Let's learn from history and try to guess the bottom and bottom price of this bear market.

On December 17, 2017, BTC rose to 19,798 points, reaching the highest point at that time.
On December 15, 2018, BTC fell to 3,156 points, reaching the lowest point at that time.
This bear market lasted 363 days, with a total decline of 84.05%.
On November 10, 2021, BTC rose to 69,000, reaching the highest point at that time.
This bull market lasted 1,061 days, with ups and downs in the middle, but ultimately successfully reached the historical peak of 69,000, with a total increase of 2,086%.
On November 21, 2022, BTC fell to 15,476 points, reaching the lowest point at that time.
This bear market lasted 376 days, with a total decline of 77.57%.
On October 6, 2025, BTC rose to 126,199 points, reaching the highest point at that time.
This bull market lasted 1,050 days, with ups and downs in the middle, but ultimately successfully reached the historical peak of 69,000, with a total increase of 715%.
In summary, Bitcoin's bull and bear markets exhibit strong cyclicality, with long bull markets and short bear markets. The depth of bear market declines gradually decreases, and the gains during bull markets gradually diminish. Assuming the lowest point of this bear market is reached after 365 days, the rough estimate of the decline depth is 72%.
Therefore, this bear market is expected to bottom around October 6, 2026, with an approximate bottom price of 126,199 × 0.28 = 35,335.72.