Bitcoin's bottomBitcoin all time history indexINDEX:BTCUSDOptions360Bitcoin's bottom Bitcoin's estimated bear market bottom can be extrapolated from price action history, by using the date and price range tool: 2018 high to bear market cycle low took 364 days and it went down minus 84.22 percent. 2021 high to bear market cycle low took 378 days and it went down minus 77.57 percent. October 2025 high to swing low went down minus 36.13 percent. January 2026 high to swing low went down minus 38.59 percent. A reasonable calculation to get a general estimate of future price action: 51,875 swing low from May 2026 high. 36,700 bear market bottom is on or before October 12th 2026.