The Nasdaq-tracking ETF $QQQ has experienced its longest losing streak in 2025, trading lower for six consecutive days as of August 21, marking the longest such streak since October 2022. Over the last seven sessions, $QQQ has declined approximately 1.5%. Meanwhile, broader market sentiment reflects concerns about September's historical performance, with the S&P 500 averaging a 4.2% decline in the month over the past five years and falling in four of those years. Bitcoin ($BTC) also faces seasonal headwinds; September has historically been its worst month, averaging a 4.7% loss. Despite this, Bitcoin's long-term performance remains strong, with the probability of holding it at a loss decreasing significantly over longer time horizons. Historically, Bitcoin's best months are April, November, and October, with average gains of 32.9%, 38.5%, and 27.3%, respectively.