The rate of a 20 - dollar Amazon card today can vary depending on several factors. One of the main aspects is the current market trends. If there is high demand for Amazon cards, the rate might be more favorable for those looking to obtain or trade them.

Another factor influencing the rate is economic conditions. In a stable economic environment, the rate could be relatively consistent. However, during times of economic uncertainty, such as fluctuations in currency values or overall market instability, the rate of the 20 - dollar Amazon card might experience changes.
Moreover, the availability of Amazon cards in the market also plays a role. If there is an abundance of these cards being offered, the rate might be more competitive. On the contrary, if supply is limited, the rate could potentially be less attractive for those interested in obtaining or dealing with 20 - dollar Amazon cards today.