as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
assessing the value of an etf
user
you can follow the intra-day nav of an etf, for instance spy, by viewing its .iv (intra-day value) ticker which tracks it's value.   http://finance.yahoo.com/q?s=spy http://finance.yahoo.com/q?s=^spy-iv otherwise, each etf provider will update their nav after business each day on their own website. https://www.spdrs.com/product/fund.seam?ticker=spy
assistant