According to @santimentfeed, spikes in social media mentions of "higher/above" or "lower/below" around Bitcoin (BTC) and Ethereum (ETH) mark crowd expectation extremes that often precede opposite price moves, with upside expectations followed by declines and downside expectations followed by climbs; source: Santiment X post (Dec 19, 2025): https://twitter.com/santimentfeed/status/2002148173704212878. Santiment advises monitoring BTC and ETH Greed & Fear dashboards to time swing and long-term entries when these sentiment extremes appear; source: Santiment BTC dashboard: https://app.santiment.net/s/amHtlkWI?utm_source=x&utm_medium=post&utm_campaign=x_btc_higher_vs_lower_b_121925/&fpr=twitter and Santiment ETH dashboard: https://app.santiment.net/s/WvDNXLAy?utm_source=x&utm_medium=post&utm_campaign=x_eth_higher_vs_lower_b_121925/&fpr=twitter. For trading, elevated "higher/above" mentions can signal short-term downside risk and elevated "lower/below" mentions can signal potential upside risk in BTC/ETH as a contrarian setup; source: Santiment X post: https://twitter.com/santimentfeed/status/2002148173704212878.