Thanks for the question!

We are currently connected to and are streaming data from 9 crypto exchanges:
 OKex (https://www.okex.com)
 Binance (https://www.binance.com)
 Huobi (https://www.huobi.com)
 Bitfinex (https://www.bitfinex.com)
 Bittrex (https://bittrex.com)
 HitBTC (https://hitbtc.com)
 Kraken (https://www.kraken.com)
 Poloniex (https://poloniex.com)
 Bitstamp (https://www.bitstamp.net)

The following list of sentiment data sources was formulated, the data from which is acquired and processed by Cryptoindex:
 Github
 Twitter
 Telegram
 Reddit
 Bitcointalk
 Google trends
 StackOverflow
 CoinMarketCap
 2000+ project sites
 Crypto news and information websites
 Mass media websites