The present invention is a method, system and investment product for allocating or structuring investment assets (such as marketable securities, bonds, mortgages, or other property interests, options or derivatives). The system, method or product enables selecting or grouping a number of individual financial instruments together into a portfolio (e.g., a fund or trust) and assigning weight coefficients to the selected financial instruments based upon a predetermined scale. After assigning the weight coefficients, the system or method purchases the selected instruments based on the allocated total purchase for each instrument (i.e., the total price of each instrument reflects is the price per unit.times.number of units, which correspond the predetermined weight coefficient). Then, the purchased individual financial instruments are allowed to fluctuate and perform for a predetermined time period (i.e., a number of years and months) without any further significant adjustments to the initial portfolio.