Bitcoin $BTC has recorded its first three-week winning streak since February. Dealers saw a surge in buying of call options with strike prices of $75,000 and above, as well as selling of put options, according to Amberdata. Bitcoin (BTC) has recorded its first three-week winning streak since February, according to TradingView. The rally was characterized by traders buying call options, offering asymmetric upside above $75,000. The leading cryptocurrency by market value has gained more than 3% in the seven days to September 29, surpassing the 7% price gains seen in each of the previous two weeks. China’s major stimulus announcement and an influx of funds into U.S.-listed spot ETFs equivalent to more than a month’s supply of newly mined BTC likely helped the cryptocurrency maintain its upward trajectory.