What ETF has 12% yield?

Could you elaborate on which specific Exchange-Traded Fund (ETF) is currently offering a yield of 12%? It's noteworthy that such a high yield is uncommon in traditional ETFs, as they typically offer more modest returns compared to other investment vehicles. However, there might be certain niche ETFs focused on specific sectors or strategies that could potentially achieve such returns. Is this ETF a mainstream product or a more specialized offering? Additionally, it's crucial to understand the risks associated with such a high yield, as they are often correlated with increased volatility and potential for capital loss. What factors should investors consider before investing in an ETF with a 12% yield?