Those of us who love speculators but rarely trade wonder what the counters think of this comment from a market historian who is a complete hermit but (I think) a very smart guy:

1) DJIA has gone more than a month without setting a 20 day high or low
2) DJIA is confined to a range of less than 6%
3) DJIA is within 10% of a 2 year high
4) Shiller P/E is 18+

There are seven years in recorded history that fit these parameters:


Victor Niederhoffer writes: 

The counters would say that depending on where you prospectively date such events, the expectation going forward is the same as the past. However, there are a number of special numbers used like 6%,18, 2, shiller p/e, that give so many degrees of freedom that it is amazing the hermit couldn't come up with a more bearish scenario. The hermit is an ignoramous. 

Math Investors writes: 

One of the first studies of the market that one does in one's career is to examine the immediate history of major moves, particularly up moves. What happened just before it took off? We found the usual precursor to an up move tends to be rather boring. For an example just look at one of John Bollinger's "Squeeze Plays". There is certainly not a V-shaped bottom or anything definitive; just a slow sideways drift, typically with narrowing volatility. But knowing that doesn't get you to first base. The fact that the market has been boring does not mean it is going to get exciting. You must have some other input.

But what should be your other input? From years of studying this, we have our favorites*. Although a superior input is indeed better than most, the mediocre inputs aren't that bad. Because when a market is really setting up for a move, the signals tend to be writ wide across the landscape.

For example, first-year nursing students tend to get erratic results when measuring patient blood pressures. But if you had five novices take the BP, and then took the average, it would be pretty close to what an experienced nurse would get. That is, combining multiple imperfect measures is more likely to provide a good estimate than none at all. **

*Our favorites can be seen (and played with) by going to or

** This example from a book I am currently reading, "Hive Mind" by Garett Jones an Associate Professor at George Mason University. I heartily recommend it.





Speak your mind


Resources & Links