Cryptocurrency market sentiment has flipped from fear to extreme greed in less than two weeks, according to CoinMarketCap's Fear & Greed Index. The swing has been driven by a sharp Bitcoin rally, a wave of forced liquidations of leveraged bearish positions, and renewed demand from U.S. exchange-traded funds.

📊 CoinMarketCap | Fear & Greed 📊

Sentiment just flipped to Extreme Greed at 81!

Here's the why: 🔹 Market cap up 23.8% in 7 days to $2.67T 🔹 $1.92B spot BTC ETF inflows 🔹 Open interest up 17.7% to $441B

See the full Fear & Greed dashboard here 👇 pic.twitter.com/HuxKEXRAPc

— CoinMarketCap (@CoinMarketCap) August 24, 2026

CoinMarketCap's Fear & Greed Index reached 81 on Aug. 24 and held that level the following day, marking the first time the gauge has entered “extreme greed” territory since late 2024. One week earlier, the index stood at 41, still signaling fear. A month ago, it read 36. Under CoinMarketCap's scale, any reading above 80 falls into the “extreme greed” category. Gauges of this kind compress a range of market inputs — price volatility, trading momentum, market dominance and social-media activity — into a single 0-to-100 score meant to capture how one-sided crowd positioning has become, and extreme readings are often treated as a contrarian caution flag, though the number itself says nothing about timing.

Alternative.me's separate index sat at 74 on Tuesday, also in greed territory but below its own extreme threshold. The two services use different inputs, which explains the gap between their readings.

Bitcoin Breaks Out and Shorts Get Squeezed

Bitcoin broke out of a trading range near $62,000 to $65,000 on Aug. 19. As the price pushed past $70,000, traders holding leveraged bearish positions were forced to buy back Bitcoin to close out their trades, adding further upward pressure. In leveraged markets, an exchange forcibly closes a position once losses eat through the trader's collateral — a liquidation — which is why sharp moves tend to feed on themselves.

The squeeze was substantial. CoinGlass data shows approximately $2.7 billion in bearish crypto positions were liquidated over 24 hours. Short trades made up about 92% of nearly $3 billion in total liquidations across more than 172,000 traders.

Bitcoin briefly hit an intraday high around $81,255 before easing to near $79,000 on Aug. 25. The move above $80,000 was the first since May, and it left the cryptocurrency up about 24% for the week.

The total cryptocurrency market value reached roughly $2.67 trillion on Aug. 24, up about 23.8% in seven days. Bitcoin held close to 60% of that total. The same dashboard showed open interest — the total value of outstanding derivatives contracts — climbing 17.7% over the week to about $441 billion, meaning the rally has been accompanied by a fresh build-up of leveraged positioning.

ETF Inflows Add Fuel to the Rally

U.S. spot Bitcoin ETFs recorded about $517 million in net inflows on Aug. 19 and roughly $606 million on Aug. 20, according to SoSoValue data. That brought more than $1.1 billion into the funds across the two sessions. Over the five trading days ending Aug. 21, the products attracted approximately $1.9 billion. Spot Ether ETFs added about $221 million on Aug. 20. The spot Bitcoin funds launched in January 2024 and let investors buy exposure to the cryptocurrency through ordinary brokerage accounts without holding coins directly; their daily net flows have since become one of the market's most closely watched demand signals.

Analysts said continued spot buying would be needed once the forced short covering runs out. Nicolai Søndergaard, senior research analyst at Nansen, said the price action showed an improvement in market structure but did not yet confirm a full market cycle turn. Lacie Zhang, research analyst at Bitget Wallet, said fresh spot demand would need to keep coming in order for Bitcoin to hold above $80,000.

Smaller tokens have also moved sharply. Dogecoin gained about 24% over the past week. The memecoin Thinking Cat rose 131% in seven days, Cash Cat climbed 113%, and Dog (Bitcoin) nearly doubled.

Historical Echoes and a Fed Speech Ahead

The current sentiment reading has a recent historical parallel. The last time the Alternative.me index sat near current levels was Oct. 5, 2025 — five days before a crash that wiped out roughly $19 billion in leveraged positions in a single session.

Federal Reserve Chair Kevin Warsh is scheduled to speak at Jackson Hole on Friday, with markets watching for signals on rates and inflation. The annual symposium hosted by the Federal Reserve Bank of Kansas City in Wyoming has often served as a venue for Fed chairs to telegraph policy direction. The markers analysts cite for the days ahead are already visible in the data: whether ETF inflows persist once short covering fades, whether open interest keeps climbing, and whether the sentiment gauge holds above 80.