DeltaShift

The effectiveness of the option strategy depends on a general imbalance of natural buyers over natural sellers of index options. This imbalance could decrease or be eliminated, which could have an adverse effect. A decision as to whether, when, and how to use options involves the exercise of skill and judgment, and even a well-conceived and -executed options programs may be adversely affected by market behavior or unexpected events. Successful options strategies may require the anticipation of future movements in securities prices, interest rates, and other economic factors. No assurances can be given that the judgment of Parametric in this respect will be correct. 

Options are not suitable for all investors and carry additional risks. Investors must ensure that they have read and understood the current options risk disclosure document before entering into any options transactions. In addition, investors should consult with a tax, legal, or financial advisor prior to contemplating any derivative transactions. The options risk disclosure document can be accessed here: http://www.optionsclearing.com/about/publications/character-risks.jsp.