Sentiment describes whether discussion skews bullish, bearish, or mixed.
Sentiment tools mine social text; they can be wrong, lagged, or bot-polluted.
In research workflows, Market sentiment is usually interpreted with Fear and Greed Index, FUD, FOMO, and Social volume rather than as a standalone signal. Acceleration often matters more than absolute mention counts. Loud but fading hype is a different setup from quiet but rising chatter.