Another bottom signal! $BTC Bitcoin's Sharpe ratio fell below 0! 1️⃣ In 2019, after the Sharpe ratio hit bottom, Bitcoin rose about 35% over 6 months, marking the end of the bear market reversal. 2️⃣ During the panic of the pandemic in 2020, after the Sharpe ratio turned negative, Bitcoin surged 130% over 6 months, entering the main bullish wave. 3️⃣ In 2022, when FTX collapsed, the Sharpe ratio fell below 0, and Bitcoin subsequently rebounded about 87% over 6 months, forming a structural bottom. 4️⃣ Historical patterns show: a Sharpe ratio falling below 0 often corresponds to a medium to long-term strong reversal in the range of 20%–120% before the cycle, rather than at the top.