The value of your VyvoEvo is determined by the market price at the time you are willing to trade it. The market price is driven by what people are willing to pay for VyvoEvo on ERC 20 exchange platforms that list VyvoEvo e.g. the Odee Exchange, see here.
These FAQs are designed to address Vyvo related VyvoEvo questions only. If you have questions relating to other general topics such as ERC 20 tokens, Ethereum, Gas, Smart Contracts, Fiat money, cryptocurrencies, then we suggest that you do your research and seek out an expert in those fields that is willing to provide you independent advice.