Here are all the times #BTC Fear and Greed Index hit 90 and above.
2019 only last a couple days.
2020/2021 lasted months in this range. 

Twitter

Today, when I opened Twitter, I almost became depressed.
Why are they all FUDing my valuable coins? It makes me shiver and my back goes cold. I look at my wallet again. Didn’t I lose money yesterday? Why did I lose money again today?
What's going on?
Why are all valuable coins falling? Here is some analysis compiled by Twitter KOLs.
BTCdayu: No one is willing to take over from each other? Because we can’t take over anymore!
"The bull market of Altcoin will not come? No, it has already come. Bitcoin is 64,000, with a market value of 1.2 trillion, accounting for 53%, and the scale of Altcoin is more than 1 trillion. In 20 years, Bitcoin is 11,000, with a market value of 258 billion, accounting for 58...

Why are all value coins falling? Do you think these reasons are correct?

OP +16%, STRK+15%, ARB+12%, ETHFI+17%, ENS+17%... How long has it been since you experienced this kind of collective surge in the Ethereum ecosystem?
ETH performed quite well today, with a daily increase of more than 5%, breaking through $3,300, while driving the collective rise of the ecosystem. In comparison, Bitcoin's increase was only about 1.5%, but at least Bitcoin did not "sing a different tune" this time.
Is Altcoin really coming?
There has been talk of an Altcoin season for a while now, and every time it’s about to start…