Crypto Fear and Greed Index hits 81 as Bitcoin rallies 22%

The Crypto Fear and Greed Index entered extreme greed territory for the first time in 616 days, climbing 45 points in 30 days as Bitcoin rose past $78,000.

Bitcoin rose 22 percent in seven days to $78,241, pushing the Fear and Greed Index to 81 — its first extreme greed reading since December 2024.

CoinMarketCap data shows the index climbed from 36 a month ago and 41 a week ago, a 45-point swing that erased nearly all the caution that defined the first half of 2026. The gauge bottomed at 5 on Feb. 5, deep in extreme fear, making this the fastest sentiment shift between two extremes since CoinMarketCap began tracking the index.

The sentiment flip tracks a Bitcoin run that has outpaced the broader market. Bitcoin gained roughly 24 percent in a week while the broader crypto market grew by less, with Bitcoin's share of total market cap rising. The breakout traces to last Wednesday, when the U.S. Treasury said it would double its long-bond buybacks from $2 billion to $4 billion per operation starting Sept. 9, weakening the dollar and pushing investors toward Bitcoin as an inflation hedge. As Bitcoin broke $70,000, a short squeeze liquidated more than $4 billion in crypto shorts over two to three days. Bitcoin ETFs logged their biggest single day of inflows since May, and Ethereum and Bitcoin ETFs together pulled in roughly $2.3 billion in assets.

The extreme greed reading historically precedes short-term corrections as markets become overheated. Alternative.me's longer-running methodology still places the index in "greed" mode, 6 percent below the extreme threshold, but the momentum is consistent with the 2021 cycle when sentiment swung from capitulation to euphoria within months.

Five Inputs Behind the 81 Reading

CoinMarketCap's fear and greed index is a composite derived from price movements of the top 10 cryptocurrencies by market capitalization, market volatility, derivatives data such as the put/call ratio, the stablecoin supply ratio, and CoinMarketCap's own search data. The put/call ratio measures the volume of put options relative to call options, with a lower ratio indicating more call buying and bullish sentiment. The stablecoin supply ratio compares Bitcoin's market cap to the total stablecoin market cap, providing insight into potential buying power available in the market.

Extreme Greed Has Preceded Pullbacks Before

For traders, extreme greed readings can serve as a contrarian signal. While the index does not predict price movements, it highlights when sentiment is stretched. Historically, periods of extreme greed have often been followed by consolidation or pullbacks as profit-taking increases and new buyers become scarce. Conversely, extreme fear readings have sometimes marked local bottoms, offering buying opportunities.

The current reading suggests the market is pricing in continued optimism, but it also raises the risk of sudden sentiment shifts. Investors should combine the index with other technical and fundamental analysis rather than relying on it as a standalone signal. Bitcoin's next test sits near $80,000, a level that could attract profit-taking if the rally extends without consolidation.

This article is for informational purposes only and does not constitute investment advice.