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CryptoTrendAlert can monitor cryptocurrencies on all major exchanges as well as prices from CoinMarketCap. There are several different types of alerts. As a trader, you can for instance receive an alert if the Bitcoin price surpasses $10,000 or if a cryptocurrency at Bittrex increases in value by more than 10% over 20 minutes. There are pushover and email notifications.
CryptoTrendAlertBitcoin and altcoin cryptocurrency monitoring tool