Adaptive Asset Allocation (NYSEARCA:AAA) holds an alluring prospect for tactical investors: a nimble portfolio with a risk-adjusted return than beats the benchmarks. By combining two different tactical approaches (momentum and minimum variance) into one algorithm, the adaptive approach builds a portfolio that responds to market conditions with the promise of lower risk.
But does Adaptive Allocation really work? To answer this, lets first understand the analytical basis for this approach, and then we can dive into the results and risk-adjusted returns.
The analytical basis for the Adaptive Asset Allocation Portfolio
In 2012, Macquarie Private Wealth published a paper entitled Adaptive asset allocation: A primer using data through May 8, 2012. This paper described a few possible implementations of the methodology. David Varadi then discussed the robustness of this algorithm on his blog, CSSA: New Concepts in Quantitative Research.
In August 2012, Michael Kapler posted his own implementation of Adaptive Asset Allocation on the Systematic Investor Blog. Kapler used the R programming language to implement a version of the AAA algorithm that used 10 asset class ETFs and was rebalanced monthly.
Whats the methodology?
The adaptive asset allocation algorithm (or portfolio recipe) uses two distinct mechanisms to choose assets and percentage allocations for the portfolio.
- Momentum. This is defined by the total return over the past 180 trading days.
- Minimum variance. According to the Macquarie paper, The minimum variance algorithm takes into account the volatility and correlations between the Top 5 assets to create the momentum portfolio with the lowest expected portfolio level volatility. This mechanism uses volatility to choose the asset allocation each month, as defined by the standard deviation over the past 20 trading days.
Whats the monthly update process?
Lets look in more detail at the step-by-step process for how the algorithm selects the investable assets each month.
- Choose the asset universe. This is the set of assets that we will choose from to create the portfolio. Kaplers version of the Adaptive Asset Allocation Portfolio used 10 exchange-traded funds representing global asset classes (SPY, EFA, EWJ, EEM, IYR, RWX, IEF, TLT, DBC, GLD). We have simplified this and our analysis uses a set of nine global asset classes (SPY, EFA, EEM, QQQ, DBC, GLD, TLT, IWM, IYR).
- Calculate total return (including dividends) for each ETF in the asset universe over the past 180 trading days. Then rank the ETFs from highest to lowest return.
- Choose the top five ETFs based on their total return over the past 180 trading days. The five chosen ETFs will be the ingredients for the portfolio, but the percentage allocation to each ETF is not yet defined.
- For each of the five chosen ETFs in this portfolio recipe, apply a volatility metric to determine how much of each ETF to buy. Each ETF will receive a percentage weighting, and the sum of the weightings will be 100%. The percentage weightings are calculated such that the portfolios volatility is minimized. This is done using a minimum variance algorithm that uses standard deviation with a look-back period of 20 trading days.
- At the end of each month, re-run the algorithm to create a new list of the top five ETFs and the percentage allocation to each. Then rebalance the portfolio holdings to match the percentages from the updated portfolio recipe.
This portfolio recipe uses monthly rebalancing, which makes it viable as a tactical, do-it-yourself recipe which can be used by individual investors or financial advisors.
The Results: how has the portfolio performed?
We have been tracking variations of the Adaptive Asset Allocation Portfolio since 2014 at recipeinvesting.com. Our backtests extend back to 2003. The particular variation discussed here is shown on recipeinvesting.com as portfolio t.aaaf
Over the past 12 months (ending October 31, 2016) the portfolios total return is 9.2%. Over the past five years, the portfolio has a total return of 12.9% versus the S&P 500s total return of 5.9%. A balanced portfolio of 60% equities and 40% bonds has returned 7.0% over the past five years.
Exhibit A (below) shows the normalized return of the Adaptive Allocation Portfolio against benchmarks for the past five years. The Adaptive Allocation Portfolio (t.aaaf, in yellow) keeps pace with the S&P 500. We have used an ETF (NYSEARCA:SPY) as a proxy for the S&P 500.
Exhibit A: 5-year total return vs. key benchmarks
Exhibit B: Risk (horizontal axis) vs. return (vertical axis)
We can also look at standard deviation as a measure of volatility. Using this metric, we can see in Exhibit C (below) that the AAA portfolio (in the row labeled t.aaaf) has consistently shown a lower standard deviation than SPY over all time periods. The Peer Group average is the group of tactical, do-it-yourself portfolios tracked by VizMetrics at www.recipeinvesting.com
Exhibit C: Volatility, as measured by Standard Deviation (data through October 31, 2016)
Exhibit D (below) shows the historical return percentages of the Adaptive Asset Allocation recipe (t.aaaf) along with its peers from 2011 to 2015. t.aaaf has lagged SPY in three of the past five years, but t.aaafs outperformance in 2011 was notable, when it beat SPY by 19.6% that year.
Exhibit D: Historical annual returns
Kaplers Adaptive Asset Allocation methodology showed solid results when he first published in 2012, and we have been able to produce similar results using recent data and a modified set of ETFs -- we use a nine ETFs and Kapler used ten. Our backtested version of the AAA portfolio (t.aaaf) has generated a return of 14.8% over the past 10 years, with less risk than the S&P 500 (using SPY as a proxy). We will continue to track the performance of Adaptive Asset Allocation Portfolio (t.aaaf) at www.recipeinvesting.com.
Disclosure: I am/we are long EFA, IWM, GLD, TLT, QQQ, SPY, EEM. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it. I have no business relationship with any company whose stock is mentioned in this article.
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