What Is A Flexible Premium Deferred Fixed Index Annuity? 
A Flexible Premium Deferred Fixed Index Annuity means you can add funds to it throughout the contract . Deferred refers to the tax deferral annuities have . Fixed Indexed refers to the crediting strategy meaning it credits growth from one of the indexes in the stock market . The S&P 500 is the most common . Thank you for your question . Let me know if you have any further questions as there are many designs to these type of annuities . 