Crypto Fear and Greed Index Slides to 18, Marking a Return to Extreme Fear in 2026

On-chain sentiment data show the Crypto Fear and Greed Index has dropped back to 18, indicating extreme fear after briefly touching 25 on Wednesday. The gauge had recorded 20 on Friday and previously hit a yearly low of 5 in February during a broad market slump that followed the October 2025 crash. Altcoins have been hit hardest, with 38% sitting near all-time lows and trading volumes down around 50% alongside falling social media interest.