On January 21, Bitcoin's Relative Strength Index (RSI) compared to gold fell below 30, marking an extreme oversold condition that has occurred four times historically. According to BlockBeats, these instances were recorded in 2015, 2018, 2022, and 2025, each leading to a strong rebound for Bitcoin.
In 2015, during the end of a bear market, Bitcoin's RSI relative to gold dropped below 30, which preceded the 2016-2017 bull market. In 2018, amidst a bear market, Bitcoin fell over 40% while gold rose nearly 6%. After the RSI fell below 30, Bitcoin rebounded from its 2020 low, surging over 770%.
In the 2022 bear market, Bitcoin declined nearly 60%. Following the RSI drop below 30, Bitcoin once again outperformed gold in its rebound. At the end of 2025, this historical oversold signal was witnessed for the fourth time, with gold surging 64% in 2025 and rising another 10% in the first 20 days of this year, while Bitcoin's RSI relative to gold entered the oversold range again.


