Galaxy's head of research just spotted a signal that has correctly called the bottom in four of Bitcoin's last five bear markets, and the implications for where prices go from here are anything but straightforward.
Alex Thorn Says Bitcoin’s Low Is In. What Happened the Last Four Times?
Galaxy's head of research just spotted a signal that has correctly called the bottom in four of Bitcoin's last five bear markets, and the implications for where prices go from here are anything but straightforward.
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Sep 21, 2026 at 2:18 PM UTC · 4 min read

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bitcoin
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BTC+6.60%$85,975
Last Updated
6 minutes ago
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Alex Thorn, the head of research at Galaxy, shared insights on X after the weekly close on September 20. He noted that reclaiming the 50-week moving average usually signals that the bear market low has been reached. Bitcoin (CRYPTO:BTC) closed that week at $81,159, surpassing the moving average for the first time in 45 weeks. As of September 21, 2026, it is trading at $84,702, reflecting a 5.3% increase in just 24 hours but down about 3% year-to-date.
Thorn’s statement is more specific than it may seem. He isn’t predicting the Bitcoin price will rise from here; instead, he believes the $57,718 low from July 1 is unlikely to be broken. Historically, after four of the last five bear markets, the first weekly close above this moving average followed a low that held steady. So what happened in those four cases, and what could it mean for Bitcoin’s price today?
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Bitcoin
BTC
$85,896
+6.50% (24H)
Market Cap
$1.72T
24H Volume
$35.2B
24H High
$85,986
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