In years to come, critics ridiculed value-at-risk calculations for ignoring the worst day in a hundred, likening them to car air bags that are designed to work all the time except during a collision. But because of the corrective power of arbitrage, ignoring the worst day in a hundred was less reckless than it appeared to be. A bad day for Long-Term would be followed by a better one. The market always tended to spring back.
