that were purchased for about $4 billion. That represents 0.62% of all Bitcoin outstanding. MicroStrategy reported in its Q3 earnings that its impairment charges were only $727,000 compared to $917.8 million during the second quarter and $65 million a year ago, which was attributed to stable Bitcoin prices. However, if the falling prices in the last few days are sustained, the company could record substantial impairment charges for the fourth quarter. On top of that, MicroStrategy noted that its "low-water" mark for Bitcoin is around $17,600.