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What kind of technical analysis and indicators available for mutual fund navs
A general mutual fund's exact holdings are not known on a day-to-day basis, and so technical tools must work with inexact data. Furthermore, the mutual fund shares' NAV depends on lots of different shares that it holds, and the  results of the kinds of analyses that one can do for a single stock must be commingled to produce something analogous for the fund's NAV. In other words, there is plenty of shooting in the dark going on. That being said, there are plenty of  people who claim to do such analyses and will gladly sell you their results (actually, Buy, Hold, Sell recommendations) for whole fund families (e.g. Vanguard) in the form of a monthly or weekly Newsletter delivered by US Mail (in the old days) or electronically (nowadays). Some people who subscribe to such newsletters swear by them, while others swear at them and don't renew their subscriptions; YMMV.