[gpt3] a new article in English that is SEO-optimized and incorporates as many relevant keywords as possible. The article should be based on the information provided in the existing post content. Additionally, please include a dedicated FAQ section and a conclusion section to enhance the reader's experience
“If the ETF doesn't get approved, I anticipate it would be a significant letdown for the market," said Martin Leinweber, a product strategist at MarketVector Indexes. "The spot Bitcoin ETF is often viewed as a hallmark of institutional acceptance and integration into mainstream financial systems."