The average daily trading volume in agency MBS totaled $219.3 billion in July, the best reading in 18 months, according to the Securities Industry and Financial Markets Association. However, the sequential improvement was a mere 3.30 percent. Then again, any gain is better than none. For all of 2016, the worst reading came in March at $189.4 billion. The strong showing (relatively speaking) comes as the primary market has produced a better-than-expected $890 billion for the first six months of 2016. Some industry executives believe loan originations could top $2 trillion this year, which would increase the supply of outstanding MBS. For the past few years there has been a debate in the industry about the significance of lower trading ...