Market sentiment

Sentiment describes whether participants feel optimistic or fearful, regardless of fundamentals. In crypto it is measured from several angles: derivatives data such as funding rates, the long/short ratio and options skew; social metrics such as mention volume, positive versus negative posts and search interest; flows into ETFs and exchanges; and composite gauges like the crypto fear and greed index.

Sentiment matters because crypto prices are driven heavily by retail participation and leverage, which amplify emotional swings. Extreme readings are often used in a contrarian way: euphoria, with high funding and soaring social activity, tends to appear near local tops, while widespread fear and negative funding tend to appear near bottoms.

Sentiment indicators describe mood; they do not time it. Markets can stay euphoric or fearful for long periods, social data can be inflated by bots and paid promotion, and different measures often disagree. They are most useful as context alongside price and on-chain data.