Cardiff Garcia of the Financial Times» Alphaville blog in an August 20, 2010 article titled, Of fat tails and mean reversion agrees with James Montier's argument
on the mean reversion and fat tails (see article below).
This would seem to indicate that, at an aggregate level at least, mean reversion is a powerful phenomenon and a pure contrarian investment strategy relying
on mean reversion should work.
My intent with this point is not to introduce a debate
on mean reversion, but simply to acknowledge the data we have historically observed across markets.
This view is broadly supported by other research
on mean reversion in earnings that I have discussed in the past, which has suggested, somewhat counter-intuitively, that in -LSB-...]
My bet is
on mean reversion... eventually, so the bet that present conditions persist is not so different.
On a mean reversion strategy we were researching, we noticed that after 10 days, 95 % of the positions end up being losers.
Does not using maximum loss stops
on a mean reversion strategy still produce the best results in terms of Compounded Annual Growth or Maximum Draw Down?
On a mean reversion strategy -LSB-...]
My previous post The Health of Stock Mean Reversion: Dead, Dying or Doing Just Fine generated good reader's suggestions on other ways to check
on mean reversion health.
I read an interesting article
on mean reversion.
I agree with your point
on mean reversion in P / E multiples.
Which markets test well given your outline
on mean reversion part I & II?
Profit target: Using a profit target
on mean reversion trades simply cuts your profit.
If the market transacts based
on mean reversion, then it's a fact.
Here are a few examples of Graham's strategies which depend
on mean reversion in business fundamentals (which presumably will also result in market's weighing machine function playing out)
In the next post, I will show results of doing an IS and OOS testing
on a mean reversion strategy and how picking only one variation can be dangerous.
Not exact matches
Valuations
on high - yielding stocks may have become overstretched in the historically low - yield environment, potentially making them vulnerable if the markets experience a
mean reversion shift.
During my review of several quantitative trading books and papers, I kept
on seeing information
on two classes of trading strategies:
mean reversion and momentum.
I thought the things I read explained
mean reversion quite clearly, but I wasn't entirely clear
on how to implement momentum investing
And
mean reversion is always in the
on - deck circle, playa.»
Greenspan mistakenly assumed he could kick the can down the road indefinitely, and he intentionally prevented
mean reversion on the stock markets, housing markets, and pretty well nearly all markets.
If you apply the principle of
mean reversion, history appears to favor China landing
on top during this Year of the Dragon.
From a «consensual positioning» perspective which touches
on this current «
mean -
reversion dynamic in the marketplace: say this big bond rally were to gather steam into a much more punishing squeeze of the «all - time» UST short base (largely due to the previously mentioned lack of «tolerance» for beginning of year performance pain).
Bogle, 87, called me from his Vanguard office at Valley Forge, Pa.,
on Wednesday to discuss the hedge - fund redemptions, which he attributes to a surge of competition in the sector and the inevitable «
reversion to the
mean» for returns.
Unlike most of our typical investment reports which focus
on free cash flow utilization, net asset value investing,
mean reversion of margins or special situations, this report will look at the investment merits of a company that generates little free cash flow at the moment and is somewhat of a growth investment if company management is successful in achieving its objectives.
For more
on standard deviation and
mean reversion, I invite you to download my whitepaper, «Managing Expectations: Anticipate Before You Participate in the Market.»
Gummy's (Peter Ponzo's) web site Gummy's Tutorial
on Mean Regression
Reversion to the
mean DOES exist.
I continue to believe that rates will have to go up (e.g.
reversion to the
mean, reduce the «real» value of $ 20T in US debt, expiration of «conspiracy theory» suggesting the Fed held rates
on the floor until the election to get Hillary elected, etc, etc)....
(Note for wonks: I estimated the
mean reversion level (which is very close to the historic
mean, no surprise) by regressing the one - day lagged Old VIX
on the Old VIX itself.
Have you considered using market internals (market breadth, e.g. Advance / Declines) as a filter for your
mean reversion trades
on stocks?
I was recently interviewed
on Better System Trader, click here for part one of the interview, about the steps for creating a stock
mean reversion strategy.
However, if we stick to the base rates
on fundamentals, we get a much lesser
mean reversion than we get in stock market returns.
I think your point about using CAPE across countries as a way of allocating money across global equity markets is a good one but it does draw
on the cross sectional version of
mean reversion, not the time version that many in the market are using CAPE for right now.
A company with a high return
on net assets ratio, profit margin, or asset turnover relative to its industry median tends to have greater
mean reversion in these measures.
Some would call this a «rebalancing bonus» — a way to capitalize
on «
reversion to the
mean.»
Whether you are leaning towards a style of value investing focused
on reversion to the
mean or the one focused
on finding underappreciated compounders of capital, you will need to be able to understand what the future economics of the underlying business are likely to be.
The process of
mean reversion is built
on the presumption that the underlying distribution (whether it be a time series or cross sectional) is stationary and that while there may be big swings from year to year (or from company to company), the numbers revert back to a norm.
The nature of markets, though, is that every point of view has a counter, and it should come as no surprise that just as there are a plethora of strategies built around
mean reversion, there are almost as many built
on the presumption that it will not happen, at least during a specified time horizon.
There are other prizes
on that page, including
mean -
reversion, an improved Fed Model, Dollar - weighted vs. Time - weighted returns, limitations
on academic financial research, demography, etc..
Can you provide some basic foundational knowledge
on basics of
mean reversion.
«I've only worked with Cesar briefly
on the development of some
mean reversion strategies.
These can be trending or
mean reversion systems, but
on a shorter time frame — Weissman cites that these generate signals for trades that last 10 days or less.
Aside from trend - following systems, there are systems that are based
on the «
mean reversion» theory.
Two concepts that support buying stocks
on dips are
reversion to the
mean and market sentiment.
There is a tradeoff between taxes, fees and expenses and benefitting from
mean reversion are at work here and I personally err if at all
on the side of avoiding taxes, fees and expenses.
-LSB-...] The Health of Stock
Mean Reversion: Dead, Dying or Doing Just Fine [Alvarez Quant Trading] My second post on this blog was a look at mean reversion, Is mean revers
Reversion: Dead, Dying or Doing Just Fine [Alvarez Quant Trading] My second post
on this blog was a look at
mean reversion, Is mean revers
reversion, Is
mean reversionreversion dead?
One of the most fascinating examples of the phenomenon of
mean reversion was identified by Werner F.M. DeBondt and Richard H. Thaler in Further Evidence
on Investor Overreaction and Stock Market Se...
On reflection, i suspect then that the above graph doesn't just capture
mean -
reversion in CAPE, but also
mean reversion in the other factors contributing to total return — inflation, dividends, and growth rates.
Granted, such a prediction would be entirely pinned
on the assumptions of
mean reversion (to 6 % growth p / a, and to a CAPE of 15), but it might provide an alternative (or at least discussion worthy)
means of testing the predictions of the model.
As for the Treasury market — the yield
on the securities will always serve as an aid to
mean -
reversion, and if there is no fundamental change, it will happen quickly.