John Bollinger, the inventor of Bollinger Bands and a figure whose occasional crypto market calls carry outsized weight, says Ethereum and Solana are tracing potential “W” bottoms—while Bitcoin is not. In a post on X on October 18, Bollinger wrote: “Potential ‘W’ bottoms in Bollinger Band terms in ETHUSD and SOLUSD, but not in BTCUSD. […]