, he enabled Goldman Sachs to create another bond identical to the original in every respect but one: There were no actual home loans or
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Fantasy Football (and Liar's Poker) are popular games in Wall St. shops.
