iM-Best Rotation System


The iM-Best1(Sector SPDR) Rotation System is a model that periodically selects only one of the nine Select Sector SPDR® ETFs that divide the S&P500 into 9 sectors. During adverse market conditions it switches to SH, the ProShares Short S&P500 ETF, or partly to cash. Using a web-based trading simulation platform, our ranking system, and specific buy and sell rules, this model would have produced an average annualized return of about 31.4% from January 2000 to end of September 2013, versus 2.9% for a buy-and-hold investment of SPY over the same period. Had one not invested in SH but switched only to cash, then the average annualized return would have been about 20.7%.

iM-Best Systems

Quick Comparison

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Quick Links to Model Descriptions

R2G & iM(Silver) iM-Best10(S&P 1500): A Portfolio Management System for High Returns from the S&P 1500

R2G iM-Best9(Russell 1000) – Large-Cap Portfolio Management System

R2G iM-Best8+ Portfolio Management System

R2G iM-Best8(S&P500 Min-Volatility) Large-Cap Portfolio Management System With S&P 500 Minimum Volatility Stocks

iM(Gold) iM’s Best12(USMV)-Trader Minimum Volatility Stocks

iM(Gold) iM’s Best12(USMV)Q1..4-Investor Minimum Volatility Stocks (The Q3 model available to Silver)

iM(Silver) iM-Best10(VDIGX) Trading the Dividend Growth Stocks VDIGX

R2G & iM(Silver) iM-Best(SPY-SH) Market Timing System: Gains for Up and Down Markets

R2G & iM(Gold) iM-Best1(Sector SPDR) Rotation System

R2G & iM(Gold) iM-Best(SSO-TLT) Switching System

iM(Gold) iM-Best Combo3: Best(SPY-SH) + Best1(Sector SPDR) + Best(SSO-TLT)

iM-Best(SPY-Cash) Market Timing System

iM-Best(SSO-SDS): Beating the Market with Leveraged ETFs

Survivorship Bias: neither Myth nor Fact

Quick Links to Ready-2-Go Models


Best9(Russell 1000)


Best8(S&P500 Min-Volatility)

Best(SPY-SH) Gains for Up & Down Markets

Best1(Sector SPDR)*


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Disclaimer: The opinions in this document are for informational and educational purposes only and are obtained from a mathematical algorithm and should not be construed as a recommendation to buy or sell the stocks mentioned. Past performance of the companies may not continue and the companies’ stock values may decline. The information in this document is believed to be accurate and represents the output of a mathematical algorithm, and under no circumstances should a person act upon the information contained within. We do not recommend that anyone act upon any investment information without first consulting an investment advisor as to the suitability of such investments for his specific situation. Also see our Terms of Use/Disclaimer.

One comment on “iM-Best Rotation System
  1. perreycl says:

    Why did your model go short on the SPY on Oct. 20 2014 and stay that way till now Dec. 5th???

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