The charts below for Bitcoin, Ethereum, Ripple, and more are generated live from Tech Trader, a fully autonomous trading system 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 but less immediate of a bounce. MA crosses are just that - whenever the moving averages cross; nothing intelligent but for some reason works often in crypto.
Other tools you may find useful are the Cryptocurrency Screener for screening unusual volume and Options Comparer for Bitcoin options on LedgerX.
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(Note: MA Crosses only notify on BTC due to frequency.)
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: