The Yieldmax Coin Option Income Strategy ETF (CONY) closed down 0.82% at $15.81 on December 17, as Coinbase Global, Inc. (COIN), a key component, saw its stock price fall by 0.84% to $312.65. The decline in Coinbase's stock is largely attributed to a lawsuit filed by BiT Global Digital Limited, accusing Coinbase of anti-competitive behavior following the delisting of wBTC. This legal challenge has raised concerns about Coinbase's business practices and market competition. Additionally, the broader market environment is exerting downward pressure, with major indices like the Dow Jones Industrial Average and the S&P 500 experiencing declines due to rising bond yields and anticipation of the Federal Reserve's interest-rate decision. Despite the lack of specific news influencing today's stock movement, discussions on Reddit highlight persistent interest in Coinbase's trading dynamics and user frustrations with customer service.