The Guggenheim Insider Sentiment ETF (NFO) -- which is based on the Sabrient Insider Sentiment Index --  has beat the market since its  inception in 2006.  This article from TheStreet.com (originally published at Insider Monkey) tells you why . . .

After selling into year-end market strength to close out the year, net weekly net insider trading transactions (the number of individual buyers minus sellers) has finished January on a slightly positive note, as many insiders appear to have taken advantage of the market weakness to increase their net holdings.

Last month, I posted that net insider trading transactions had turned positive for the first time since May. Updating this for the week ending November 27, it appears that optimistic insiders again outnumber pessimistic ones.

Sabrient's research team posts a wide variety of useful data for internal reference, and much of it is used within our quantitative models and client deliverables. One of the things that we track is Net Insider Transactions.