I think its just Cambell's business model to be more like a mutual fund--- but I am just guessing. Not sure about Dunn, but, personally, I would avoid this path-- here's an ETF that follows CTA's http://www.morningstar.co.uk/uk/news/69380/innovative-etps-examining-the-cta-etf-from-rbs.aspx http://www.bloomberg.com/news/artic...s-lose-89-percent-of-gains-from-futures-funds