You've heard the chattering, you've read the headlines, and now you can get a closer look at just how much some of the commodity markets have fallen in 2015. As a reminder, this is only looking at a couple of the thousands of futures markets out there. Here's our monthly look at: 1. How the numerous commodity ETFs which have sprung onto the scene the past few years are tracking a simple strategy of just buying the December futures market of that commodity, under the theory that the ETF will have to roll their positions periodically throughout the year, and in doing so take on costs the simple strategy does not have. 2. How the passive investment strategy of being long commodities (either via futures or ETFs) compare to an active strategy going both long... More