I'm unable to find a specific ticker symbol and/or market

• What markets do you support?
• What's the difference between FXCM, OANDA, Forex.com and ICE?
• Where do I find crypto market capitalization?
• I can't find a symbol in the symbol search box
• Why might my US stock data look incorrect?
• I can't find Indian futures and options (NSE, MCX)
• What's the difference between 1! and 2! continuous futures?
• What's the difference between TOTAL, TOTAL2 and OTHERS crypto market symbols?
• How is the BTC Index being calculated?