Massachusetts seems set to pass a ratio maximum, with Illinois and another dozen states right behind.

FORBES: Nurse Hoffa

The result won't always conform with a sense of how close the matches were: A winner of a five-setter in which he dropped two sets in tiebreakers and won the other three sets 6-0 probably would have a higher dominance ratio than a straight-sets win in which each set was decided by a tiebreaker.

WSJ: Heard on the Pitch

Over the years, I have found that even a short interest ratio as low as 5, when combined with a positive technical pattern, can set up a good trading opportunity.

FORBES: Don't Short These Oil Stocks

Finally, I set the valuation limits at a maximum price-to-book ratio of 4.0 and a maximum price-earnings ratio of 25.0.

FORBES: 18 Bargain Stocks From American Association Of Individual Investors

The PBOC also raised reserve requirements on banks six times in 2010, obliging them to set aside 18.5% of their deposits, a record ratio.

ECONOMIST: Price rises in China

To be fair, Hulbert does note that he was looking at a small sample size and that there have been instances where the CAPE ratio has stayed at high levels before a bear market set in.

FORBES: Are Stocks Cheap Or Expensive?

The Vickers Commission, set up the chancellor, recommended that there should be a ratio of 4.06% of pure equity capital to gross loans and investments, as what is known as a "backstop leverage cap", for the biggest banks.

BBC: Osborne and the safe size for British banks

It also set off a decadelong decline in reserves, which left banks with a record low reserve-to-loan ratio of 1.21% at the end of 2006--just in time for the housing bust to hit.

FORBES