One of the most difficult elements of investing is to know when to get in and out of specific markets. However, a buy and hold strategy has never been optimal, and even less so in recent years. Thus, two key questions have to be answered: How can one avoid a major downturn and improve performance? And how can one ensure that, to the greatest possible extent, one is optimally invested in the best asset classes? One way of doing this is to restrict oneself to stocks and bonds and use a proven and effective strategy known as the "best of two."

SEE: 3 Ways To Increase Your Investment Performance

How the Strategy Works
The basic idea is to use past trends to determine a sound investment balance for the future. However, this does not mean trying to predict the future from the past. Indeed, it is just the opposite. The allocation to stocks and bonds works according to fixed mathematical rules and criteria without "active management" in the usual sense. There is no stock picking, with the stocks and bonds being held in the form of index investments such as exchanged-traded funds. Given the dangers of stock picking and of trying to predict the markets, this is a sound basis for a strategy.

At the start of each calendar year, there is a 50/50 allocation which is reviewed monthly and adjusted as necessary. The aim is to systematically overweight the better performing asset class and vice versa. If the stocks are performing badly, they will be underweighted and bonds overweighted. Of particular importance is the fact that within a given year, the allocation to one of the classes can rise to 100% or fall to zero. The portfolio is always fully invested, such that the stock and bond proportions total 100% at any point in time.

More on the Mechanics
Option price theory is used to calculate how to allocate the funds to the two asset classes. Because no suitable and standardized options are available and OTC ones have some serious disadvantages, a replication is used. This enables an investment in the two asset classes in the right proportions. Monte Carlo simulations have also indicated that a monthly adjustment is sufficient. The full details are too complex to be explained here.

SEE: Cut Down Option Risk With Covered Calls

Who Should Go for the Best of Two?
The strategy is ideal for people who like the idea of relying on a fixed formula, says Dr. Ulrich Stephan, the chief investment strategist of the Deutsche Bank in Germany. Naturally, the strategy won't perform as well as a pure equity investment in a bull market, but in a bear market, there is a fair amount of protection. Furthermore, the strategy generally works better over time than a rigid equity-bond allocation. Also, it is straightforward in that it just has stocks and bonds, both of which work in terms of indexes. So it is appealing for those who like simplicity.

From a time perspective, at least five years is recommended, so that the strategy can maximize its potential over various market phases.

The Risks
The strategy is certainly not risk-free, particularly if both asset classes do badly at the same time. However, there is nothing to stop investors from having other investments too (above and beyond the best of two), such as real estate or infrastructure. Additionally, the best of two can be global; it does not have to focus only on the United States or Germany, for instance.

SEE: Straddle Strategy A Simple Approach To Market Neutral

The Results
Hubert Dichtl and Christian Schlenger, from the German consulting company Alpha Portfolio Advisors, evaluated the performance of the strategy over a 30-year period and found that it beat the equity markets over time and considerably reduced volatility. Furthermore, the performance beats a constant 50/50 allocation between stocks and bonds. It is thus a better bet than mixed funds working with such fixed proportions.

The best of two clearly enables a sustainable participation in positive stock market developments, and provides good protection against major declines and crashes. It should be noted that the strategy has more of a total return than an absolute return character through the blend of stocks and bonds with an index basis.

Using the Strategy for Institutional Investments
Given the proven performance potential and the high level of flexibility of the best of two strategy, it is well suited to managing funds. For example, it could be used to switch between a Dow Jones tracker and the Merrill Lynch Domestic Master. This facilitates a systematic and professional stock/bond exposure over time. The right integration of strategic and dynamic asset allocation can be achieved, and that is no mean feat.

The Bottom Line
The best of two method facilitates a retrospective switching between two asset classes, namely stocks and bonds. The application of derivatives in the form of exchange option enables one to avoid poorly performing markets and to be there for the good times. It does not achieve this with complete perfection or in all situations, but it does a fine job over time. Who could ask for more than that?

SEE: MACD And Stochastic: A Double-Cross Strategy

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