Home/Crypto myths/Buy when there's extreme fear
Crypto myth, checked

“Buy when there's extreme fear”

Bitcoin does well after the Fear & Greed index drops below 20.

Too few cases to tell

This has happened 67 times on Bitcoin since 2017-08-17. 30 days later it was higher 50% of the time (n=28), against 55% after any day; median -0.2% vs +1.8%. That is within what luck produces.

Higher 30d later
50%
Any day
55%
Median after
-0.2%
Cases
28
Date7 days later30 days later
2026-06-24-1.7%+5.0%
2026-06-18-5.0%+3.0%
2026-06-03-4.1%-2.4%
2026-03-20-5.8%+4.7%
2026-03-06+4.1%+1.4%
2026-02-01-8.6%-11.2%
2026-01-30-16.2%-21.9%
2025-12-15+2.5%+12.2%
2025-11-26+3.3%-3.4%
2025-11-13-13.1%-9.5%
2025-04-09+1.7%+24.6%
2025-03-04-5.0%-4.7%
2025-02-27+6.2%-2.4%
2024-08-06+8.2%+0.3%
2022-07-12+21.1%+23.8%
2022-05-08-8.0%-8.6%
2022-01-21+3.5%+5.3%
2022-01-06-1.2%-4.0%
2021-12-11-5.2%-15.3%
2021-12-05+1.3%-7.2%
2021-07-20+32.5%+57.0%
2021-07-17+8.7%+45.6%
2021-06-22+10.5%-0.7%
2021-06-06+9.0%-4.4%
2021-05-29+2.6%-0.3%
2021-05-20-4.9%-12.4%
2020-04-10+2.5%+27.2%
2020-03-09-36.6%-7.2%
2019-12-18-1.0%+22.5%
2019-11-25+2.6%+1.3%

How this was checked. Every occurrence on Bitcoin's daily chart, measured from that day's close, non-overlapping per horizon, against all days (z beyond ±2.5 to count).

Run the same question on any coin in the Event Explorer.

Share

More myths

“October is Bitcoin's best month (Uptober)”
Too few cases to tell
“Crypto has a Santa rally in December”
Too few cases to tell
“Sell in May and go away”
Too few cases to tell
“Crypto is quieter on weekends”
Supported by the data
“Some days of the week are better for Bitcoin”
Not supported by the data
“A death cross means more downside”
Too few cases to tell

Recomputed nightly from Binance daily closes. History describes the past; it is not a forecast or advice.