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Kelly’s betting system and portfolio configuration

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Michael J. Mauboussin recently published a paper on the legg mason website called ‘size matters’ on the Kelly criterion and importance of money management.

The paper is slightly technical on probability and an extremely good read. The key point of the paper is that investors should use the kelly criteria of defining the optimum bet size based on the edge or information advantage one has over the market. The formulae is very simple, namely

F = edge/odds

Where F is the percentage of portfolio one should bet. Edge being the expected value of the opportunity and odds being gain expected from the opportunity.

So if one has a meaningful variant perception or edge over the market (translating into a positive expected value) and expects to win big, then the above formulae helps in deciding the size of the bet as a percentage of the portfolio.

In simple terms, if one’s expected value (probability of gain*gain+probability of loss*loss) is high and the gain is also high, then one should bet heavily.

Conceptually I find the above approach very compelling. My own approach has been the similar. For example, if I am confident of a stock (after all the necessary analysis), I tend to allocate a higher amount of money. My definition of low, medium and high is around 2 % , 5% and 10 % of portfolio for a single stock.

Ofcourse the above approach is sub-optimal and would not lead to highest returns over a long period of time. It is not that I have a problem with the formulae. My problem is how do I know that my ‘edge’ is really an edge. Ofcourse whenever I have put money into a stock, the unstated assumption is that I have an edge. but then i invested in tech stocks in 2000 thinking i had an edge. Although I have a quantitative approach of going for a high expected value with a 3:1 odd, I cannot be sure.
So to safeguard myself (against my own ignorance, risk aversion or stupidity or whatever you can call it), I tend to adopt a suboptimal approach which gives me lower returns, but lets me have sound sleep (I have sleep test for risk, if I lose sleep on something, then it is too risky)

But irrespective of how one executes the above concept, it is a very sound one and should be followed to manage risk prudently

Value investing and the role of catalyst

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As a value investor I have always been concerned about a value trap. A Value trap is a company, which remains cheap forever, and you are not able to make any money out of it.

Now a company can be a value trap for a variety of reasons, which can be

1.The company performance keeps deteriorating and as a result the intrinsic value keeps going down
2.The market just ignores the company and the sector because there is nothing exciting happening in that sector and most of the companies are hardly glamorous
3.Management action can result in a value trap too. The management keeps blowing away the excess cash into unprofitable diversification instead of returning it to the shareholders

So how does one avoid a value trap. I think this is a very important consideration of value investors especially if one is investing in ‘graham’ style bargains. A ‘Catalyst’ is something which one should look out for to avoid a value trap.

A catalyst can be any of the following

1.Likely management action such as buyback, bonus etc
2.Likely asset conversion opportunities such as LBO, de-merger, accquisitions (think L&T for an example of de-merger)
3.Likely shift in demand supply in favor of the company due to changes in the business cycle – steel and commodity companies in the last few years come to mind.
4.Regulatory changes – Banking comes to mind
5.Unexpected earnings increase
6.Finally time – However one should have a defined time horizon in which one would expect the investment to work out.

So when I look at value or deep value stock, I tend to look beyond the numbers. Is there a likely catalyst, which would unlock the value, or am I getting into a value trap? and how long will it take for the catalyst to be play out. That would define my expected returns too.

Ofcourse this concept of catalyst is not some original concept of mine. It is referred to frequently by Mario gabelli and Marty whitman.

What to expect on the Blog this year

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I am planning to do a detailed study of various industry groups such as petrochemicals, FMCG, Cement, Auto etc. I would be posting an industry study and company analysis after I complete an industry. My plan is to do one industry per month. So hopefully I should be able to do 12 industries by the end of this year.

The thought of doing it in the above way came from this interview of warren buffett.

The above approach is strictly not a way of searching for undervalued stocks, but it is more of building the circle of competence which would help me in the long run.

I am wary of putting stock tips on the blog, because it is frankly a no win proposition for me. If the stock does well, irrespective of the analysis, then no one remembers it. If the stock does badly, due to a variety of reasons, and not necessarily due to my faulty analysis, then the person buying the stock based on my tip would forever curse me.

I may discuss my thoughts on stocks which I am looking at, but would not be recommending anything.

In addition I have added links to a few indian valueinvesting blogs too. You can find it under Indian blogs.

Please feel free to send me comments on what kind of content should I add further to the blog to make it more interesting.

Rational allocation of capital – A case study of Marico

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First the disclaimer – The post is not an attempt to recommend marico as an investment (and definitely at these price levels). I do own the stock and have tracked the company for more than 5 years. The post is an attempt to give an example of a company which has a rational capital allocation policy. It does not mean that there are’nt other companies which do so. But I have found only a few companies which would return cash to the shareholder than just hoard it or worse just blow it in unrelated accquistions. Actually I have held stocks of a few such companies in the past.

Marico industries just announced the accquisiton of the brand nihar from HLL india for around 100 crores (not a 100 % sure on this) . This is however not the first brand accqusition of marico.

Marico has accquired a few small brands such as manjal and oil of malabar (not sure on this one) in the past. I have seen a resonably rational attitude towards capital allocation

This is a company with a consistent ROCE of 30% + and Debt equity of less than 0.2 for around 8-10 years. The company is in an industry with low to moderate growth rates (FMCG). As a result the company has had an excess of cash for quite some time.

Over the years I have seen the company do the following with the free cash flow

  • pay down the debt through the excess cash flows to close to 0 debt position by 2003-04 (the Debt equity ratio was as high as 0.8 in 1994)
  • Resonable dividend payout ratios of 40% or higher
  • Accquisition of brands / businesses in related businesses – hair care, skin care etc such as manjal, nihar and oil of malabar.
  • Development of business in related areas through new products/ services such as kaya or through geographical expansion in bangladesh and middle-east.
  • Return money to shareholder through preference issues (there was a bonus issue, but I would not call that return of capital)

Overall I have seen the capital allocation policy of the company to be fairly rational with the ROCE in excess of 30 % for the last 10+ years . In addition the company has a fairly detailed annual report and has quarterly updates which are more detailed than the annual report of several companies. Marico discusses in fair detail its business performance for every quarter.

Although there are companies which are better in terms of growth and return on capital than marico and I hold a few of them, my comfort with marico has been higher due to transparency of the company in terms of its communication. Have a look at their investor centre (go to the menu on the left) and you will agree with me. When I look for fresh investment opportunities, I try to compare the level of disclosure and communication of that company with what I get with marico.

Investing time on understanding technology versus investing money in technology stocks

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I work in the tech industry and have always been fascinated by technology and the role it is playing in improving our lives (definitely mine – cannot think of life without broadband, internet, e-mail, google etc).

Back in 2000, during the tech bubble, like others I got swept by the internet and technology mania and went ahead in invested in technology stocks. The basic logic of my analysis was correct, but I got the valuation wrong (overpaid for the optimism). After promptly losing money and later reading munger and buffett’s thoughts on technology, I have changed my approach to technology.

I am by no means a techno-phobe. I spend time reading tech blogs, looking and trying to understand changes happening in technology and how it seems to be impacting various businesses such as newspapers, media, advertising etc. But it is diffcult to realistically forecast a technology business out for several years. It is more so for technology businesses as valuations of most of these companies is high and to make any money, one has to be able to forecast the cash flows for 5 years or more.

Over time based on what I read and based on my experience, I now prefer companies which are predictable than which will have the highest growth. My own experience has been that markets tend to pay more for growth than predictability ( FMCG v/s IT services stock ?)

At the same time the decision to invest in tech stocks also boils down to one’s investing philosophy. I have tend to have a focussed portfolio with a few names and want to hold for 3-5 years with low maintenance (quarter or annual followup). As a result it is difficult for me to hold technology stocks as it requires too much effort to follow them.

As an aside I work in IT services. So my professional career is tied to the Tech industry. The last thing I want to do is put all my eggs in the same basket. That is not the typical way of looking at diversification. But for me the income stream through my career and my stock portfolio need to diversified sufficiently. Who wants to be lose a job and also see the stock portfolio crash at the same time, because the industry hit a roadblock !!

Long term buy and hold is not long term buy and forget

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I keeping reading this debate on whether long term buy and hold is a smart strategy or is it a fad followed by buffett followers.

It would seem to me that such a discussion clearly shows that the person debating it really does not get the core idea of the approach. Long term buy and hold is not long term buy and forget. There is no such business which one can buy and forget. When there is such intense competition, one has to follow or track the company in which one is invested.

My typical approach to understand the industry and then the company in detail. If I am comfortable with the company and the industry and if the valuation is compelling, I tend to slot the company into one of the three buckets

Type 3 companies are value stocks (graham style) where the intrinsic value of the business is flat or at best increasing very slowly. I hold such companies till they come within 90% of my estimate of intrinsic value and then I sell them. I do not see a benefit of holding such companies too long if the company is selling close to the intrinsic value which is turn is flat or worse, shrinking

The other end of the spectrum are my type 1 kind of companies. These are dominant companies with strong competitive advantages and their intrinsic value is increasing at decent pace. Such companies are more of the buy and hold ‘longer’ type of companies for me. I typically read the quaterly updates for these companies and try to check if their competitive strenghts are intact and they would continue to increase their moats as time passes. I have found that selling such companies when they touch their intrinsic value (atleast my conservative estimates) has not been a good idea. Most of these companies do well over time and their intrinsic value keeps increasing. So even if the company is moderately overvalued, then I would tend to hold on. Ofcourse if the company is wildly overvalued, then I would sell the stock.

The type 2 companies are between 1 and 3. This is grey area where majority of my picks lie. Most of these companies have decent comptetive advantages and their intrinsic value increases erratically. So these kind of companies require more attention and at the end of each year, I go over my thesis and try to re-think whether I should hold onto the stock or sell it , especially if it is selling close to the intrinsic value.

All of the above is a decent amount of work. Which is why I don’t hold more than 10-12 stocks in my portfolio. But finally I think there is no buy and forget kind of stock. Ofcourse I don’t follow the stock on daily or weekly basis. My follow up is more quaterly or annual.

Increasing circle of competence

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Found this Q&A buffett had with University of Kansas Business School Students. As usual the Q&A was a learning experience for me. In particular I found the following reply interesting

Q: What sources of investment ideas are available today?
WEB: First, you need two piles. You have to segregate businesses you can understand and reasonably predict from those you don’t understand and can’t reasonable predict. An example is chewing gum versus software. You also have to recognize what you can and can not know. Put everything you can’t understand or that is difficult to predict in one pile. That is the too hard pile. Once you know the other pile, then its important to read a lot, learn about the industries, get background information, etc. on the companies in those piles. Read a lot of 10Ks and Qs, etc. Read about the competitors. I don’t want to know the price of the stock prior to my analysis. I want to do the work and estimate a value for the stock and then compare that to the current offering price. If I know the price in advance it may influence my analysis (emphasis mine). We’re getting ready to make a $5 billion investment and this was the process I used.
I used to handicap horse racing. The odds had to add to 100%. Sometimes there would be what in horse racing is referred to as an “overlay”. We’re looking for overlays in the stock market. It’s like a treasure hunt.
You can increase your sources of investment ideas by widening your circle of competence. I’ve widened my circle over the years. I only needed to understand insurance in 1951. There were enough opportunities in that sector alone.

The above answer had me thinking. I have been making an effort in trying to learn about various industries and deepen and wide my circle of competence. The process I am following is

– pick up an industry and identify the major players in the industry
– If available, read a sector analysis report from any major brokerage firm: These reports give me good starting point and allow me to develop an initial understanding of the industry
– Use the initial understanding to build my ‘industry analysis’ worksheet
– Come up with additional questions (in terms of the competitive dynamics of the industry)
– Read the AR for the major companies (initially for the current year and then for the previous)
– Update the ‘industry analysis’
– Do valuation analysis for some of the companies which may be cheap

At the end of the above process I may find some companies worth investing. A lot of times I draw a blank. But I guess it is fine because as long as I keep doing this and improving my circle of competence, opportunities will come up.

Accouting standards and EDIFAR links

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Added two links under ‘OTHER’ – one for the ICAI accounting standards and the other for EDIFAR, which the SEBI database for all the filings from listed companies.

Not exactly exciting stuff, but fairly important for an investor. I think as an investor it is crucial for me to understand the various accounting standards well and the EDIFAR database is good source of data on any company which I want to investigate. I typically read through analyst reports as a starting point (ignoring their recommendation) and then follow it up by looking at these filings for detailed information on the company.

Can offshore outsourcers end reign of Big Six?

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Found this article on cnet.com on the trend in IT outsourcing industry in the near term

Almost $100 billion in outsourcing contracts will be up for grabs in the next two years, and big players including Accenture, Electronic Data Systems and IBM could feel their grip on the market weaken due to more competition from offshore companies.


My personal view point is that indian IT services companies like infosys, wipro etc will continue to gain market share and will show high growth for the next few years. Will the profit margin hold at the current levels. I think odds are against it. With the kind wage pressures already being felt and with dollar / foreign currency risks etc, I think the odds are that margin would come down over a period of time. More likely that the margins would drop by a few points every year till stabilise at 8-10 % (or maybe a bit higher). The key variable would how long will this take ? frankly I don’t have an idea. But I think it would be key variable for the current valuations to hold. If the slide is fast, then it would be difficult for the current valuations to hold up.

Google to touch 2000 $ !!!

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Saw this recommendation on google. With google crossing 450$, I think analyst are tripping over each other in raising their price targets.

Gives me a feeling of deja-vu – remember year 2000, right after the internet bubble burst – when the conventional thought was that companies like e-bay, CISCO could not go down, because these companies had solid business models, were dominant in their industries and had a fantastic future ahead of them.

The recommendation also notes the following

Stahlman said he reached his estimate for $2,000 a share using a multiple of enterprise value, which adds market capitalization, preferred equity and debt and subtracts cash.
That’s based on the 6.2 multiple commanded by Redmond, Wash.-based Microsoft Corp., the world’s largest software maker and the company most often equated with Google as a competitor and model, he said.

Wow !! how can google be equated with microsoft ?? Don’t get me wrong …google is a great company and I love google product (I cant think of a day when I have not used the search engine). But google is not a monopoly by any stretch of imagination (which microsoft was for quite some time for OS and office products). Going forward the competition is only going to increase and I cannot think of goggle controlling the internet the way microsoft had a lock on the desktop.

The analyst predicts a sale of 100 billion some time in the future (does’nt say when) and the price of 2000 gives google a Mcap of 0.5 trillon dollars (500 billion !!!). Assuming google is doing extremely well even then, and has a Net profit margin of 20 % (current is 25 %), which I think is not very likely (but still lets assume for the sake of it). The PE at that time would still be around 25.

How many 100 billion dollar companies can grow at above average rates ?
How many 100 billion dollar companies have a net profit margin of 20 % or higher in a global market and can sustain it ?
How many 100 billion dollar companies have growths high enough to justify a PE of 25 ?

“Two things are infinite: the universe and human stupidity; and I’m not sure about the the universe.” – Albert Einstein

update : 01/20/2006

read views on google from bill miller. According to him the value of google could twice of the current price. At the same time following comments from him are worth noting

He said Google’s (Research) market-implied growth rate is about 28 percent. Consensus numbers for the company point to a 5-year growth rate of 33 percent to 35 percent, which then slows over the next 12 years to that of the overall economy, he said.
“The theoretical value of Google is still substantially higher than the market price. So the theoretically justified market cap under those assumptions is in the $240 billion range,” Miller said earlier this week.

Miller, who takes a long view on stocks and has low portfolio turnover, said there are still many unknowns about Google. Many companies start with great promise and then something goes awry and they disappear, he said.

Another topic at the bull session was whether Google’s users were “locked in” to its model, the way customers of Microsoft’s Windows operating system are, said John Miller, an economist at Carnegie Mellon University.
“Suppose you do have the best search engine. The big question is how sticky are the users,” he said.
In theory, customers could easily use a search engine other than Google, but Bill Miller said the fact that Google’s market share is stable suggests that a “psychological lock-in” driven by brand loyalty is keeping them coming back. (emphasis mine)

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