These signals are based on a Harloff Inc. proprietary mathematical model. Early application of the model to the SP500 index is documented here. The system was developed in 1998 and examples of hypothetical trading the SP500 without and with leverage is provided here.
Leverage is noted here as beta.
Beta is explained below. High and low beta funds were pioneered by the Rydex mutual fund family. A money market fund has a beta of about zero. High beta funds up to 2.0 now exist. Examples provided below use NOVA, SP500, URSA, and Money Market as investment vehicles which have beta of 1.5, 1.0, -1.0, and 0.0 respectively.