According to Ki Young Ju, Bitcoin's current cost basis is approximately $95,000, with ETFs and custody wallets holding at $89,000, Binance traders at $59,000, and mining companies at $57,000. Historically, falling below the mining companies' cost basis, as occurred in May 2022, March 2020, and November 2018, has confirmed bear markets. The old whales' cost basis remains a significant support at $25,000, which has never been breached historically.