Just saw - Tesla sold most of their Bitcoin in Q2. This explains the sudden drop from 24k. We can speculate endlessly about the reasoning behind this, but I'm guessing part of it was to reduce risk for TSLA in the event Elon acquired Twitter. As market conditions worsened and analysts observed Microstrategy's extreme price decline, TSLA may have decided that holding Bitcoin on its balance sheet wasn't perceived as a "positive" but as a "risk."