The charts below for Bitcoin, Ethereum, Ripple, and more are generated live from Tech Trader, a fully autonomous program trading without human intervention and originally for the stock market. "Bot" labels signal potential bottoms based on volume capitulation. Those on the 30-min chart are more short-term while those on the daily chart are extremely rare and usually longer-term.
You may also find pftq's Cryptocurrency Screener useful for finding what's trading at unusual volumes relative to marketcap.
Follow on Twitter for notifications at @TechTraderBTC.
For U.S. stocks and ETFs, check out Stocks on Tech Trader.
If you find the work here useful, donations are welcome to help cover server/data costs: