You can check out above graph to see how the market cap of Espers has changed over time. The market cap value depends on the value of Espers on that particular day and number of Espers in supply at that day.

How is Espers Market Cap calculated?

The Espers Market cap is calculated using a simple formula. You can find it below:

Espers Market Capitalization in USD = Number of ESP in supply X Price of one Espers in USD

Since the price of Espers is highly volatile you can see the market cap going up and down a lot. Sometimes price and market cap are not linear to each other due to increase in the supply of coins in the market and stable or decrease in the price of the coin. So you can say that it's not simple to predict the market cap of Espers or predict the price of Espers.