With trades also nor happening nearly as often as they once were, Hockey Insider Eric Macramalla would reveal some stats to why this is happening.
1) 12 NHL Teams have no cap space
2) 17 Teams have players on LTIR
3) 27 Teams have less then $3M in cap space
4) Many teams want to make trades but can't because of no cap space
5) Player movement is great for the game and generates interest
Time for more flexible approach to the cap. - Brain Macramalla