Main providers are:
How often does price data get updated?
It varies based on the provider. On average every 5-10 minutes.
How to add a new market provider?
If you would like to add a market data provider, feel free to open pull requests on Watchmarket service.
Why does my token have no value?
Starting March 2020, the app will only show the price of tokens with a minimum trading volume of at least $5,000 USD and a Market Cap of $5,000 USD or higher.
This is applicable only for tokens that is showing on Coingecko.
This is still subject to change if deemed necessary.
You can see current minimal volume setting here
If the price information about the coin or token is available at CoinMarketCap, please let us know.
Additional Information: Why Does my Token Have No Value?